UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☒ Quarterly Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ended ~~March 31,~~September 30, 2022 or

☐ Transition Report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Commission File Number 0-53713

OTTER TAIL CORPORATION

(Exact name of registrant as specified in its charter)


Minnesota (State or other jurisdiction of incorporation or organization)			27-0383995 (I.R.S. Employer Identification No.)

215 South Cascade Street, Box 496, Fergus Falls, Minnesota (Address of principal executive offices)			56538-0496 (Zip Code)

Registrant's telephone number, including area code: 866-410-8780

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares, par value $5.00 per share	OTTR	The Nasdaq Stock Market LLC

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☑ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☑ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company” and “emerging growth company” in Rule 12b-2 of the Exchange Act. (Check one):

Large Accelerated Filer ☑

Accelerated Filer ☐

Non-Accelerated Filer ☐

Smaller Reporting Company ☐

Emerging Growth Company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐ No ☑

Indicate the number of shares outstanding of each of the registrant's classes of common stock, as of the latest practicable date:

~~41,630,655~~41,630,952 Common Shares ($5 par value) as of ~~April 27,~~October 25, 2022.

Table of Contents


TABLE OF CONTENTS

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DEFINITIONS

The following abbreviations or acronyms are used in the text.

~~AFUDC~~AGI

~~Allowance for Funds Used During Construction~~

~~MISO~~

~~Midcontinent Independent System Operator, Inc.~~

~~ARP~~

~~Alternative Revenue Program~~

~~MPUC~~

~~Minnesota Public Utilities Commission~~

~~BTD~~

~~BTD Manufacturing, Inc.~~Advanced Grid Infrastructure Rider

OTC

Otter Tail Corporation

~~CIP~~ARP

~~Conservation Improvement~~Alternative Revenue Program

OTP

Otter Tail Power Company

BTD

BTD Manufacturing, Inc.

NDDEQ

North Dakota Department of Environmental Quality

CIP

Conservation Improvement Program

PIR

Phase-In Rider

EAR

Energy Adjustment Rider

PSLRA

Private Securities Litigation Reform Act of 1995

EPA

Environmental Protection Agency

~~PTCs~~PTC

Production ~~tax credits~~Tax Credits

ESSRP

Executive Survivor and Supplemental Retirement Plan

PVC

Polyvinyl chloride

FERC

Federal Energy Regulatory Commission

RHR

Regional Haze Rule

GCR

Generation Cost Recovery Rider

ROE

Return on equity

ISO

Independent System Operator

RRR

Renewable Resource Rider

IRP

Integrated Resource Plan

SEC

Securities and Exchange Commission

kwh

kilowatt-hour

~~T.O. Plastics~~SOFR

~~T.O. Plastics, Inc.~~Secured Overnight Funds Rate

Merricourt

Merricourt Wind Energy Center

T.O. Plastics

T.O. Plastics, Inc.

MISO

Midcontinent Independent System Operator, Inc.

TCR

Transmission Cost Recovery Rider

MPUC

Minnesota Public Utilities Commission


FORWARD-LOOKING INFORMATION

This Quarterly Report on Form 10-Q contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 (the ~~Act)~~"PSLRA"). When used in this Form 10-Q and in future filings by ~~the Company~~Otter Tail Corporation (the "Company") with the Securities and Exchange Commission (SEC), in the Company’s press releases and in oral statements, words such as “anticipate,” “believe,” “could,” “estimate,” “expect,” "future," "goal," “intend,” "likely," “may,” “outlook,” “plan,” “possible,” “potential,” "probable," "projected," “should,” "target," “will,” “would” or similar expressions are intended to identify forward-looking statements within the meaning of the ~~Act.~~PSLRA. Such statements are based on current expectations and assumptions and entail various risks and uncertainties that could cause actual results to differ materially from those expressed in such forward-looking statements. The Company’s risks and uncertainties include, among other things, uncertainty of the impact and duration of the COVID-19 pandemic, uncertainty of future investments and capital expenditures, rate base levels and rate base growth, long-term investment risk, seasonal weather patterns and extreme weather events, counterparty credit risk, future business volumes with key customers, reductions in our credit ratings, our ability to access capital markets on favorable terms, assumptions and costs relating to funding our employee benefit plans, our subsidiaries’ ability to make dividend payments, cyber security threats or data breaches, the impact of government legislation and regulation including foreign trade policy and environmental laws and regulations, the impact of climate change including compliance with legislative and regulatory changes to address climate change, operational and economic risks associated with our electric generating and manufacturing facilities, risks associated with energy markets, the availability and pricing of resource materials, inflation rates, attracting and maintaining a qualified and stable workforce, expectations regarding regulatory proceedings, and changing macroeconomic and industry conditions. These and other risks and uncertainties are more fully described in our filings with the SEC, including our most recently filed Annual Report on Form 10-K. Forward-looking statements speak only as of the date they are made, and we expressly disclaim any obligation to update any forward-looking information.

PART I. FINANCIAL INFORMATION


ITEM 1.			FINANCIAL STATEMENTS

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OTTER TAIL CORPORATION

CONSOLIDATED BALANCE SHEETS (unaudited)


(in thousands, except share data)	(in thousands, except share data)	March 31, 2022		December 31, 2021		(in thousands, except share data)	September 30, 2022		December 31, 2021

Assets	Assets					Assets
Current Assets	Current Assets					Current Assets
Cash and Cash Equivalents	Cash and Cash Equivalents	$	1,371	$	1,537	Cash and Cash Equivalents	$	72,987	$	1,537
Receivables, net of allowance for credit losses	Receivables, net of allowance for credit losses	218,896		174,953		Receivables, net of allowance for credit losses	193,797		174,953
Inventories	Inventories	145,857		148,490		Inventories	146,376		148,490
Regulatory Assets	Regulatory Assets	21,770		27,342		Regulatory Assets	29,921		27,342
Other Current Assets	Other Current Assets	14,497		17,032		Other Current Assets	17,412		17,032
Total Current Assets	Total Current Assets	402,391		369,354		Total Current Assets	460,493		369,354
Noncurrent Assets	Noncurrent Assets					Noncurrent Assets
Investments	Investments	57,893		56,690		Investments	52,966		56,690
Property, Plant and Equipment, net of accumulated depreciation	Property, Plant and Equipment, net of accumulated depreciation	2,128,344		2,124,605		Property, Plant and Equipment, net of accumulated depreciation	2,186,643		2,124,605
Regulatory Assets	Regulatory Assets	124,413		125,508		Regulatory Assets	116,593		125,508
Intangible Assets, net of accumulated amortization	Intangible Assets, net of accumulated amortization	8,768		9,044		Intangible Assets, net of accumulated amortization	8,218		9,044
Goodwill	Goodwill	37,572		37,572		Goodwill	37,572		37,572
Other Noncurrent Assets	Other Noncurrent Assets	32,360		32,057		Other Noncurrent Assets	35,419		32,057
Total Noncurrent Assets	Total Noncurrent Assets	2,389,350		2,385,476		Total Noncurrent Assets	2,437,411		2,385,476
Total Assets	Total Assets	$	2,791,741	$	2,754,830	Total Assets	$	2,897,904	$	2,754,830

Liabilities and Shareholders' Equity	Liabilities and Shareholders' Equity					Liabilities and Shareholders' Equity
Current Liabilities	Current Liabilities					Current Liabilities
Short-Term Debt	Short-Term Debt	$	97,770	$	91,163	Short-Term Debt	$	—	$	91,163
Current Maturities of Long-Term Debt	Current Maturities of Long-Term Debt	29,990		29,983		Current Maturities of Long-Term Debt	—		29,983
Accounts Payable	Accounts Payable	119,022		135,089		Accounts Payable	121,995		135,089
Accrued Salaries and Wages	Accrued Salaries and Wages	19,846		31,704		Accrued Salaries and Wages	27,454		31,704
Accrued Taxes	Accrued Taxes	21,879		19,245		Accrued Taxes	25,635		19,245
Regulatory Liabilities	Regulatory Liabilities	27,211		24,844		Regulatory Liabilities	21,114		24,844
Other Current Liabilities	Other Current Liabilities	57,437		55,671		Other Current Liabilities	45,655		55,671
Total Current Liabilities	Total Current Liabilities	373,155		387,699		Total Current Liabilities	241,853		387,699
Noncurrent Liabilities	Noncurrent Liabilities					Noncurrent Liabilities
Pension Benefit Liability	Pension Benefit Liability	53,153		73,973		Pension Benefit Liability	50,489		73,973
Other Postretirement Benefits Liability	Other Postretirement Benefits Liability	66,383		66,481		Other Postretirement Benefits Liability	67,352		66,481
Regulatory Liabilities	Regulatory Liabilities	233,989		234,430		Regulatory Liabilities	240,545		234,430
Deferred Income Taxes	Deferred Income Taxes	203,877		188,268		Deferred Income Taxes	212,838		188,268
Deferred Tax Credits	Deferred Tax Credits	16,475		16,661		Deferred Tax Credits	16,102		16,661
Other Noncurrent Liabilities	Other Noncurrent Liabilities	63,497		62,527		Other Noncurrent Liabilities	60,942		62,527
Total Noncurrent Liabilities	Total Noncurrent Liabilities	637,374		642,340		Total Noncurrent Liabilities	648,268		642,340
Commitments and Contingencies (Note 9)	Commitments and Contingencies (Note 9)	0		0		Commitments and Contingencies (Note 9)
Capitalization	Capitalization					Capitalization
Long-Term Debt, net of current maturities	Long-Term Debt, net of current maturities	734,074		734,014		Long-Term Debt, net of current maturities	823,760		734,014
Shareholders' Equity	Shareholders' Equity					Shareholders' Equity
Common Shares: 50,000,000 shares authorized, $5 par value; 41,605,884 and 41,551,524 outstanding at March 31, 2022 and December 31, 2021		208,029		207,758
Common Shares: 50,000,000 shares authorized, $5 par value; 41,630,952 and 41,551,524 outstanding at September 30, 2022 and December 31, 2021						Common Shares: 50,000,000 shares authorized, $5 par value; 41,630,952 and 41,551,524 outstanding at September 30, 2022 and December 31, 2021	208,155		207,758
Additional Paid-In Capital	Additional Paid-In Capital	421,449		419,760		Additional Paid-In Capital	422,448		419,760
Retained Earnings	Retained Earnings	424,605		369,783		Retained Earnings	560,398		369,783
Accumulated Other Comprehensive Loss	Accumulated Other Comprehensive Loss	(6,945)		(6,524)		Accumulated Other Comprehensive Loss	(6,978)		(6,524)
Total Shareholders' Equity	Total Shareholders' Equity	1,047,138		990,777		Total Shareholders' Equity	1,184,023		990,777
Total Capitalization	Total Capitalization	1,781,212		1,724,791		Total Capitalization	2,007,783		1,724,791
Total Liabilities and Shareholders' Equity	Total Liabilities and Shareholders' Equity	$	2,791,741	$	2,754,830	Total Liabilities and Shareholders' Equity	$	2,897,904	$	2,754,830

See accompanying notes to consolidated financial statements.

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OTTER TAIL CORPORATION

CONSOLIDATED STATEMENTS OF INCOME (unaudited)


		Three Months Ended March 31,				Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except per-share amounts)	(in thousands, except per-share amounts)	2022		2021			(in thousands, except per-share amounts)	2022		2021		2022		2021

Operating Revenues	Operating Revenues						Operating Revenues
Electric	Electric	$	130,416	$	123,699		Electric	$	142,747	$	118,775	$	404,112	$	348,629
Product Sales	Product Sales	244,488		138,011			Product Sales	241,109		197,519		754,688		514,983
Total Operating Revenues	Total Operating Revenues	374,904		261,710			Total Operating Revenues	383,856		316,294		1,158,800		863,612
Operating Expenses	Operating Expenses						Operating Expenses
Electric Production Fuel	Electric Production Fuel	14,853		14,714			Electric Production Fuel	24,972		17,698		54,538		44,576
Electric Purchased Power	Electric Purchased Power	20,529		19,260			Electric Purchased Power	19,913		9,878		64,604		40,273
Electric Operating and Maintenance Expenses	Electric Operating and Maintenance Expenses	44,278		41,421			Electric Operating and Maintenance Expenses	39,799		36,465		126,460		114,615
Cost of Products Sold (excluding depreciation)	Cost of Products Sold (excluding depreciation)	151,759		101,977			Cost of Products Sold (excluding depreciation)	139,361		134,212		443,586		358,767
Other Nonelectric Expenses	Other Nonelectric Expenses	17,206		13,693			Other Nonelectric Expenses	16,524		16,224		50,981		45,587
Depreciation and Amortization	Depreciation and Amortization	23,548		22,126			Depreciation and Amortization	22,716		22,815		69,829		68,109
Electric Property Taxes	Electric Property Taxes	4,432		4,320			Electric Property Taxes	4,438		4,474		13,304		13,136
Total Operating Expenses	Total Operating Expenses	276,605		217,511			Total Operating Expenses	267,723		241,766		823,302		685,063
Operating Income	Operating Income	98,299		44,199			Operating Income	116,133		74,528		335,498		178,549
Other Income and Expense	Other Income and Expense						Other Income and Expense
Interest Charges	Interest Charges	8,948		9,398			Interest Charges	9,259		9,648		27,198		28,601
Nonservice Cost Components of Postretirement Benefits	Nonservice Cost Components of Postretirement Benefits	(22)		383			Nonservice Cost Components of Postretirement Benefits	(52)		505		(824)		1,511
Other Income (Expense), net	Other Income (Expense), net	260		1,160			Other Income (Expense), net	(174)		203		(802)		2,095
Income Before Income Taxes	Income Before Income Taxes	89,633		35,578			Income Before Income Taxes	106,752		64,578		308,322		150,532
Income Tax Expense	Income Tax Expense	17,630		5,249			Income Tax Expense	22,513		11,824		66,143		25,380
Net Income	Net Income	$	72,003	$	30,329		Net Income	$	84,239	$	52,754	$	242,179	$	125,152

Weighted-Average Common Shares Outstanding:	Weighted-Average Common Shares Outstanding:						Weighted-Average Common Shares Outstanding:
Basic	Basic	41,548		41,455			Basic	41,600		41,504		41,582		41,487
Diluted	Diluted	41,871		41,700			Diluted	41,974		41,869		41,930		41,795
Earnings Per Share:	Earnings Per Share:						Earnings Per Share:
Basic	Basic	$	1.73	$	0.73		Basic	$	2.02	$	1.27	$	5.82	$	3.02
Diluted	Diluted	$	1.72	$	0.73		Diluted	$	2.01	$	1.26	$	5.78	$	2.99

See accompanying notes to consolidated financial statements.

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OTTER TAIL CORPORATION

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited)
Three Months Ended March 31,
(in thousands) 2022 2021
Net Income $ 72,003 $ 30,329
Other Comprehensive (Loss) Income:
Unrealized (Loss) on Available-for-Sale Securities, net of tax benefit of $61 and $10 (231) (35)
Pension and Other Postretirement Benefits, net of tax benefit (expense) of $67 and $(53) (190) 150
Total Other Comprehensive (Loss) Income $ (421) $ 115
Total Comprehensive Income $ 71,582 $ 30,444


	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021

Net Income	$	84,239	$	52,754	$	242,179	$	125,152
Other Comprehensive Income (Loss):
Unrealized Loss on Available-for-Sale Securities, net of tax benefit of $46, $7, $127, and $27	(171)		(26)		(476)		(101)
Pension and Other Postretirement Benefits, net of tax expense of $(37), $(51), $(8), and $(154)	106		146		22		437
Total Other Comprehensive Income (Loss)	(65)		120		(454)		336
Total Comprehensive Income	$	84,174	$	52,874	$	241,725	$	125,488

See accompanying notes to consolidated financial statements.

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OTTER TAIL CORPORATION

CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (unaudited)


(in thousands, except common shares outstanding)	(in thousands, except common shares outstanding)	Common Shares Outstanding	Par Value, Common Shares		Additional Paid-In Capital		Retained Earnings		Accumulated Other Comprehensive Income (Loss)		Total Shareholders' Equity		(in thousands, except common shares outstanding)	Common Shares Outstanding	Par Value, Common Shares		Additional Paid-In Capital		Retained Earnings		Accumulated Other Comprehensive Income (Loss)		Total Shareholders' Equity

Balance, June 30, 2022													Balance, June 30, 2022	41,630,799	$	208,154	$	421,951	$	493,351	$	(6,913)	$	1,116,543

Stock Issued Under Share-Based Compensation Plans, net of shares withheld for employee taxes													Stock Issued Under Share-Based Compensation Plans, net of shares withheld for employee taxes	153	1		(1)		—		—		—
Stock Issued Under Dividend Reinvestment and Stock Purchase Plans, net of expenses and repurchased shares													Stock Issued Under Dividend Reinvestment and Stock Purchase Plans, net of expenses and repurchased shares	—	—		(132)		—		—		(132)
Net Income													Net Income	—	—		—		84,239		—		84,239
Other Comprehensive Loss													Other Comprehensive Loss	—	—		—		—		(65)		(65)
Stock Compensation Expense													Stock Compensation Expense	—	—		630		—		—		630
Common Dividends ($0.4125 per share)													Common Dividends ($0.4125 per share)	—	—		—		(17,192)		—		(17,192)
Balance, September 30, 2022													Balance, September 30, 2022	41,630,952	$	208,155	$	422,448	$	560,398	$	(6,978)	$	1,184,023

Balance, June 30, 2021													Balance, June 30, 2021	41,538,709	$	207,694	$	417,870	$	297,850	$	(8,291)	$	915,123

Stock Issued Under Share-Based Compensation Plans, net of shares withheld for employee taxes													Stock Issued Under Share-Based Compensation Plans, net of shares withheld for employee taxes	1,275	6		(132)		—		—		(126)

Net Income													Net Income	—	—		—		52,754		—		52,754
Other Comprehensive Income													Other Comprehensive Income	—	—		—		—		120		120
Stock Compensation Expense													Stock Compensation Expense	—	—		830		—		—		830
Common Dividends ($0.39 per share)													Common Dividends ($0.39 per share)	—	—		—		(16,219)		—		(16,219)
Balance, September 30, 2021													Balance, September 30, 2021	41,539,984	$	207,700	$	418,568	$	334,385	$	(8,171)	$	952,482

Balance, December 31, 2021	Balance, December 31, 2021	41,551,524	$	207,758	$	419,760	$	369,783	$	(6,524)	$	990,777	Balance, December 31, 2021	41,551,524	$	207,758	$	419,760	$	369,783	$	(6,524)	$	990,777

Stock Issued Under Share-Based Compensation Plans, net of shares withheld for employee taxes	Stock Issued Under Share-Based Compensation Plans, net of shares withheld for employee taxes	54,360	271		(3,215)		—		—		(2,944)		Stock Issued Under Share-Based Compensation Plans, net of shares withheld for employee taxes	79,428	397		(3,321)		—		—		(2,924)

Stock Issued Under Dividend Reinvestment and Stock Purchase Plans, net of expenses and repurchased shares													Stock Issued Under Dividend Reinvestment and Stock Purchase Plans, net of expenses and repurchased shares	—	—		(132)		—		—		(132)
Net Income	Net Income	—	—		—		72,003		—		72,003		Net Income	—	—		—		242,179		—		242,179
Other Comprehensive Loss	Other Comprehensive Loss	—	—		—		—		(421)		(421)		Other Comprehensive Loss	—	—		—		—		(454)		(454)
Stock Compensation Expense	Stock Compensation Expense	—	—		4,904		—		—		4,904		Stock Compensation Expense	—	—		6,141		—		—		6,141
Common Dividends ($0.4125 per share)		—	—		—		(17,181)		—		(17,181)
Balance, March 31, 2022		41,605,884	$	208,029	$	421,449	$	424,605	$	(6,945)	$	1,047,138
Common Dividends ($1.2375 per share)													Common Dividends ($1.2375 per share)	—	—		—		(51,564)		—		(51,564)
Balance, September 30, 2022													Balance, September 30, 2022	41,630,952	$	208,155	$	422,448	$	560,398	$	(6,978)	$	1,184,023

Balance, December 31, 2020	Balance, December 31, 2020	41,469,879	$	207,349	$	414,246	$	257,878	$	(8,507)	$	870,966	Balance, December 31, 2020	41,469,879	$	207,349	$	414,246	$	257,878	$	(8,507)	$	870,966

Stock Issued Under Share-Based Compensation Plans, net of shares withheld for employee taxes	Stock Issued Under Share-Based Compensation Plans, net of shares withheld for employee taxes	40,576	203		(1,710)		—		—		(1,507)		Stock Issued Under Share-Based Compensation Plans, net of shares withheld for employee taxes	70,105	351		(1,965)		—		—		(1,614)
Stock Issued Under Dividend Reinvestment and Stock Purchase Plans, net of expenses and repurchased shares	Stock Issued Under Dividend Reinvestment and Stock Purchase Plans, net of expenses and repurchased shares	—	—		(25)		—		—		(25)		Stock Issued Under Dividend Reinvestment and Stock Purchase Plans, net of expenses and repurchased shares	—	—		(67)		—		—		(67)
Net Income	Net Income	—	—		—		30,329		—		30,329		Net Income	—	—		—		125,152		—		125,152
Other Comprehensive Income	Other Comprehensive Income	—	—		—		—		115		115		Other Comprehensive Income	—	—		—		—		336		336
Stock Compensation Expense	Stock Compensation Expense	—	—		4,197		—		—		4,197		Stock Compensation Expense	—	—		6,354		—		—		6,354
Common Dividends ($0.39 per share)		—	—		—		(16,208)		—		(16,208)
Balance, March 31, 2021		41,510,455	$	207,552	$	416,708	$	271,999	$	(8,392)	$	887,867

Common Dividends ($1.17 per share)													Common Dividends ($1.17 per share)	—	—		—		(48,645)		—		(48,645)
Balance, September 30, 2021													Balance, September 30, 2021	41,539,984	$	207,700	$	418,568	$	334,385	$	(8,171)	$	952,482

See accompanying notes to consolidated financial statements.

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OTTER TAIL CORPORATION

CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited)


		Three Months Ended March 31,					Nine Months Ended September 30,
(in thousands)	(in thousands)	2022		2021		(in thousands)	2022		2021

Operating Activities	Operating Activities					Operating Activities
Net Income	Net Income	$	72,003	$	30,329	Net Income	$	242,179	$	125,152
Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:	Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:					Adjustments to Reconcile Net Income to Net Cash Provided by Operating Activities:
Depreciation and Amortization	Depreciation and Amortization	23,548		22,126		Depreciation and Amortization	69,829		68,109
Deferred Tax Credits	Deferred Tax Credits	(186)		(186)		Deferred Tax Credits	(558)		(558)
Deferred Income Taxes	Deferred Income Taxes	14,342		5,697		Deferred Income Taxes	23,648		18,835
Discretionary Contribution to Pension Plan	Discretionary Contribution to Pension Plan	(20,000)		(10,000)		Discretionary Contribution to Pension Plan	(20,000)		(10,000)
Allowance for Equity Funds Used During Construction	Allowance for Equity Funds Used During Construction	(260)		(45)		Allowance for Equity Funds Used During Construction	(938)		(427)
Stock Compensation Expense	Stock Compensation Expense	4,904		4,197		Stock Compensation Expense	6,141		6,354
Other, Net	Other, Net	866		(1,407)		Other, Net	5,477		(2,747)
Changes in Operating Assets and Liabilities:	Changes in Operating Assets and Liabilities:					Changes in Operating Assets and Liabilities:
Receivables	Receivables	(43,943)		(20,431)		Receivables	(18,845)		(64,800)
Inventories	Inventories	3,403		(261)		Inventories	3,632		(22,450)
Regulatory Assets	Regulatory Assets	4,468		703		Regulatory Assets	170		5,301
Other Assets	Other Assets	3,729		(6,421)		Other Assets	1,789		(18,708)
Accounts Payable	Accounts Payable	(12,533)		2,245		Accounts Payable	(10,681)		30,921
Accrued and Other Liabilities	Accrued and Other Liabilities	(7,859)		(8,890)		Accrued and Other Liabilities	(13,970)		12,027
Regulatory Liabilities	Regulatory Liabilities	2,812		(3,850)		Regulatory Liabilities	(1,208)		2,350
Pension and Other Postretirement Benefits	Pension and Other Postretirement Benefits	122		1,464		Pension and Other Postretirement Benefits	1,308		5,393
Net Cash Provided by Operating Activities	Net Cash Provided by Operating Activities	45,416		15,270		Net Cash Provided by Operating Activities	287,973		154,752
Investing Activities	Investing Activities					Investing Activities
Capital Expenditures	Capital Expenditures	(28,710)		(50,076)		Capital Expenditures	(123,227)		(117,312)
Proceeds from Disposal of Noncurrent Assets	Proceeds from Disposal of Noncurrent Assets	878		3,244		Proceeds from Disposal of Noncurrent Assets	3,803		5,819
Cash Used for Investments and Other Assets	Cash Used for Investments and Other Assets	(3,617)		(2,188)		Cash Used for Investments and Other Assets	(8,132)		(5,591)
Net Cash Used in Investing Activities	Net Cash Used in Investing Activities	(31,449)		(49,020)		Net Cash Used in Investing Activities	(127,556)		(117,084)
Financing Activities	Financing Activities					Financing Activities
Net Borrowings on Short-Term Debt		6,608		53,854
Net Borrowings (Repayments) on Short-Term Debt						Net Borrowings (Repayments) on Short-Term Debt	(91,163)		16,860

Proceeds from Issuance of Long-Term Debt						Proceeds from Issuance of Long-Term Debt	90,000		—
Payments for Retirement of Long-Term Debt	Payments for Retirement of Long-Term Debt	—		(169)		Payments for Retirement of Long-Term Debt	(30,000)		(169)
Dividends Paid	Dividends Paid	(17,181)		(16,208)		Dividends Paid	(51,564)		(48,645)
Payments for Shares Withheld for Employee Tax Obligations	Payments for Shares Withheld for Employee Tax Obligations	(2,942)		(1,507)		Payments for Shares Withheld for Employee Tax Obligations	(2,942)		(1,633)
Other, net	Other, net	(618)		(2,171)		Other, net	(3,298)		(3,972)
Net Cash (Used in) Provided by Financing Activities		(14,133)		33,799
Net Cash Used in Financing Activities						Net Cash Used in Financing Activities	(88,967)		(37,559)
Net Change in Cash and Cash Equivalents	Net Change in Cash and Cash Equivalents	(166)		49		Net Change in Cash and Cash Equivalents	71,450		109
Cash and Cash Equivalents at Beginning of Period	Cash and Cash Equivalents at Beginning of Period	1,537		1,163		Cash and Cash Equivalents at Beginning of Period	1,537		1,163
Cash and Cash Equivalents at End of Period	Cash and Cash Equivalents at End of Period	$	1,371	$	1,212	Cash and Cash Equivalents at End of Period	$	72,987	$	1,272

Supplemental Disclosure of Noncash Investing Activities	Supplemental Disclosure of Noncash Investing Activities					Supplemental Disclosure of Noncash Investing Activities
Accrued Property, Plant and Equipment Additions	Accrued Property, Plant and Equipment Additions	$	9,165	$	18,962	Accrued Property, Plant and Equipment Additions	$	12,438	$	14,358

See accompanying notes to consolidated financial statements

Table of Contents

OTTER TAIL CORPORATION

CONDENSED NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (unaudited)

1. Summary of Significant Accounting Policies

Overview

Otter Tail Corporation (OTC) and its subsidiaries (collectively, the "Company", "us", "our" or "we") form a diverse, multi-platform business consisting of a vertically integrated, regulated utility with generation, transmission and distribution facilities complemented by manufacturing businesses providing metal fabrication for custom machine parts and metal components, manufacturing of extruded and thermoformed plastic products, and manufacturing of polyvinyl chloride (PVC) pipe products. We classify our business into 3three segments: Electric, Manufacturing and Plastics.

Basis of Presentation

The unaudited consolidated financial statements included herein have been prepared pursuant to the rules and regulations of the SEC for interim reporting. Accordingly, they do not include all the information and footnotes required by generally accepted accounting principles. In the opinion of management, we have included all adjustments, including normal recurring accruals, necessary for a fair presentation of the consolidated financial statements for the periods presented. The consolidated financial statements and condensed notes thereto should be read in conjunction with the consolidated financial statements and notes included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2021.

Because of the seasonality of our businesses and other factors, the earnings for the three and nine months ended ~~March 31,~~September 30, 2022 should not be taken as an indication of earnings for all or any part of the balance of the current year or as an indication of earnings for future years.

Use of Estimates

We use estimates based on the best information available in recording transactions and balances resulting from business operations. As better information becomes available or actual amounts are known, the recorded estimates are revised. Consequently, operating results can be affected by revisions to prior accounting estimates.

Reclassifications

Certain reclassifications of amounts previously reported have been made to the accompanying consolidated statements of shareholders' equity and consolidated statements of cash flows to maintain consistency and comparability between periods presented. The reclassifications had no impact on previously reported shareholders' equity, net cash provided by operating activities, net cash used in investing activities, net cash ~~(used in) provided by~~used in financing activities, or cash and cash equivalents.

2. Segment Information

We classify our business into 3three segments, Electric, Manufacturing and Plastics, consistent with our business strategy, organizational structure and our internal reporting and review processes used by our chief operating decision maker to make decisions regarding allocation of resources, to assess operating performance and to make strategic decisions.

Certain assets and costs are not allocated to our operating segments. Corporate operating costs include items such as corporate staff and overhead costs, the results of our captive insurance company and other items excluded from the measurement of operating segment performance. Corporate assets consist primarily of cash and cash equivalents, prepaid expenses, investments and fixed assets. Corporate is not an operating segment, rather it is added to operating segment totals to reconcile to consolidated amounts.

Information for each segment and our unallocated corporate costs for the three and nine months ended ~~March 31,~~September 30, 2022 and 2021 are as follows:


		Three Months Ended March 31,				Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	(in thousands)	2022		2021			(in thousands)	2022		2021		2022		2021

Operating Revenue	Operating Revenue						Operating Revenue
Electric	Electric	$	130,416	$	123,699		Electric	$	142,747	$	118,775	$	404,112	$	348,629
Manufacturing	Manufacturing	104,957		75,825			Manufacturing	98,767		89,977		306,921		250,085
Plastics	Plastics	139,531		62,186			Plastics	142,342		107,542		447,767		264,898
Total	Total	$	374,904	$	261,710		Total	$	383,856	$	316,294	$	1,158,800	$	863,612
Net Income (Loss)	Net Income (Loss)						Net Income (Loss)
Electric	Electric	$	19,233	$	17,587		Electric	$	24,847	$	22,528	$	62,938	$	55,547
Manufacturing	Manufacturing	4,084		5,385			Manufacturing	6,219		4,200		17,858		15,290
Plastics	Plastics	50,846		9,147			Plastics	55,982		28,410		170,788		60,102
Corporate	Corporate	(2,160)		(1,790)			Corporate	(2,809)		(2,384)		(9,405)		(5,787)
Total	Total	$	72,003	$	30,329		Total	$	84,239	$	52,754	$	242,179	$	125,152

Table of Contents

The following provides the identifiable assets by segment and corporate assets as of ~~March 31,~~September 30, 2022 and December 31, 2021:


(in thousands)	(in thousands)	March 31, 2022		December 31, 2021		(in thousands)	September 30, 2022		December 31, 2021

Identifiable Assets	Identifiable Assets					Identifiable Assets
Electric	Electric	$	2,278,337	$	2,283,776	Electric	$	2,347,461	$	2,283,776
Manufacturing	Manufacturing	269,833		251,044		Manufacturing	253,819		251,044
Plastics	Plastics	184,865		162,565		Plastics	179,925		162,565
Corporate	Corporate	58,706		57,445		Corporate	116,699		57,445
Total	Total	$	2,791,741	$	2,754,830	Total	$	2,897,904	$	2,754,830

3. Revenue

~~We present~~Presented below are our operating revenues to external customers, in total and by amounts arising from contracts with customers and alternative revenue program (ARP) arrangements, disaggregated by revenue source and segment for the three and nine months ended ~~March 31,~~September 30, 2022 and 2021:


		Three Months Ended March 31,				Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	(in thousands)	2022		2021			(in thousands)	2022		2021		2022		2021

Operating Revenues	Operating Revenues						Operating Revenues
Electric Segment	Electric Segment						Electric Segment
Retail: Residential	Retail: Residential	$	40,561	$	37,485		Retail: Residential	$	35,122	$	33,902	$	108,883	$	100,067
Retail: Commercial and Industrial	Retail: Commercial and Industrial	71,171		66,403			Retail: Commercial and Industrial	83,022		60,557		232,532		185,376
Retail: Other	Retail: Other	1,907		1,818			Retail: Other	2,033		1,979		6,004		5,687
Total Retail	Total Retail	113,639		105,706			Total Retail	120,177		96,438		347,419		291,130
Transmission	Transmission	12,556		11,944			Transmission	13,156		13,300		37,409		37,085
Wholesale	Wholesale	2,463		4,507			Wholesale	7,196		6,944		13,196		14,711
Other	Other	1,758		1,542			Other	2,218		2,093		6,088		5,703
Total Electric Segment	Total Electric Segment	130,416		123,699			Total Electric Segment	142,747		118,775		404,112		348,629
Manufacturing Segment	Manufacturing Segment						Manufacturing Segment
Metal Parts and Tooling	Metal Parts and Tooling	89,573		62,673			Metal Parts and Tooling	84,054		76,455		261,923		210,141
Plastic Products and Tooling	Plastic Products and Tooling	12,445		10,295			Plastic Products and Tooling	12,723		10,198		36,584		30,624
Scrap Metal Sales	Scrap Metal Sales	2,939		2,857			Scrap Metal Sales	1,990		3,324		8,414		9,320
Total Manufacturing Segment	Total Manufacturing Segment	104,957		75,825			Total Manufacturing Segment	98,767		89,977		306,921		250,085
Plastics Segment	Plastics Segment						Plastics Segment
PVC Pipe	PVC Pipe	139,531		62,186			PVC Pipe	142,342		107,542		447,767		264,898
Total Operating Revenue	Total Operating Revenue	374,904		261,710			Total Operating Revenue	383,856		316,294		1,158,800		863,612
Less: Non-contract Revenues Included Above	Less: Non-contract Revenues Included Above						Less: Non-contract Revenues Included Above
Electric Segment - ARP Revenues	Electric Segment - ARP Revenues	(2,460)		(975)			Electric Segment - ARP Revenues	(548)		(33)		(7,937)		(2,790)
Total Operating Revenues from Contracts with Customers	Total Operating Revenues from Contracts with Customers	$	377,364	$	262,685		Total Operating Revenues from Contracts with Customers	$	384,404	$	316,327	$	1,166,737	$	866,402

4. Select Balance Sheet Information

Receivables and Allowance for Credit Losses

Receivables as of ~~March 31,~~September 30, 2022 and December 31, 2021 are as follows:


(in thousands)	(in thousands)	March 31, 2022		December 31, 2021		(in thousands)	September 30, 2022		December 31, 2021

Receivables	Receivables					Receivables
Trade	Trade	$	192,315	$	142,297	Trade	$	167,480	$	142,297
Other	Other	8,139		10,591		Other	9,052		10,591
Unbilled Receivables	Unbilled Receivables	20,229		23,901		Unbilled Receivables	18,813		23,901
Total Receivables	Total Receivables	220,683		176,789		Total Receivables	195,345		176,789
Less: Allowance for Credit Losses	Less: Allowance for Credit Losses	(1,787)		(1,836)		Less: Allowance for Credit Losses	(1,548)		(1,836)
Receivables, net of allowance for credit losses	Receivables, net of allowance for credit losses	$	218,896	$	174,953	Receivables, net of allowance for credit losses	$	193,797	$	174,953

Table of Contents

The following is a summary of activity in the allowance for credit losses for the ~~three~~nine months ended ~~March 31,~~September 30, 2022 and 2021:


		March 31,		March 31,
(in thousands)	(in thousands)	2022		2021		(in thousands)	2022		2021

Beginning Balance, January 1	Beginning Balance, January 1	$	1,836	$	3,215	Beginning Balance, January 1	$	1,836	$	3,215
Additions Charged to Expense	Additions Charged to Expense	210		211		Additions Charged to Expense	518		177
Reductions for Amounts Written Off, Net of Recoveries	Reductions for Amounts Written Off, Net of Recoveries	(259)		(443)		Reductions for Amounts Written Off, Net of Recoveries	(806)		(1,060)
Ending Balance, March 31		$	1,787	$	2,983
Ending Balance, September 30						Ending Balance, September 30	$	1,548	$	2,332

Inventories

Inventories consist of the following as of ~~March 31,~~September 30, 2022 and December 31, 2021:


(in thousands)	(in thousands)	March 31, 2022		December 31, 2021		(in thousands)	September 30, 2022		December 31, 2021

Raw Material, Fuel and Supplies						Raw Material, Fuel and Supplies	$	74,249	$	72,882
Work in Process						Work in Process	33,765		35,705
Finished Goods	Finished Goods	$	37,195	$	39,903	Finished Goods	38,362		39,903
Work in Process		33,962		35,705
Raw Material, Fuel and Supplies		74,700		72,882
Total Inventories	Total Inventories	$	145,857	$	148,490	Total Inventories	$	146,376	$	148,490

Investments

The following is a summary of our investments as of ~~March 31,~~September 30, 2022 and December 31, 2021:


(in thousands)	(in thousands)	March 31, 2022		December 31, 2021		(in thousands)	September 30, 2022		December 31, 2021

Corporate-Owned Life Insurance Policies	Corporate-Owned Life Insurance Policies	$	40,722	$	41,078	Corporate-Owned Life Insurance Policies	$	37,288	$	41,078
Debt Securities	Debt Securities	8,959		9,202		Debt Securities	8,710		9,202
Money Market Funds	Money Market Funds	1,893		949		Money Market Funds	1,854		949
Mutual Funds	Mutual Funds	6,285		5,432		Mutual Funds	5,084		5,432
Other Investments	Other Investments	34		29		Other Investments	30		29
Total Investments	Total Investments	$	57,893	$	56,690	Total Investments	$	52,966	$	56,690

The amount of unrealized gains and losses on debt securities as of ~~March 31,~~September 30, 2022 and December 31, 2021 was not material and no unrealized losses were deemed to be other-than-temporary. In addition, the amount of unrealized gains and losses on marketable equity securities still held as of ~~March 31,~~September 30, 2022 and December 31, 2021 was not material.

Property, Plant and Equipment

Major classes of property, plant and equipment as of ~~March 31,~~September 30, 2022 and December 31, 2021 include:


(in thousands)	(in thousands)	March 31, 2022		December 31, 2021		(in thousands)	September 30, 2022		December 31, 2021

Electric Plant	Electric Plant					Electric Plant
Electric Plant in Service	Electric Plant in Service	$	2,776,778	$	2,758,445	Electric Plant in Service	$	2,795,649	$	2,758,445
Construction Work in Progress	Construction Work in Progress	72,347		74,926		Construction Work in Progress	130,486		74,926
Total Gross Electric Plant	Total Gross Electric Plant	2,849,125		2,833,371		Total Gross Electric Plant	2,926,135		2,833,371
Less Accumulated Depreciation and Amortization	Less Accumulated Depreciation and Amortization	829,499		817,302		Less Accumulated Depreciation and Amortization	850,741		817,302
Net Electric Plant	Net Electric Plant	2,019,626		2,016,069		Net Electric Plant	2,075,394		2,016,069
Nonelectric Property, Plant and Equipment	Nonelectric Property, Plant and Equipment					Nonelectric Property, Plant and Equipment
Nonelectric Property, Plant and Equipment in Service	Nonelectric Property, Plant and Equipment in Service	278,729		273,950		Nonelectric Property, Plant and Equipment in Service	281,584		273,950
Construction Work in Progress	Construction Work in Progress	14,365		16,611		Construction Work in Progress	20,746		16,611
Total Gross Nonelectric Property, Plant and Equipment	Total Gross Nonelectric Property, Plant and Equipment	293,094		290,561		Total Gross Nonelectric Property, Plant and Equipment	302,330		290,561
Less Accumulated Depreciation and Amortization	Less Accumulated Depreciation and Amortization	184,376		182,025		Less Accumulated Depreciation and Amortization	191,081		182,025
Net Nonelectric Property, Plant and Equipment	Net Nonelectric Property, Plant and Equipment	108,718		108,536		Net Nonelectric Property, Plant and Equipment	111,249		108,536
Net Property, Plant and Equipment	Net Property, Plant and Equipment	$	2,128,344	$	2,124,605	Net Property, Plant and Equipment	$	2,186,643	$	2,124,605

Table of Contents

5. Regulatory Matters

Regulatory Assets and Liabilities

The following presents our current and long-term regulatory assets and liabilities as of ~~March 31,~~September 30, 2022 and December 31, 2021 and the period we expect to recover or refund such amounts:


		Period of	March 31, 2022				December 31, 2021					Period of	September 30, 2022				December 31, 2021
(in thousands)	(in thousands)	Recovery/Refund	Current		Long-Term		Current		Long Term		(in thousands)	Recovery/Refund	Current		Long-Term		Current		Long Term

Regulatory Assets	Regulatory Assets										Regulatory Assets
Pension and Other Postretirement Benefit Plans1	Pension and Other Postretirement Benefit Plans1	Various	$	7,791	$	113,663	$	7,791	$	114,961	Pension and Other Postretirement Benefit Plans1	Various	$	7,791	$	110,183	$	7,791	$	114,961
Alternative Revenue Program Riders2	Alternative Revenue Program Riders2	Up to 2 years	9,280		5,713		11,889		5,564		Alternative Revenue Program Riders2	Up to 2 years	7,528		1,988		11,889		5,564
Asset Retirement Obligations1	Asset Retirement Obligations1	Asset lives	—		1,098		—		742		Asset Retirement Obligations1	Asset lives	—		1,323		—		742

ISO Cost Recovery Trackers1	ISO Cost Recovery Trackers1	Up to 2 years	220		950		—		1,342		ISO Cost Recovery Trackers1	Up to 2 years	660		740		—		1,342
Unrecovered Project Costs1	Unrecovered Project Costs1	Up to 5 years	1,086		1,456		2,136		1,455		Unrecovered Project Costs1	Up to 5 years	320		1,063		2,136		1,455
Deferred Rate Case Expenses1	Deferred Rate Case Expenses1	Various	542		1,037		607		1,131		Deferred Rate Case Expenses1	Various	412		848		607		1,131
Debt Reacquisition Premiums1	Debt Reacquisition Premiums1	Up to 11 years	68		234		100		240		Debt Reacquisition Premiums1	10 years	25		222		100		240
Fuel Clause Adjustments1	Fuel Clause Adjustments1	Up to 1 year	2,767		—		4,819		—		Fuel Clause Adjustments1	Up to 1 year	13,185		—		4,819		—
Other1	Other1	Various	16		262		—		73		Other1	Various	—		226		—		73
Total Regulatory Assets	Total Regulatory Assets		$	21,770	$	124,413	$	27,342	$	125,508	Total Regulatory Assets		$	29,921	$	116,593	$	27,342	$	125,508
Regulatory Liabilities	Regulatory Liabilities										Regulatory Liabilities
Deferred Income Taxes	Deferred Income Taxes	Asset lives	$	—	$	128,042	$	—	$	129,437	Deferred Income Taxes	Asset lives	$	—	$	128,397	$	—	$	129,437
Plant Removal Obligations	Plant Removal Obligations	Asset lives	8,561		101,850		8,306		101,595		Plant Removal Obligations	Asset lives	8,526		106,008		8,306		101,595
Fuel Clause Adjustments	Fuel Clause Adjustments	Up to 1 year	5,386		—		1,554		—		Fuel Clause Adjustments	Up to 1 year	—		—		1,554		—
Alternative Revenue Program Riders	Alternative Revenue Program Riders	Various	6,215		3,986		5,772		3,336		Alternative Revenue Program Riders	Various	4,178		6,048		5,772		3,336
Pension and Other Postretirement Benefit Plans	Pension and Other Postretirement Benefit Plans	Up to 1 year	2,603		—		2,603		—		Pension and Other Postretirement Benefit Plans	Up to 1 year	2,603		—		2,603		—

Derivative Instruments	Derivative Instruments	Various	4,179		—		6,214		—		Derivative Instruments	Various	5,532		—		6,214		—
Other	Other	Various	267		111		395		62		Other	Various	275		92		395		62
Total Regulatory Liabilities	Total Regulatory Liabilities		$	27,211	$	233,989	$	24,844	$	234,430	Total Regulatory Liabilities		$	21,114	$	240,545	$	24,844	$	234,430

1Costs subject to recovery without a rate of return.	1Costs subject to recovery without a rate of return.										1Costs subject to recovery without a rate of return.
2Amount eligible for recovery includes an incentive or rate of return.	2Amount eligible for recovery includes an incentive or rate of return.										2Amount eligible for recovery includes an incentive or rate of return.

Minnesota Rate Case

On November 2, 2020, Otter Tail Power Company (OTP) filed an initial request with the Minnesota Public Utilities Commission (MPUC) for an increase in revenue recoverable through base rates in Minnesota, and on December 3, 2020, the MPUC approved an interim annual rate increase of $6.9 million, or 3.2%, effective January 1, 2021.

On February 1, 2022, the MPUC issued its written order on final rates. The key provisions of the order included a revenue requirement of $209.0 million, based on a return on rate base of 7.18% and an allowed return on equity of 9.48% on an equity ratio of 52.5%. The order also authorized recovery of our remaining Hoot Lake Plant net asset over a five-year period and approved the requested decoupling mechanism for most residential and commercial customer rate groups with a cap of 4% of annual base revenues.

On May 12, 2022, OTP's final rate case compliance filing was approved by the MPUC. The filing included final revenue calculations, rate design and resulting tariff revisions, along with a determination of the interim rate refund, which resulted in an increase in revenues during the second quarter of 2022 of $4.1 million. Final rates took effect on July 1, 2022, and interim rate refunds of $15.3 million were applied to customer accounts in the third quarter of 2022.

6. Short-Term and Long-Term Borrowings

The following is a summary of our outstanding short- and long-term borrowings by borrower, OTC or ~~Otter Tail Power (OTP),~~OTP, as of ~~March 31,~~September 30, 2022 and December 31, 2021:

Table of Contents

Short-Term Debt

The following is a summary of our lines of credit as of ~~March 31,~~September 30, 2022 and December 31, 2021:


				March 31, 2022						December 31, 2021					September 30, 2022						December 31, 2021
(in thousands)	(in thousands)	Line Limit		Amount Outstanding		Letters of Credit		Amount Available		Amount Available		(in thousands)	Borrowing Limit		Amount Outstanding		Letters of Credit		Amount Available		Amount Available

OTC Credit Agreement	OTC Credit Agreement	$	170,000	$	43,281	$	—	$	126,719	$	147,363	OTC Credit Agreement	$	170,000	$	—	$	—	$	170,000	$	147,363
OTP Credit Agreement	OTP Credit Agreement	170,000		54,489		7,844		107,667		88,315		OTP Credit Agreement	170,000		—		9,919		160,081		88,315
Total	Total	$	340,000	$	97,770	$	7,844	$	234,386	$	235,678	Total	$	340,000	$	—	$	9,919	$	330,081	$	235,678

~~Table~~On October 31, 2022, OTC entered into a Fifth Amended and Restated Credit Agreement and OTP entered into a Fourth Amended and Restated Credit Agreement, in each case amending and restating the previously existing credit agreements to extend the maturity date of ~~Contents~~

each credit facility from September 30, 2026 to October 29, 2027, and to replace LIBOR as a benchmark interest rate with the Secured Overnight Finance Rate (SOFR). The adoption of SOFR as a benchmark interest rate is in advance of the scheduled elimination of LIBOR as a benchmark interest rate on June 30, 2023. No other significant terms or conditions, including borrowing capacity, credit spreads or financial covenants, were modified under these amendments and restatements.

Long-Term Debt

The following is a summary of outstanding long-term debt by borrower as of ~~March 31,~~September 30, 2022 and December 31, 2021:


						(in thousands)									(in thousands)
Entity			Debt Instrument	Rate	Maturity	March 31, 2022		December 31, 2021
Borrower										Borrower		Debt Instrument	Rate	Maturity	September 30, 2022		December 31, 2021

OTC	OTC		Guaranteed Senior Notes	3.55%	12/15/26	$	80,000	$	80,000	OTC		Guaranteed Senior Notes	3.55%	12/15/26	$	80,000	$	80,000
OTP										OTP		Series 2007B Senior Unsecured Notes	6.15%	08/20/22	—		30,000
OTP	OTP		Series 2007B Senior Unsecured Notes	6.15%	08/20/22	30,000		30,000		OTP		Series 2007C Senior Unsecured Notes	6.37%	08/02/27	42,000		42,000
OTP	OTP		Series 2007C Senior Unsecured Notes	6.37%	08/02/27	42,000		42,000		OTP		Series 2013A Senior Unsecured Notes	4.68%	02/27/29	60,000		60,000
OTP	OTP		Series 2013A Senior Unsecured Notes	4.68%	02/27/29	60,000		60,000		OTP		Series 2019A Senior Unsecured Notes	3.07%	10/10/29	10,000		10,000
OTP	OTP		Series 2019A Senior Unsecured Notes	3.07%	10/10/29	10,000		10,000		OTP		Series 2020A Senior Unsecured Notes	3.22%	02/25/30	10,000		10,000
OTP	OTP		Series 2020A Senior Unsecured Notes	3.22%	02/25/30	10,000		10,000		OTP		Series 2020B Senior Unsecured Notes	3.22%	08/20/30	40,000		40,000
OTP	OTP		Series 2020B Senior Unsecured Notes	3.22%	08/20/30	40,000		40,000		OTP		Series 2021A Senior Unsecured Notes	2.74%	11/29/31	40,000		40,000
OTP	OTP		Series 2021A Senior Unsecured Notes	2.74%	11/29/31	40,000		40,000		OTP		Series 2007D Senior Unsecured Notes	6.47%	08/20/37	50,000		50,000
OTP	OTP		Series 2007D Senior Unsecured Notes	6.47%	08/20/37	50,000		50,000		OTP		Series 2019B Senior Unsecured Notes	3.52%	10/10/39	26,000		26,000
OTP	OTP		Series 2019B Senior Unsecured Notes	3.52%	10/10/39	26,000		26,000		OTP		Series 2020C Senior Unsecured Notes	3.62%	02/25/40	10,000		10,000
OTP	OTP		Series 2020C Senior Unsecured Notes	3.62%	02/25/40	10,000		10,000		OTP		Series 2013B Senior Unsecured Notes	5.47%	02/27/44	90,000		90,000
OTP	OTP		Series 2013B Senior Unsecured Notes	5.47%	02/27/44	90,000		90,000		OTP		Series 2018A Senior Unsecured Notes	4.07%	02/07/48	100,000		100,000
OTP	OTP		Series 2018A Senior Unsecured Notes	4.07%	02/07/48	100,000		100,000		OTP		Series 2019C Senior Unsecured Notes	3.82%	10/10/49	64,000		64,000
OTP	OTP		Series 2019C Senior Unsecured Notes	3.82%	10/10/49	64,000		64,000		OTP		Series 2020D Senior Unsecured Notes	3.92%	02/25/50	15,000		15,000
OTP	OTP		Series 2020D Senior Unsecured Notes	3.92%	02/25/50	15,000		15,000		OTP		Series 2021B Senior Unsecured Notes	3.69%	11/29/51	100,000		100,000
OTP	OTP		Series 2021B Senior Unsecured Notes	3.69%	11/29/51	100,000		100,000		OTP		Series 2022A Senior Unsecured Notes	3.77%	05/20/52	90,000		—
Total	Total					$	767,000	$	767,000	Total					$	827,000	$	767,000
Less:	Less:	Current Maturities, Net of Unamortized Debt Issuance Costs				29,990		29,983		Less:	Current Maturities, Net of Unamortized Debt Issuance Costs				—		29,983
		Unamortized Long-Term Debt Issuance Costs				2,936		3,003			Unamortized Long-Term Debt Issuance Costs				3,240		3,003
Total Long-Term Debt, Net of Unamortized Debt Issuance Costs	Total Long-Term Debt, Net of Unamortized Debt Issuance Costs					$	734,074	$	734,014	Total Long-Term Debt, Net of Unamortized Debt Issuance Costs					$	823,760	$	734,014

On June 10, 2021, OTP entered into a Note Purchase Agreement pursuant to which OTP agreed to issue, in a private placement transaction, $230.0 million of senior unsecured notes consisting of (a) $40.0 million of 2.74% Series 2021A Senior Unsecured Notes due November 29, 2031, (b) $100.0 million of 3.69% Series 2021B Senior Unsecured Notes due November 29, 2051 and (c) $90.0 million of 3.77% Series 2022A Senior Unsecured Notes due May 20, 2052. ~~During the year ended December 31,~~In November 2021, OTP issued its Series 2021A and Series 2021B ~~notes~~Notes for aggregate proceeds of $140.0 million, which were used to repay the Series 2011A ~~notes. The issuance~~Notes in full. In May 2022, OTP issued its Series 2022A Notes for proceeds of $90.0 million, which were used to repay the Series ~~2022A notes is scheduled~~2007B Senior Unsecured Notes at their maturity in August 2022, to ~~close, subject~~repay short-term borrowings, to ~~the satisfaction of certain customary conditions to closing, in May 2022.~~fund capital expenditures, and for other general corporate purposes.

Financial Covenants

Certain of OTC's and OTP's short- and long-term debt agreements require the borrower, whether OTC or OTP, to maintain certain financial covenants, including a maximum debt to total capitalization ratio of 0.60 to 1.00, a minimum interest and dividend coverage ratio of 1.50 to 1.00, and a maximum level of priority indebtedness. As of ~~March 31,~~September 30, 2022, OTC and OTP were in compliance with these financial covenants.

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7. Employee Postretirement Benefits

Pension Plan and Other Postretirement Benefits

The Company sponsors a noncontributory funded pension plan (the "Pension Plan"), an unfunded, nonqualified Executive Survivor and Supplemental Retirement Plan (the "ESSRP"), both accounted for as defined benefit pension plans, and a postretirement healthcare plan accounted for as an other postretirement benefit plan.

The following ~~table includes~~tables include the components of net periodic benefit cost of our defined benefit pension plans and other postretirement benefits for the three and nine months ended ~~March 31,~~September 30, 2022 and 2021:

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																		Three Months Ended September 30,
		Pension Benefits (Pension Plan)					Pension Benefits (ESSRP)					Postretirement Benefits						Pension Benefits (Pension Plan)				Pension Benefits (ESSRP)				Postretirement Benefits
(in thousands)	(in thousands)	2022			2021		2022			2021		2022			2021		(in thousands)	2022		2021		2022		2021		2022		2021

Service Cost	Service Cost	$	1,644		$	1,866	$	49		$	47	$	335		$	430	Service Cost	$	1,644	$	1,866	$	48	$	47	$	335	$	430
Interest Cost	Interest Cost	3,086			2,915		335			307		510			473		Interest Cost	3,086		2,915		335		307		510		472
Expected Return on Assets	Expected Return on Assets	(5,921)			(5,590)		—			—		—			—		Expected Return on Assets	(5,921)		(5,590)		—		—		—		—
Amortization of Prior Service Cost	Amortization of Prior Service Cost	—			—		—			—		(1,433)			(1,433)		Amortization of Prior Service Cost	—		—		—		—		(1,433)		(1,432)
Amortization of Net Actuarial Loss	Amortization of Net Actuarial Loss	1,966			2,728		142			155		766			943		Amortization of Net Actuarial Loss	1,966		2,728		141		154		765		943
Net Periodic Benefit Cost	Net Periodic Benefit Cost	$	775		$	1,919	$	526		$	509	$	178		$	413	Net Periodic Benefit Cost	$	775	$	1,919	$	524	$	508	$	177	$	413

				Nine Months Ended September 30,
									Pension Benefits (Pension Plan)					Pension Benefits (ESSRP)						Postretirement Benefits
(in thousands)																	(in thousands)	2022		2021		2022		2021		2022		2021

Service Cost																	Service Cost	$	4,932	$	5,597	$	146	$	140	$	1,004	$	1,291
Interest Cost																	Interest Cost	9,258		8,745		1,006		921		1,531		1,418
Expected Return on Assets																	Expected Return on Assets	(17,763)		(16,769)		—		—		—		—
Amortization of Prior Service Cost																	Amortization of Prior Service Cost	—		—		—		—		(4,300)		(4,299)
Amortization of Net Actuarial Loss																	Amortization of Net Actuarial Loss	5,899		8,185		425		465		2,297		2,830
Net Periodic Benefit Cost																	Net Periodic Benefit Cost	$	2,326	$	5,758	$	1,577	$	1,526	$	532	$	1,240

The following table includes the impact of regulation on the recognition of periodic benefit cost arising from pension and other postretirement benefits for the three and nine months ended ~~March 31,~~September 30, 2022 and 2021:


							Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	(in thousands)	2022		2021		(in thousands)	2022		2021		2022		2021

Net Periodic Benefit Cost	Net Periodic Benefit Cost	$	1,479	$	2,841	Net Periodic Benefit Cost	$	1,476	$	2,840	$	4,435	$	8,524
Net Amount Amortized (Deferred) Due to the Effect of Regulation	Net Amount Amortized (Deferred) Due to the Effect of Regulation	527		(115)		Net Amount Amortized (Deferred) Due to the Effect of Regulation	499		8		823		15
Net Periodic Benefit Cost Recognized	Net Periodic Benefit Cost Recognized	$	2,006	$	2,726	Net Periodic Benefit Cost Recognized	$	1,975	$	2,848	$	5,258	$	8,539

We had no minimum funding requirements for our ~~pension plan~~Pension Plan or any other postretirement benefit plans as of December 31, 2021, but made a discretionary contribution of $20.0 million to our ~~pension plan~~Pension Plan in February 2022.

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8. Income Taxes

The reconciliation of the statutory federal income tax rate to our effective tax rate for each of the three and nine months ended ~~March 31,~~September 30, 2022 and 2021 is as follows:


		Three Months Ended March 31,				Three Months Ended September 30,				Nine Months Ended September 30,
		2022		2021				2022		2021		2022		2021

Federal Statutory Rate	Federal Statutory Rate	21.0	%	21.0	%		Federal Statutory Rate	21.0	%	21.0	%	21.0	%	21.0	%
Increases (Decreases) in Tax from:	Increases (Decreases) in Tax from:						Increases (Decreases) in Tax from:
State Taxes on Income, Net of Federal Tax	State Taxes on Income, Net of Federal Tax	5.0		5.0			State Taxes on Income, Net of Federal Tax	5.0		5.0		5.0		5.0
Production Tax Credits (PTCs)	Production Tax Credits (PTCs)	(4.4)		(7.6)			Production Tax Credits (PTCs)	(3.6)		(5.0)		(4.1)		(6.0)
Amortization of Excess Deferred Income Taxes	Amortization of Excess Deferred Income Taxes	(1.3)		(2.9)			Amortization of Excess Deferred Income Taxes	(0.9)		(1.6)		(0.7)		(2.0)
Excess Tax Deduction on Stock Awards		(0.5)		(0.1)

North Dakota Wind Tax Credit Amortization, Net of Federal Tax	North Dakota Wind Tax Credit Amortization, Net of Federal Tax	(0.2)		(0.4)			North Dakota Wind Tax Credit Amortization, Net of Federal Tax	(0.1)		(0.2)		(0.2)		(0.3)
Corporate-Owned Life Insurance	Corporate-Owned Life Insurance	0.2		(0.5)			Corporate-Owned Life Insurance	0.2		(0.3)		0.4		(0.6)

Other, Net	Other, Net	(0.1)		0.3			Other, Net	(0.5)		(0.6)		0.1		(0.2)
Effective Tax Rate	Effective Tax Rate	19.7	%	14.8	%		Effective Tax Rate	21.1	%	18.3	%	21.5	%	16.9	%

9. Commitments and Contingencies

Commitments

Ashtabula III Purchase. On June 23, 2022, OTP exercised its option to acquire the Ashtabula III wind farm, a 62.4 megawatt wind farm located in eastern North Dakota, for $49.7 million, subject to certain closing adjustments. Since 2013, OTP has purchased the wind-generated electricity from the Ashtabula III wind farm pursuant to a purchase power agreement, and that agreement granted OTP the option to purchase the wind farm. The purchase has received regulatory approval. We anticipate the transaction will close, subject to certain customary closing conditions, in January 2023.

Contingencies

FERC ROE. In November 2013 and February 2015, customers filed complaints with the Federal Energy Regulatory Commission (FERC) seeking to reduce the return on equity (ROE) component of the transmission rates that Midcontinent Independent System Operator, Inc. (MISO) transmission owners, including OTP, may collect under the MISO tariff rate. FERC's most recent order, issued on November 19, 2020, adopted a revised ROE methodology and set the base ROE at 10.02% (10.52% with an adder) effective for the fifteen-month period from November 2013 to February 2015 and on a prospective basis beginning in September 2016. The order also dismissed any complaints covering the period from February 2015 to May 2016. ~~The~~On August 9, 2022, the U.S. Court of Appeals for the District of Columbia Circuit vacated the FERC order citing a lack of reasoned explanation by FERC in its adoption of its revised ROE methodology as outlined in its November 2020 ~~opinion~~order. The U.S. Court of Appeals remanded the matter to FERC to reopen the proceedings.

Significant uncertainty exists as to how FERC will proceed upon remand and there is ~~subject to judicial review.~~no prescribed timeline under which FERC must act. We have deferred recognition and recorded a refund liability of ~~$2.4~~$2.5 million as of ~~March 31,~~September 30, 2022. This refund liability reflects our best estimate of amounts previously collected from customers under the MISO tariff rate that may be required ~~refunds~~to be refunded to customers once all regulatory and judicial proceedings are ~~completed.~~complete and a final ROE is established for the periods outlined above.

Regional Haze Rule (RHR). The RHR was adopted in an effort to improve visibility in national parks and wilderness areas. The RHR requires states, in coordination with the Environmental Protection Agency (EPA) and other governmental agencies, to develop and implement plans to achieve natural visibility conditions. The second RHR implementation period covers the years 2018-2028. States are required to submit a state implementation plan to assess reasonable progress with the RHR and determine what additional emission reductions are appropriate, if any.

Coyote Station, OTP's jointly owned coal-fired power plant in North Dakota, is subject to assessment in the second implementation period under the North Dakota state implementation plan. ~~In September 2021, the~~The North Dakota Department of Environmental Quality (NDDEQ) ~~made public a draft of~~submitted its state implementation ~~plan. The~~ plan to the EPA for approval in August 2022. In its plan, the NDDEQ concluded it is not reasonable to require additional emission controls during this planning period. ~~In January 2022, prior to the submission to the~~The EPA ~~by the NDDEQ, the EPA provided preliminary comments on the draft North Dakota state~~

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~~implementation plan in which it~~has previously expressed disagreement with the NDDEQ's recommendation to forgo additional emission ~~controls. Following~~controls and has indicated that such a ~~consultation and public comment period, and any subsequent modifications~~plan is not likely to ~~the plan, the NDDEQ will submit its state implementation plan to the EPA for approval.~~be accepted.

We cannot predict with certainty the impact the state implementation plan may have on our business until the state implementation plan has been approved or otherwise acted on by the EPA. However, significant emission control investments could be required and the recovery of such costs from customers would require regulatory approval. Alternatively, investments in emission control equipment may prove to be uneconomic and result in the early retirement of or the sale of our interest in Coyote Station, subject to regulatory approval. We cannot estimate the ultimate financial effects such a retirement or sale may have on our consolidated operating results, financial position or cash flows, but such amounts could be material and the recovery of such costs in rates would be subject to regulatory approval.

Other Contingencies. We are party to litigation and regulatory matters arising in the normal course of business. We regularly analyze relevant information and, as necessary, estimate and record accrued liabilities for legal, regulatory enforcement and other matters in which a loss is probable of occurring and can be reasonably estimated. We believe the effect on our consolidated operating results, financial position and cash flows, if any, for the disposition of all matters pending as of ~~March 31,~~September 30, 2022, other than those discussed above, will not be material.

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10. Stockholders' Equity

Registration Statements

On May 3, 2021, we filed a shelf registration statement with the SEC under which we may offer for sale, from time to time, either separately or together in any combination, equity, debt or other securities described in the shelf registration statement. No new debt or equity has been issued pursuant to the registration statement. The registration statement expires in May 2024.

On May 3, 2021, we filed a second registration statement with the SEC for the issuance of up to 1,500,000 common shares under an Automatic Dividend Reinvestment and a Share Purchase Plan, which provides shareholders, retail customers of OTP and other interested investors methods of purchasing our common shares, by reinvesting their dividends or making optional cash investments. Shares purchased under the plan may be newly issued common shares or common shares purchased on the open market. During the ~~three~~nine months ended ~~March 31,~~September 30, 2022, we issued ~~36,104~~97,046 shares under this ~~program.~~plan. We repurchased a sufficient number of shares on the open market to satisfy issuance under the plan; accordingly no proceeds from the issuance were received. As of ~~March 31,~~September 30, 2022, there ~~was 1,348,716~~were 1,287,774 shares available for purchase or issuance under the plan. The registration statement expires in May 2024.

Dividend Restrictions

OTC is a holding company with no significant operations of its own. The primary source of funds for payments of dividends to ~~our~~OTC's shareholders is from dividends paid or distributions made by ~~our~~OTC's subsidiaries. As a result of certain statutory limitations or regulatory or financing agreements, ~~restrictions could occur on~~ the amount of distributions allowed to be made by ~~our subsidiaries.~~OTC's subsidiaries or the amount of dividends paid by OTC could be restricted. Both the OTC Credit Agreement and OTP Credit Agreement contain restrictions on the payment of cash dividends upon a default or event of default, including failure to maintain certain financial covenants. As of ~~March 31,~~September 30, 2022, we were in compliance with these financial covenants.

Under the Federal Power Act, a public utility may not pay dividends from any funds properly included in a capital account. What constitutes “funds properly included in a capital account” is undefined in the Federal Power Act or the related regulations; however, the FERC has consistently interpreted the provision to allow dividends to be paid as long as i) the source of the dividends is clearly disclosed, ii) the dividend is not excessive and iii) there is no self-dealing on the part of corporate officials.

The ~~Minnesota Public Utilities Commission (MPUC)~~MPUC indirectly limits the amount of dividends OTP can pay to ~~the Company~~OTC by requiring an equity-to-total-capitalization ratio between 48.0% and 58.7% based on OTP’s ~~most recent~~ capital structure petition effective by order of the MPUC on January 26, 2022. As of ~~March 31,~~September 30, 2022, OTP’s equity-to-total-capitalization ratio, including short-term debt, was ~~53.2%~~54.9% and its net assets restricted from distribution totaled approximately ~~$682.0~~$686.6 million. Under the MPUC order, ~~relating to the Company's 2021 capital structure petition,~~ total capitalization for OTP cannot exceed $1.7 billion.

1415

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11. Accumulated Other Comprehensive Income (Loss)

The following shows the changes in accumulated other comprehensive loss for the three and nine months ended ~~March 31,~~September 30, 2022 and 2021:


											Three Months Ended September 30,
											2022								2021
(in thousands)	(in thousands)	Pension and Other Postretirement Benefits			Net Unrealized Gain (Losses) on Available-for-Sale Securities			Total		(in thousands)	Pension and Other Postretirement Benefits			Net Unrealized Gains (Losses) on Available-for-Sale Securities			Total		Pension and Other Postretirement Benefits			Net Unrealized Gains (Losses) on Available-for-Sale Securities			Total
Balance, December 31, 2021		$	(6,537)		$	13		$	(6,524)
Balance, Beginning of Period										Balance, Beginning of Period	$	(6,621)		$	(292)		$	(6,913)	$	(8,425)		$	134		$	(8,291)
Other Comprehensive Loss Before Reclassifications, net of tax	Other Comprehensive Loss Before Reclassifications, net of tax	—			(231)			(231)		Other Comprehensive Loss Before Reclassifications, net of tax	—			(172)			(172)		—			(26)			(26)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	(190)		(1)	—		(2)	(190)		Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	106		(1)	1		(2)	107		146		(1)	—		(2)	146
Total Other Comprehensive Income (Loss)	Total Other Comprehensive Income (Loss)	(190)			(231)			(421)		Total Other Comprehensive Income (Loss)	106			(171)			(65)		146			(26)			120
Balance, March 31, 2022		$	(6,727)		$	(218)		$	(6,945)
Balance, End of Period										Balance, End of Period	$	(6,515)		$	(463)		$	(6,978)	$	(8,279)		$	108		$	(8,171)

Balance, December 31, 2020		$	(8,716)		$	209		$	(8,507)
											Nine Months Ended September 30,
											2022								2021
(in thousands)										(in thousands)	Pension and Other Postretirement Benefits			Net Unrealized Gains (Losses) on Available-for-Sale Securities			Total		Pension and Other Postretirement Benefits			Net Unrealized Gains (Losses) on Available-for-Sale Securities			Total
Balance, Beginning of Period										Balance, Beginning of Period	$	(6,537)		$	13		$	(6,524)	$	(8,716)		$	209		$	(8,507)
Other Comprehensive Loss Before Reclassifications, net of tax	Other Comprehensive Loss Before Reclassifications, net of tax	—			(32)			(32)		Other Comprehensive Loss Before Reclassifications, net of tax	—			(477)			(477)		—			(58)			(58)
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	150		(1)	(3)		(2)	147		Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)	22		(1)	1		(2)	23		437		(1)	(43)		(2)	394
Total Other Comprehensive Income (Loss)	Total Other Comprehensive Income (Loss)	150			(35)			115		Total Other Comprehensive Income (Loss)	22			(476)			(454)		437			(101)			336
Balance, March 31, 2021		$	(8,566)		$	174		$	(8,392)
Balance, End of Period										Balance, End of Period	$	(6,515)		$	(463)		$	(6,978)	$	(8,279)		$	108		$	(8,171)
(1) Included in the computation of net periodic pension and other postretirement benefit costs. See Note 7.	(1) Included in the computation of net periodic pension and other postretirement benefit costs. See Note 7.									(1) Included in the computation of net periodic pension and other postretirement benefit costs. See Note 7.
(2) Included in other income (expense), net on the accompanying consolidated statements of income.	(2) Included in other income (expense), net on the accompanying consolidated statements of income.									(2) Included in other income (expense), net on the accompanying consolidated statements of income.

12. Share-Based Payments

Stock Compensation Expense

Stock-based compensation expense arising from our employee stock purchase plan and share-based compensation plans, recognized within operating expenses in the consolidated statements of income, amounted to ~~$4.9~~$0.6 million and ~~$4.2~~$0.8 million for the three months ended ~~March 31,~~September 30, 2022 and 2021, respectively, and $6.1 million and $6.4 million for the nine months ended September 30, 2022 and 2021, respectively.

Restricted Stock Awards. We grant restricted stock awards to members of our Board of Directors and restricted stock units to certain key employees. The awards vest, depending on award type and recipient, either ratably over periods of three or four years or cliff vest after four years. Vesting is accelerated in certain circumstances, including on retirement.

The following is a summary of stock award activity for the ~~three~~nine months ended ~~March 31,~~September 30, 2022:


		Shares	Weighted Average Grant-Date Fair Value			Shares	Weighted Average Grant-Date Fair Value

Nonvested, January 1, 2022	Nonvested, January 1, 2022	138,093	$	44.48	Nonvested, January 1, 2022	138,093	$	44.48
Granted	Granted	15,842	61.39		Granted	51,439	59.96
Vested	Vested	(18,969)	46.49		Vested	(47,981)	45.30
Forfeited	Forfeited	—	—		Forfeited	—	—
Nonvested, March 31, 2022		134,966	$	46.18
Nonvested, September 30, 2022					Nonvested, September 30, 2022	141,551	$	49.83

The fair value of vested awards was ~~$1.2~~$3.0 million and ~~$0.7~~$2.1 million during the ~~three~~nine months ended ~~March 31,~~September 30, 2022 and 2021, respectively.

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Stock Performance Awards. Stock performance awards are granted to executive officers and certain other key employees. The awards vest at the end of a ~~three year~~three-year performance period. The number of common shares awarded, if any, at the end of the performance period ranges from zero to 150% of the target amount based on two performance measures: i) total shareholder return relative to a peer group and ii) return on equity. Vesting of the awards is accelerated in certain circumstances, including on retirement. The amount of common shares awarded on an accelerated vesting is based either on actual performance at the end of the performance period or the amount of common shares earned at target.

The grant date fair value of stock performance awards granted during the ~~three~~nine months ended ~~March 31,~~September 30, 2022 and 2021 was determined using a Monte Carlo fair value simulation model incorporating the following assumptions:


	2022		2021

Risk-free interest rate	1.52	%	0.18	%
Expected term (in years)	3.00		3.00
Expected volatility	32.00	%	32.00	%
Dividend yield	2.90	%	3.60	%

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The risk-free interest rate was derived from yields on U.S. government bonds of a similar term. The expected term of the award is equal to the three-year performance period. Expected volatility was estimated based on actual historical volatility of our common stock. Dividend yield was estimated based on historic and future yield estimates.

The following is a summary of stock performance award activity for the ~~three~~nine months ended ~~March 31,~~September 30, 2022 (share amounts reflect awards at target):


		Shares	Weighted Average Grant-Date Fair Value			Shares	Weighted Average Grant-Date Fair Value

Nonvested, January 1, 2022	Nonvested, January 1, 2022	189,600	$	42.54	Nonvested, January 1, 2022	189,600	$	42.54
Granted	Granted	55,800	54.91		Granted	55,800	54.91
Vested	Vested	(55,600)	43.30		Vested	(55,600)	43.30
Forfeited	Forfeited	—	—		Forfeited	—	—
Nonvested, March 31, 2022		189,800	$	45.95
Nonvested, September 30, 2022					Nonvested, September 30, 2022	189,800	$	45.95

The fair value of vested awards was $5.1 million and $2.5 million during the ~~three~~nine months ended ~~March 31,~~September 30, 2022 and 2021, respectively.

13. Earnings Per Share

The numerator used in the calculation of both basic and diluted earnings per common share is net income. The denominator used in the calculation of basic earnings per common share is the weighted average number of common shares outstanding during the period. The denominator used in the calculation of diluted earnings per common share is derived by adjusting basic shares outstanding for the dilutive effect of potential common shares outstanding, which consist of time and performance based stock awards and employee stock purchase plan shares.

The following includes the computation of the denominator for basic and diluted weighted-average shares outstanding for the three and nine months ended ~~March 31,~~September 30, 2022 and 2021:


		Three Months Ended March 31,		Three Months Ended September 30,			Nine Months Ended September 30,
(in thousands)	(in thousands)	2022	2021		(in thousands)	2022	2021	2022	2021

Weighted Average Common Shares Outstanding – Basic	Weighted Average Common Shares Outstanding – Basic	41,548	41,455		Weighted Average Common Shares Outstanding – Basic	41,600	41,504	41,582	41,487
Effect of Dilutive Securities:	Effect of Dilutive Securities:				Effect of Dilutive Securities:
Stock Performance Awards	Stock Performance Awards	219	143		Stock Performance Awards	276	262	251	209
Restricted Stock Awards	Restricted Stock Awards	102	85		Restricted Stock Awards	97	88	96	82
Employee Stock Purchase Plan Shares and Other	Employee Stock Purchase Plan Shares and Other	2	17		Employee Stock Purchase Plan Shares and Other	1	15	1	17
Dilutive Effect of Potential Common Shares	Dilutive Effect of Potential Common Shares	323	245		Dilutive Effect of Potential Common Shares	374	365	348	308
Weighted Average Common Shares Outstanding – Diluted	Weighted Average Common Shares Outstanding – Diluted	41,871	41,700		Weighted Average Common Shares Outstanding – Diluted	41,974	41,869	41,930	41,795

The amount of shares excluded from diluted weighted-average common shares outstanding because such shares were anti-dilutive was not material for the three and nine months ended ~~March 31,~~September 30, 2022 and 2021.

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14. Derivative Instruments

OTP enters into derivative instruments to manage its exposure to future price variability and reduce volatility in prices for our retail customers. These derivative instruments are not designated as qualifying hedging transactions but provide for an economic hedge against future price variability. The instruments are recorded at fair value on the consolidated balance sheets. In accordance with rate-making and cost recovery processes, we recognize a regulatory asset or liability to defer losses or gains from derivative activity until settlement of the associated derivative instrument.

As of ~~March 31,~~September 30, 2022, OTP had outstanding pay-fixed, receive-variable swap agreements with an aggregate notional amount of 156,800 megawatt-hours of electricity, which will be settled periodically throughout 2022 and 2023. As of ~~March 31,~~September 30, 2022, the fair value of these derivative instruments was ~~$4.2~~$5.4 million, of which $5.5 million is included in other current assets and ~~$0.2~~$0.1 million, which is included in other noncurrent liabilities, on the consolidated balance sheets. As of December 31, 2021, the fair value of these types of derivative contracts was $6.2 million, which is included in other current assets. ~~During~~No contracts settled during the three months ended ~~March 31,~~September 30, 2022. During the nine months ended September 30, 2022, contracts matured and were settled in an aggregate amount of $2.8 million. There were no contracts settled during the three or nine months ended September 30, 2021.

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15. Fair Value Measurements

The following tables present our assets and liabilities measured at fair value on a recurring basis as of ~~March 31,~~September 30, 2022 and December 31, 2021 classified by the input method used to measure fair value:


(in thousands)								(in thousands)	Level 1		Level 2		Level 3
		Level 1		Level 2		Level 3

March 31, 2022
September 30, 2022								September 30, 2022
Assets:	Assets:							Assets:
Investments:	Investments:							Investments:
Money Market Funds	Money Market Funds	$	1,893	$	—	$	—	Money Market Funds	$	1,854	$	—	$	—
Mutual Funds	Mutual Funds	6,285		—		—		Mutual Funds	5,084		—		—
Corporate Debt Securities	Corporate Debt Securities	—		1,367		—		Corporate Debt Securities	—		1,424		—
Government-Backed and Government-Sponsored Enterprises’ Debt Securities	Government-Backed and Government-Sponsored Enterprises’ Debt Securities	—		7,592		—		Government-Backed and Government-Sponsored Enterprises’ Debt Securities	—		7,286		—
Derivative Instruments	Derivative Instruments	—		4,179		—		Derivative Instruments	—		5,532		—
Total Assets	Total Assets	$	8,178	$	13,138	$	—	Total Assets	$	6,938	$	14,242	$	—
Liabilities:	Liabilities:							Liabilities:
Derivative Instruments	Derivative Instruments	$	—	$	198	$	—	Derivative Instruments	$	—	$	169	$	—
Total Liabilities	Total Liabilities	$	—	$	198	$	—	Total Liabilities	$	—	$	169	$	—

December 31, 2021	December 31, 2021							December 31, 2021
Assets:	Assets:							Assets:
Investments:	Investments:							Investments:
Money Market Funds	Money Market Funds	$	949	$	—	$	—	Money Market Funds	$	949	$	—	$	—
Mutual Funds	Mutual Funds	5,432		—		—		Mutual Funds	5,432		—		—
Corporate Debt Securities	Corporate Debt Securities	—		1,333		—		Corporate Debt Securities	—		1,333		—
Government-Backed and Government-Sponsored Enterprises’ Debt Securities	Government-Backed and Government-Sponsored Enterprises’ Debt Securities	—		7,869		—		Government-Backed and Government-Sponsored Enterprises’ Debt Securities	—		7,869		—
Derivative Instruments	Derivative Instruments	—		6,214		—		Derivative Instruments	—		6,214		—
Total Assets	Total Assets	$	6,381	$	15,416	$	—	Total Assets	$	6,381	$	15,416	$	—

Level 1 fair value measurements are based on quoted prices (unadjusted) in active markets for identical assets or liabilities that we have the ability to access at the measurement date.

The level 2 fair value measurements for government-backed and government-sponsored enterprises and corporate debt securities are determined on the basis of valuations provided by a third-party pricing service which utilizes industry accepted valuation models and observable market inputs to determine valuation. Some valuations or model inputs used by the pricing service may be based on broker quotes.

The level 2 fair value measurements for derivative instruments are determined by using inputs such as forward electric commodity prices, adjusted for location differences. These inputs are observable in the marketplace throughout the full term of the instrument, can be derived from observable data, or are supported by observable levels at which transactions are executed in the marketplace.

In addition to assets recorded at fair value on a recurring basis, we also hold financial instruments that are not recorded at fair value in the consolidated balance sheets but for which disclosure of the fair value of these financial instruments is provided.

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The following reflects the carrying value and estimated fair value of these assets and liabilities as of ~~March 31,~~September 30, 2022 and December 31, 2021:

March 31, 2022 December 31, 2021
(in thousands) Carrying
Amount Fair Value Carrying
Amount Fair Value
Assets:
Cash and Cash Equivalents $ 1,371 $ 1,371 $ 1,537 $ 1,537
Total 1,371 1,371 1,537 1,537
Liabilities:
Short-Term Debt 97,770 97,770 91,163 91,163
Long-Term Debt 764,064 781,531 763,997 878,272
Total $ 861,834 $ 879,301 $ 855,160 $ 969,435

~~Table of Contents~~


	September 30, 2022				December 31, 2021
(in thousands)	Carrying Amount		Fair Value		Carrying Amount		Fair Value

Assets:
Cash and Cash Equivalents	$	72,987	$	72,987	$	1,537	$	1,537
Total	72,987		72,987		1,537		1,537
Liabilities:
Short-Term Debt	—		—		91,163		91,163
Long-Term Debt	823,760		679,360		763,997		878,272
Total	$	823,760	$	679,360	$	855,160	$	969,435

The following methods and assumptions were used to estimate the fair value of each class of financial instruments for which it is practicable to estimate that value:

Cash Equivalents: The carrying amount approximates fair value because of the short-term maturity of those instruments.

Short-Term Debt: The carrying amount approximates fair value because the debt obligations are short-term and the balances outstanding are subject to variable rates of interest which reset frequently, a Level 2 fair value input.

Long-Term Debt: The fair value of long-term debt is estimated based on current market indications for borrowings of similar maturities, a Level 2 fair value input.

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ITEM 2.			MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

You should read the following discussion and analysis of our financial condition and results of operations together with our interim financial statements and the related notes appearing under Item 1 of this Quarterly Report on Form 10-Q, and our annual financial statements and the related notes along with the discussion and analysis of our financial condition and results of operations contained in our Annual Report on Form 10-K for the year ended December 31, 2021.

Otter Tail Corporation and its subsidiaries form a diverse group of businesses with operations classified into three segments: Electric, Manufacturing and Plastics. Our Electric segment business is a vertically integrated, regulated utility with generation, transmission and distribution facilities to serve our customers in western Minnesota, eastern North Dakota and northeastern South Dakota. Our Manufacturing segment provides metal fabrication for custom machine parts and metal components and manufactures extruded and thermoformed plastic products. Our Plastics segment manufactures PVC pipe for use in, among other applications, municipal and rural water, wastewater, and water reclamation projects.

~~COVID-19~~

We continue to monitor the progression of COVID-19 and its impact on our business. As this pandemic continues, we are following the directives and advice of government leaders and medical professionals and have adopted practices to help curtail the spread of the virus and mitigate its impact on our employees, customers, vendors and other business partners, and communities in which we live and work.

While the impact of COVID-19 did not materially impact our operating results in 2021 or the first quarter of 2022, uncertainty remains regarding the magnitude and duration of the pandemic and the resulting potential future financial effects. Increased infection rates and any future responses to mitigate the spread of the virus, including any potential vaccination mandates that would apply to our employees, could impact our business and our financial results in future periods. We continue to monitor developments involving our workforce, customers, construction contractors, suppliers and vendors, and the financial effects on our business. However, due to the unprecedented and evolving nature of this pandemic, we cannot predict the full extent of the impact COVID-19 will have on our operating results, financial condition and liquidity.

~~RESOURCE MATERIAL~~STEEL AVAILABILITY AND PRICING

~~The cost of steel and PVC resin, two~~Steel is a key material ~~inputs~~input to ~~our Manufacturing and Plastics segments, respectively, significantly impacted our operating results in the first quarter of 2022.~~

~~Steel prices increased rapidly throughout 2021 and remained elevated in the first quarter of 2022. The increase in steel prices has led to increased sale prices for our products at~~ BTD Manufacturing, Inc. (BTD), our metal fabrication business within our Manufacturing ~~segment,~~segment. Steel prices increased rapidly throughout 2021, peaking in the fourth quarter at historically high levels. Steel prices have been highly volatile in 2022, but began to steadily decline at the end of the second quarter and continued to decline throughout the third quarter. The increase in steel prices in the first half of 2022 led to increased sale prices for our products at BTD as we passed along material cost increases to our customers. Consistent with steel prices, scrap metal prices also increased throughout 2021 and remained elevated in the first half of 2022, positively impacting our financial results during this period, but began to decline at the end of the second quarter and declined sharply in the third quarter of 2022. ~~Steel costs remain elevated as mill prices~~We expect steel and ~~supply chain costs remain significantly higher than historical levels. While steel costs are expected to moderate through 2022, they are expected to remain historically high through the year. Scrap~~scrap metal prices ~~are also expected~~ to ~~moderate throughout~~decline modestly in the fourth quarter of 2022 and be near historical levels by the end of the year.

PVC PIPE SUPPLY AND DEMAND CONDITIONS

PVC resin is the primary material input of the PVC pipe manufactured by our Plastics segment businesses. Resin supply disruptions throughout 2021, along with robust domestic and global demand for PVC resin, led to significantly increased resin prices. ~~Resin supply~~Supply disruptions for resin and other additives and ingredients used in the manufacturing process also resulted in reduced manufacturing of PVC pipe and low pipe inventories across the industry. ~~The~~This combination of disrupted ~~PVC resin~~raw material supply and the resulting low PVC pipe inventories along with robust demand for PVC pipe led to rapidly increasing sale prices for PVC pipe throughout 2021 ~~which continued in~~and the first ~~quarter~~half of 2022. The increase in sale prices has outpaced the increase in PVC resin costs, leading to expanding gross profit ~~margins~~margins. Beginning in the third quarter of 2022, demand for PVC pipe began to decline as multiple, larger than anticipated, resin price reductions caused PVC pipe distributors and contractors to reduce purchase volumes in an effort to reduce inventory levels.

The unique market dynamics experienced by our Plastics segment businesses in 2021 and thus far in 2022 have resulted in a significant increase in earnings in our Plastics segment. While PVC resin supplies have improved, the price of PVC resin is now increasing again, driven by rising feedstock prices from energy supply disruptions resulting from the conflict in Ukraine. This has created an environment for U.S. resin producerscompared to raise domestic prices and a strengthening of the export markets for PVC resin. In addition, beginning in the second half of 2021 and continuing in the first quarter of 2022, supply constraints for additives and other ingredients aside from PVC resin used to manufacture PVC pipe prevented PVC pipe manufacturers from being able to build inventory levels.

prior periods. We currently expect ~~the unique market dynamics we experienced in 2021 and the first quarter~~earnings of 2022 to continue through the second quarter of 2022, but begin to subside in the second half of 2022 due to anticipated resin price declines and slowing demand, thus impacting our gross profit margins. Should current market conditions continue through the second half of 2022, our Plastics segment ~~financial results could exceed current expectations.~~to remain elevated relative to historical levels through the end of 2022 and into 2023, but as the industry supply and demand conditions normalize we expect segment earnings to normalize beginning in 2024.

The marketplace dynamics impacting both our Manufacturing and Plastics segments are fluid and subject to change which may impact our operating results prospectively.


RESULTS OF OPERATIONS – QUARTER TO DATE

Provided below is a summary and discussion of our operating results on a consolidated basis followed by a discussion of the operating results of each of our segments: Electric, Manufacturing and Plastics. In addition to the segment results, we provide an overview of our Corporate costs. Our Corporate costs do not constitute a reportable segment but rather consist of unallocated general corporate expenses, such as corporate staff and overhead costs, the results of our captive insurance company and other items excluded from the measurement of segment performance. Corporate costs are added to operating segment totals to reconcile to totals on our consolidated statements of income.

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CONSOLIDATED RESULTS

The following table summarizes consolidated operating results for the three months ended ~~March 31,~~September 30, 2022 and 2021:


(in thousands)	(in thousands)	2022		2021		$ change		% change		(in thousands)	2022		2021		$ change		% change

Operating Revenues	Operating Revenues	$	374,904	$	261,710	$	113,194	43.3	%	Operating Revenues	$	383,856	$	316,294	$	67,562	21.4	%
Operating Expenses	Operating Expenses	276,605		217,511		59,094		27.2		Operating Expenses	267,723		241,766		25,957		10.7
Operating Income	Operating Income	98,299		44,199		54,100		122.4		Operating Income	116,133		74,528		41,605		55.8
Interest Charges	Interest Charges	8,948		9,398		(450)		(4.8)		Interest Charges	9,259		9,648		(389)		(4.0)
Nonservice Cost Components of Postretirement Benefits	Nonservice Cost Components of Postretirement Benefits	(22)		383		(405)		(105.7)		Nonservice Cost Components of Postretirement Benefits	(52)		505		(557)		(110.3)
Other Income		260		1,160		(900)		(77.6)
Other Income (Expense)										Other Income (Expense)	(174)		203		(377)		(185.7)
Income Before Income Taxes	Income Before Income Taxes	89,633		35,578		54,055		151.9		Income Before Income Taxes	106,752		64,578		42,174		65.3
Income Tax Expense	Income Tax Expense	17,630		5,249		12,381		235.9		Income Tax Expense	22,513		11,824		10,689		90.4
Net Income	Net Income	$	72,003	$	30,329	$	41,674	137.4	%	Net Income	$	84,239	$	52,754	$	31,485	59.7	%

Operating Revenues increased ~~$113.2~~$67.6 million primarily due to ~~rising~~increases in PVC pipe sale prices within our Plastics segment and increased ~~material~~retail revenues within our Electric segment. PVC pipe sale prices increased due to the unique industry supply and demand dynamics described above. In our Electric segment, increased fuel recovery revenues, driven by higher fuel and purchased power costs, ~~leading~~and increased commercial and industrial sales volumes contributed to higher operating revenues. In addition, increased sales ~~prices~~volumes resulted in increased operating revenues in our Manufacturing segment. Increased retail revenues partially offset by decreased wholesales revenues within our Electric segment also contributed to higher operating revenues in the first quarter of 2021 compared to the same period last year. See our segment disclosures below for additional discussion of items impacting operating revenues.

Operating Expenses increased ~~$59.1~~$26.0 million primarily due to increased purchased power and fuel costs ~~of products sold~~ in our ~~Plastics and Manufacturing segments due to increased raw material costs.~~Electric segment. Operating expenses in our ~~Electric~~Manufacturing segment increased primarily due to ~~higher~~increased sales volumes. These increases were partially offset by a decrease in operating ~~and maintenance~~ expenses ~~and increased purchased power costs.~~in our Plastics segment, due to lower sales volumes. See our segment disclosures below for additional discussion of items impacting operating expenses.

Interest Charges decreased ~~$0.5~~$0.4 million due to a decrease in the interest rate on our $140.0 million of fixed-rate long-term debt that was refinanced in December 2021, and a lower level of average short-term borrowings outstanding in 2022 compared to 2021.

Nonservice Cost Components of Postretirement Benefits decreased ~~$0.4~~$0.6 million primarily due to the amortization of actuarial gains resulting from the increase in the discount rates used to measure our pension benefit and postretirement benefit liabilities as of December 31, 2021.

Other Income decreased ~~$0.9~~$0.4 million primarily due to investment losses on our corporate-owned life insurance policies and other investments during the ~~first~~third quarter of 2022 compared to investment gains in the same period of the previous year.

Income Tax Expense increased ~~$12.4~~$10.7 million primarily due to increased income before income taxes. Our effective tax rate was ~~19.7%~~21.1% in the ~~first~~third quarter of 2022 and ~~14.8%~~18.3% in the ~~first~~third quarter of 2021. The increase in our effective tax rate was driven by an increase in our income before income taxes without a corresponding increase in tax credits and other permanent differences that impact our effective tax rate. See Note 8 to our consolidated financial statements included in this Quarterly Report on Form 10-Q for additional information regarding factors impacting our effective tax rate in 2022 and 2021.

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ELECTRIC SEGMENT RESULTS

The following table summarizes Electric segment operating results for the three months ended ~~March 31,~~September 30, 2022 and 2021:

(in thousands) 2022 2021 $ change % change
Retail Revenues $ 113,639 $ 105,706 $ 7,933 7.5 %
Transmission Services Revenues 12,556 11,944 612 5.1
Wholesale Revenues 2,463 4,507 (2,044) (45.4)
Other Electric Revenues 1,758 1,542 216 14.0
Total Operating Revenues 130,416 123,699 6,717 5.4
Production Fuel 14,853 14,714 139 0.9
Purchased Power 20,529 19,260 1,269 6.6
Operating and Maintenance Expenses 44,278 41,421 2,857 6.9
Depreciation and Amortization 18,382 17,308 1,074 6.2
Property Taxes 4,432 4,320 112 2.6
Operating Income $ 27,942 $ 26,676 $ 1,266 4.7 %
2022 2021 change % change
Electric kilowatt-hour (kwh) Sales (in thousands)

Retail kwh Sales 1,515,297 1,348,519 166,778 12.4 %
Wholesale kwh Sales – Company Generation 66,187 80,423 (14,236) (17.7)
Heating Degree Days 3,821 3,078 743 24.1

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(in thousands)	2022		2021		$ change		% change

Retail Revenues	$	120,177	$	96,438	$	23,739	24.6	%
Transmission Services Revenues	13,156		13,300		(144)		(1.1)
Wholesale Revenues	7,196		6,944		252		3.6
Other Electric Revenues	2,218		2,093		125		6.0
Total Operating Revenues	142,747		118,775		23,972		20.2
Production Fuel	24,972		17,698		7,274		41.1
Purchased Power	19,913		9,878		10,035		101.6
Operating and Maintenance Expenses	39,799		36,465		3,334		9.1
Depreciation and Amortization	17,669		17,874		(205)		(1.1)
Property Taxes	4,438		4,474		(36)		(0.8)
Operating Income	$	35,956	$	32,386	$	3,570	11.0	%

	2022		2021		change		% change

Electric kilowatt-hour (kwh) Sales (in thousands)
Retail kwh Sales	1,275,051		1,076,580		198,471		18.4	%
Wholesale kwh Sales – Company Generation	99,890		174,187		(74,297)		(42.7)
Heating Degree Days	22		3		19		633.3
Cooling Degree Days	376		463		(87)		(18.8)

The operating results of our Electric segment are impacted by fluctuations in weather conditions and the resulting demand for electricity for heating and cooling. The following table shows heating and cooling degree days as a percent of normal for the three months ended ~~March 31,~~September 30, 2022 and 2021.

2022 2021
Heating Degree Days 111.8 % 89.5 %


	2022		2021

Heating Degree Days	43.1	%	5.8	%
Cooling Degree Days	108.4	%	132.7	%

The following table summarizes the estimated effect on diluted earnings per share of the difference in retail kwh sales under actual weather conditions and expected retail kwh sales under normal weather conditions in 2022 and 2021, and between years.

2022 vs
Normal
2022 vs
2021
2021 vs
Normal
Effect on Diluted Earnings Per Share $ 0.04 $ 0.08 $ (0.04)


	2022 vs Normal		2022 vs 2021		2021 vs Normal

Effect on Diluted Earnings Per Share	$	0.01	$	(0.02)	$	0.03

Retail Revenues increased ~~$7.9~~$23.7 million primarily due to the following:

•A ~~$4.4~~$16.0 million increase in fuel recovery revenues due to increased production fuel and purchased power costs as described below.

•A $4.3 million increase in retail revenues from increased sales volumes from commercial and industrial customers, including the ~~favorable~~ impact of a new commercial customer load in North Dakota.

•A $1.2 million decrease in consumption from the impact of unfavorable weather in the ~~first~~third quarter of 2022 compared to the same period last year.

Retail revenues in the third quarter of 2021 were negatively impacted by adjustments to our estimated interim rate refund.

Production Fuel costsincreased $7.3 million primarily as a result of a 28% increase in fuel cost per kwh. Increased generation from our fuel-burning plants in the third quarter of 2022, as compared to the same period last year, also contributed to the increase in production fuel costs.

Purchased Power costs to serve retail customers increased $10.0 million due to a 45% increase in the price of purchased power per kwh, resulting from increased natural gas and market energy prices, and a 39% increase in the volume of purchased power due to increased customer demand.

Operating and MaintenanceExpense increased $3.3 million primarily due to an increase in maintenance activities, including our planned outage at Coyote Station, maintenance at our wind farm facilities, and vegetation management, as well as increased transmission tariff expenses.

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MANUFACTURING SEGMENT RESULTS

The following table summarizes Manufacturing segment operating results for the three months ended September 30, 2022 and 2021:


(in thousands)	2022		2021		$ change		% change

Operating Revenues	$	98,767	$	89,977	$	8,790	9.8	%
Cost of Products Sold (excluding depreciation)	77,764		70,148		7,616		10.9
Other Operating Expenses	8,627		10,161		(1,534)		(15.1)
Depreciation and Amortization	3,996		3,794		202		5.3
Operating Income	$	8,380	$	5,874	$	2,506	42.7	%

Operating Revenues increased $8.8 million primarily due to a 17% increase in sales volumes at BTD, partially offset by lower steel prices, which resulted in a $5.4 million decrease in material costs that are passed through to customers. Declines in scrap metal prices resulted in a $1.3 million decrease in scrap revenue. End market demand remains strong, however, supply chain disruptions experienced by our customers have continued to cause unpredictable shipments of our products to our customers. Increases in sales prices and volumes at T.O. Plastics, due to continued strong customer demand, also contributed to the segment increase in operating revenues.

Cost of Products Sold increased $7.6 million primarily due to higher sales volumes, as described above, as well as increased labor costs, partially offset by favorable cost absorption and decreased material costs related to lower steel prices.

Other Operating Expenses decreased $1.5 million primarily due to decreased incentive compensation costs based on current year financial performance relative to established targets.

PLASTICS SEGMENT RESULTS

The following table summarizes Plastics segment operating results for the three months ended September 30, 2022 and 2021:


(in thousands)	2022		2021		$ change		% change

Operating Revenues	$	142,342	$	107,542	$	34,800	32.4	%
Cost of Products Sold (excluding depreciation)	61,597		64,064		(2,467)		(3.9)
Other Operating Expenses	3,921		3,832		89		2.3
Depreciation and Amortization	1,023		1,099		(76)		(6.9)
Operating Income	$	75,801	$	38,547	$	37,254	96.6	%

Operating Revenues increased $34.8 million due to a 57% increase in the price per pound of PVC pipe sold, as sales prices remain high due to extraordinary market conditions. Demand for PVC pipe began to soften during the third quarter as customers started to consume high priced inventory instead of buying additional PVC pipe. Sales volumes for the quarter decreased 15% due to softening customer demand.

Cost of Products Sold decreased $2.5 million primarily due to decreased sales volumes, as described above, partially offset by increased PVC resin and other input material costs, which increased 14.5% due to the market conditions described above. Resin prices in the third quarter of 2022 increased compared to the same period in the previous year, but decreased compared to the second quarter of 2022.

CORPORATE COSTS

The following table summarizes Corporate operating results for the three months ended September 30, 2022 and 2021:


(in thousands)	2022		2021		$ change		% change

Other Operating Expenses	$	3,976	$	2,231	$	1,745	78.2	%
Depreciation and Amortization	28		48		(20)		(41.7)
Operating Loss	$	4,004	$	2,279	$	1,725	75.7	%

Other Operating Expenses increased $1.7 million primarily due to increased employee health care costs and increased professional service costs.

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RESULTS OF OPERATIONS – YEAR TO DATE

CONSOLIDATED RESULTS

The following table summarizes consolidated operating results for the nine months ended September 30, 2022 and 2021:


(in thousands)	2022		2021		$ change		% change

Operating Revenues	$	1,158,800	$	863,612	$	295,188	34.2	%
Operating Expenses	823,302		685,063		138,239		20.2
Operating Income	335,498		178,549		156,949		87.9
Interest Charges	27,198		28,601		(1,403)		(4.9)
Nonservice Cost Components of Postretirement Benefits	(824)		1,511		(2,335)		(154.5)
Other Income	(802)		2,095		(2,897)		(138.3)
Income Before Income Taxes	308,322		150,532		157,790		104.8
Income Tax Expense	66,143		25,380		40,763		160.6
Net Income	$	242,179	$	125,152	$	117,027	93.5	%

Operating Revenues increased $295.2 million primarily due to higher PVC pipe prices within our Plastics segment and increased sales volumes and material costs, which resulted in higher sales prices, in our Manufacturing segment. Increased retail revenues within our Electric segment due to increased fuel recovery revenues, increased sales volumes from commercial and industrial customers, and favorable weather impacts also contributed to the higher operating revenues in 2022. See our segment disclosures below for additional discussion of items impacting operating revenues.

Operating Expenses increased $138.2 million due to increased expenses across all three of our operating segments. Operating expenses in our Electric segment increased primarily from higher purchased power costs due to an increase in the volume and cost of purchased power, increased production fuel costs, and higher operating and maintenance expenses, due to increased planned outage maintenance costs, increased labor costs related to various maintenance activities, and increased transmission tariff expenses. Operating expenses in our Manufacturing segment increased primarily due to higher material costs, largely driven by higher steel prices and higher sales volumes at BTD. Operating expenses in our Plastics segment increased primarily due to increased PVC resin and other input costs, partially offset by decreased sales volumes. See our segment disclosures below for additional discussion of items impacting operating expenses.

Interest Charges decreased $1.4 million due to a lowering of our average interest rate on our long-term debt as a result of refinancing activity in 2021 and 2022, and a decrease in our average short-term borrowings compared to the previous year.

Nonservice Cost Components of Postretirement Benefits decreased $2.3 million primarily due to the amortization of actuarial gains resulting from the increase in the discount rates used to measure our pension benefit and postretirement benefit liabilities as of December 31, 2021.

Other Income decreased $2.9 million primarily due to investment losses on our corporate-owned life insurance policies and other investments during the nine months ended September 30, 2022 compared to investment gains in the same period last year.

Income Tax Expense increased $40.8 million primarily due to increased income before income taxes. Our effective tax rate was 21.5% for the nine months ended September 30, 2022 and 16.9% for the same period in the previous year. The increase in our effective tax rate was driven by an increase in our income before income taxes without a corresponding increase in tax credits and other permanent differences that impact our effective tax rate. See Note 8 to our consolidated financial statements included in the report on Form 10-Q for additional information regarding factors impacting our effective tax rate.

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ELECTRIC SEGMENT RESULTS

The following table summarizes Electric segment operating results for the nine months ended September 30, 2022 and 2021:


(in thousands)	2022		2021		$ change		% change

Retail Revenues	$	347,419	$	291,130	$	56,289	19.3	%
Transmission Services Revenues	37,409		37,085		324		0.9
Wholesale Revenues	13,196		14,711		(1,515)		(10.3)
Other Electric Revenues	6,088		5,703		385		6.8
Total Operating Revenues	404,112		348,629		55,483		15.9
Production Fuel	54,538		44,576		9,962		22.3
Purchased Power	64,604		40,273		24,331		60.4
Operating and Maintenance Expenses	126,460		114,615		11,845		10.3
Depreciation and Amortization	54,441		53,335		1,106		2.1
Property Taxes	13,304		13,136		168		1.3
Operating Income	$	90,765	$	82,694	$	8,071	9.8	%

	2022		2021		change		% change

Electric kilowatt-hour (kwh) Sales (in thousands)
Retail kwh Sales	4,076,769		3,511,730		565,039		16.1	%
Wholesale kwh Sales – Company Generation	222,591		358,761		(136,170)		(38.0)
Heating Degree Days	4,559		3,614		945		26.1
Cooling Degree Days	530		700		(170)		(24.3)


	2022		2021

Heating Degree Days	114.0	%	89.9	%
Cooling Degree Days	113.7	%	150.9	%


	2022 vs Normal		2022 vs 2021		2021 vs Normal

Effect on Diluted Earnings Per Share	$	0.08	$	0.06	$	0.02

Retail Revenues increased $56.3 million primarily due to the following:

•A ~~$3.6~~$35.0 million increase in fuel recovery revenues primarily due to increased purchased power and production fuel ~~and purchase power~~ costs, as described below, and a decrease in credits provided to retail customers from decreased margins recognized on wholesale sales.

•A ~~$2.3~~$11.5 million increase in retail revenues from increased sales volumes from commercial and industrial ~~customers.~~customers, including the impact of a new commercial customer load in North Dakota.

•A ~~$2.4~~$4.1 million ~~decrease~~increase in interim rate revenue due to the finalization of the interim rate refund, as approved by the MPUC in ~~Minnesota~~the second quarter of 2022.

•A $3.0 million increase in revenues from the favorable impact of weather in the first nine months of 2022 compared to the same period last year.

Retail revenues also benefited from increased transmission, renewable and phase-in rider revenue in the first nine months of 2022. These increases were partially offset by a decrease in conservation improvement program (CIP) revenue as a result of ~~our April 2021 filing with the MPUC~~decreased CIP spending and related cost recovery. Retail revenues in ~~which we lowered our requested net annual revenue increase, primarily due to a reduction in operating costs from amounts included in our original filing.~~

~~Wholesale Revenues~~ ~~decreased $2.0 million as a result of a 18% decrease in wholesale sales volumes and a 34% decrease in wholesale prices. Wholesale energy sales in the first quarter of~~ 2021 were ~~comparatively higher due~~negatively impacted by adjustments to ~~high prices driven by high market demand and availability constraints caused by winter storm activity, which drove up spot market prices for electricity.~~our estimated interim rate refund.

Production Fuel costs increased ~~$0.1~~$10.0 million asdue to a ~~result of increased~~32% increase in fuel cost per kwh, which was ~~largely~~partially offset by a ~~15%~~ decrease in kwhs generated from our fuel-burning plants due to our planned outage at Coyote Station in 2022 and the retirement of ~~our coal-burning~~ Hoot Lake Plant in May 2021.

Purchased Powercosts to serve retail customers increased ~~$1.3~~$24.3 million ~~primarily~~ due to a ~~59%~~44% increase in the volume of purchased power, resulting from the planned outage at Coyote Station, the retirement of Hoot Lake Plant and increased customer demand, ~~due to cold weather, partially offset by a decrease~~and an 11% increase in the price of purchased ~~power.~~power per kwh, resulting from increased natural gas and market energy prices.

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Operating and MaintenanceExpense increased ~~$2.9~~$11.8 million, primarily due ~~to increased operating and~~the following:

•Higher maintenance costs ~~as a result of Merricourt~~primarily arising from our planned outage at Coyote Station and ~~Astoria Station because the facilities were fully operational in the first quarter of 2022~~increased maintenance costs at our wind generation assets.

•Increased transmission tariff expenses.

•Higher labor costs associated with increased maintenance activities, including vegetative management and ~~were ramping up in the previous year because they had recently been placed into service; increased incentive compensation~~other activities.

•Increased travel costs ~~related to current year financial~~driven by higher fuel costs for our vehicle fleet and ~~operational performance;~~ increased travel ~~costs resulting from eased COVID restrictions; and increased insurance costs. These increased costs~~activities.

Partially offsetting these increases were ~~partially offset by a decrease in~~lower CIP expenses ~~as CIP spending decreased~~ compared to the previous ~~year.~~

~~Depreciation~~year and ~~Amortization~~ ~~expense increased $1.1 million primarily due~~a decrease in expenses from our Minnesota rate case compared to ~~Astoria Station being placed in service in February of~~ 2021.

MANUFACTURING SEGMENT RESULTS

The following table summarizes Manufacturing segment operating results for the ~~three~~nine months ended ~~March 31,~~September 30, 2022 and 2021:


(in thousands)	(in thousands)	2022		2021		$ change		% change		(in thousands)	2022		2021		$ change		% change

Operating Revenues	Operating Revenues	$	104,957	$	75,825	$	29,132	38.4	%	Operating Revenues	$	306,921	$	250,085	$	56,836	22.7	%
Cost of Products Sold (excluding depreciation)	Cost of Products Sold (excluding depreciation)	86,161		56,311		29,850		53.0		Cost of Products Sold (excluding depreciation)	242,440		189,183		53,257		28.2
Other Operating Expenses	Other Operating Expenses	8,847		8,212		635		7.7		Other Operating Expenses	27,363		28,109		(746)		(2.7)
Depreciation and Amortization	Depreciation and Amortization	4,014		3,757		257		6.8		Depreciation and Amortization	12,101		11,395		706		6.2
Operating Income	Operating Income	$	5,935	$	7,545	$	(1,610)	(21.3)	%	Operating Income	$	25,017	$	21,398	$	3,619	16.9	%

Operating Revenues increased ~~$29.1~~$56.8 million primarily due to a ~~$29.3~~$35.6 million increase in material costs at BTD, which are passed through to customers, as a result of higher steel prices. Steel prices ~~increased rapidly throughout 2021~~have been highly volatile in 2022 and ~~remained elevated in~~were higher on average compared to the ~~first quarter of 2022,~~previous year, which resulted in increased revenues as we ~~sell~~sold through high-priced inventory. Operating revenues also increased ~~slightly~~ due to a 7.6% increase in sales volumes and price increases related to inflationary costs being experienced across the business. The increase in operating revenues was partially offset by a 5% decrease in sales volumes. End market demand has remained strong, however, supply chain disruptions experienced by our OEM customers have led to unpredictable shipments of products as customers have delayed or adjusted their shipment timing in response to other supply chain challenges they are experiencing, which has negatively impacted our sales volumes. Increases in sales prices and volumes at T.O. Plastics, primarily due to strong customer demand in the horticulture sector, also contributed to the ~~segment~~ increase in operating revenues.

Cost of Products Sold increased ~~$29.9~~$53.3 million primarily due to higher material ~~labor~~costs and ~~freight costs~~sales volumes at BTD. The increase in material cost was largely driven by increased steel prices as mentioned above. ~~The increases~~Cost of products sold at BTD was positively impacted by favorable cost absorption in ~~labor and freight costs, and lower productivity resulted in lower gross profit margins~~the first nine months of 2022 compared to the ~~same period in 2021. Aligning labor with unpredictable demand led to lower production efficiency which had a~~

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~~negative impact on gross profit margins. Increases in~~prior year. Increased sales volumes and material costs at T.O. Plastics also ~~impacted costs~~contributed to the increase in cost of products ~~sold, and gross profit margins were negatively impacted by product mix and increased maintenance and freight costs.~~

~~Other Operating Expenses~~ increased $0.6 million due to increases in various cost categories including salaries and wages, due to increases in headcount compared to the previous year, and software and service provider costs, partially offset by lower incentive compensation.sold.

PLASTICS SEGMENT RESULTS

The following table summarizes Plastics segment operating results for the ~~three~~nine months ended ~~March 31,~~September 30, 2022 and 2021:


(in thousands)	(in thousands)	2022		2021		$ change		% change		(in thousands)	2022		2021		$ change		% change

Operating Revenues	Operating Revenues	$	139,531	$	62,186	$	77,345	124.4	%	Operating Revenues	$	447,767	$	264,898	$	182,869	69.0	%
Cost of Products Sold (excluding depreciation)	Cost of Products Sold (excluding depreciation)	65,598		45,666		19,932		43.6		Cost of Products Sold (excluding depreciation)	201,146		169,584		31,562		18.6
Other Operating Expenses	Other Operating Expenses	3,964		2,944		1,020		34.6		Other Operating Expenses	12,225		10,450		1,775		17.0
Depreciation and Amortization	Depreciation and Amortization	1,107		990		117		11.8		Depreciation and Amortization	3,173		3,200		(27)		(0.8)
Operating Income	Operating Income	$	68,862	$	12,586	$	56,276	447.1	%	Operating Income	$	231,223	$	81,664	$	149,559	183.1	%

Operating Revenues increased ~~$77.3~~$182.9 million, primarily due to a ~~125%~~83% increase in the price per pound of PVC pipe sold. ~~The increase in~~As discussed above, PVC pipe sale prices ~~was primarily~~increased due to ~~continued~~ strong demand for PVC pipe products, ~~and~~ limited PVC pipe ~~inventories. The unique supply~~inventories, and ~~demand market conditions~~increases in the ~~first quarter~~cost of ~~2022 were a continuation of the market dynamics experienced throughout 2021. In the first quarter of 2022, we, along with~~resin. Resin and other ~~PVC pipe manufacturers, experienced~~material input supply constraints ~~of additives and other ingredients used to make PVC pipe,~~negatively impacted our production volumes, which ~~prevented us and others from being able to build~~coupled with low inventory levels. PVC resin supply disruptions improved during the quarter. Expected declines in the price of PVC resin did not materialize and resin prices continued to increase in March due to increasing feedstock prices and stronger than expected export markets. Sales volumes in the first quarter of 2022 were consistent withlevels, impacted sales volumes, inwhich were down 7.5% compared to the ~~first quarter of 2021.~~previous year.

Cost of Products Sold increased ~~$19.9~~$31.6 million primarily due to increased PVC resin and other input ~~material~~ costs, which increased ~~52%~~29% due to the market conditions described ~~above.~~above, partially offset by decreased sales volumes. Labor ~~freight~~ and ~~various non-resin material~~overhead costs also increased from the previous year.

Other Operating Expenses increased ~~$1.0~~$1.8 million primarily due to ~~increases in various cost categories including~~increased incentive compensation costs and sales ~~commissions.~~commissions, which increased as a result of increased operating revenues and earnings compared to the previous year.

CORPORATE COSTS

The following table summarizes Corporate operating results for the ~~three~~nine months ended ~~March 31,~~September 30, 2022 and 2021:


(in thousands)	(in thousands)	2022		2021		$ change		% change		(in thousands)	2022		2021		$ change		% change

Other Operating Expenses	Other Operating Expenses	$	4,395	$	2,537	$	1,858	73.2	%	Other Operating Expenses	$	11,393	$	7,028	$	4,365	62.1	%
Depreciation and Amortization	Depreciation and Amortization	45		71		(26)		(36.6)		Depreciation and Amortization	114		179		(65)		(36.3)
Operating Loss	Operating Loss	$	4,440	$	2,608	$	1,832	70.2	%	Operating Loss	$	11,507	$	7,207	$	4,300	59.7	%

Other Operating Expenses increased ~~$1.9~~$4.4 million primarily due to increased ~~compensation expenses, including stock and~~employee health care costs, increased professional service costs, increased incentive compensation incosts based on the ~~first quarter of 2022 which were higher than the amount recognized in the same period in the previous year due to our~~ current year financial ~~performance.~~and operating performance, and increased travel costs.

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REGULATORY RATE MATTERS

The following provides a summary of general rate case filings, rate rider filings and other regulatory filings that have or are expected to have a material impact on our operating results, financial position or cash flows.

GENERAL RATES

Minnesota Rate Case: On November 2, 2020, OTP filed aan initial request with the MPUC for an increase in revenue recoverable through base rates in ~~Minnesota. In its filing, OTP requested a net increase in annual revenue of approximately $14.5 million, or 6.77%, based~~Minnesota, and on an allowed rate of return on rate base of 7.59% and an allowed rate of return on equity of 10.20% on an equity ratio of 52.5% of total capital. Through this proceeding, OTP had proposed changes to the mechanism of cost recovery, with some costs moving from riders into base rates and fuel, purchased power, and conservation program costs moving out of base rates and into riders. The filing also included a revenue decoupling mechanism proposal. Such mechanisms are designed to separate a utility's revenue from changes in energy sales. The decoupling mechanism uses a tracker balance through which authorized customer margins are subject to a true-up mechanism to maintain or cap a given level of revenues.

On December 3, 2020, the MPUC approved an interim annual rate increase of $6.9 million, or 3.2%, effective January 1, 2021. This approval was provided after an alternative recovery proposal was submitted by OTP which, among other changes, requested the extension of depreciable lives of certain wind-related assets and proposed deferral of certain cost recovery decisions to the final rate determination. In the aggregate, this alternative recovery proposal reduced operating costs and delayed recovery of certain other costs by approximately $7.0 million to lessen the interim rate impact on customers.

In a filing submitted to the MPUC on April 30, 2021, OTP lowered its initially requested net annual revenue increase from $14.5 million to $8.2 million, primarily due to a reduction in operating costs from amounts included in its November 2020 filing. Among other items, the cost reductions included lower depreciation expense on our wind generation assets due to the extension of depreciable lives from 25 to 35 years and a reduction in postretirement benefit costs.

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On February 1, 2022, the MPUC issued its written ~~order.~~order on final rates. The key provisions of the order ~~include~~included a revenue requirement of $209.0 million, based on a return on rate base of 7.18% and an allowed return on equity of 9.48% on an equity ratio of 52.5%. The order also ~~authorizes~~authorized recovery of our remaining Hoot Lake Plant net asset over a five-year period and ~~approves~~approved the requested decoupling mechanism for most residential and commercial customer rate groups with a cap of 4% of annual base revenues.

On ~~March 8,~~May 12, 2022, ~~OTP filed its~~OTP's final rate case compliance filing ~~which~~was approved by the MPUC. The filing included final revenue calculations, rate design and resulting tariff revisions, along with a ~~proposal for~~determination of the interim rate ~~refunds. The final calculations included a revision to~~refund, which resulted in an increase in revenues during the ~~calculation~~second quarter of 2022 of $4.1 million. Final rates took effect on July 1, 2022, and interim ~~rates. If approved by the MPUC, this revision could increase interim revenues~~rate refunds of $15.3 million were completed in the ~~period the filing is approved by an amount~~third quarter of ~~approximately $4.0 million. We expect the MPUC will issue its order and implement final rates in mid-2022.~~2022.

RATE RIDERS

The following table includes a summary of pending and recently concluded rate rider proceedings:

Recovery

Filing

Amount

Effective

Mechanism

Jurisdiction

Status

Date

(in millions)

Date

Notes

CIP - 2022

~~Requested~~Approved

04/01/22

10.8

10/01/22

Includes recovery of energy conservation improvement costs as well as a demand side management financial incentive.

CIP - 2021

Approved

04/01/21

9.4

12/01/21

Includes recovery of energy conservation improvement costs as well as a demand side management financial incentive.

TCR - 2021

~~Requested~~Approved

11/23/21

7.2

~~07/~~08/01/22

Includes recovery of two new transmission projects.

RRR - 2021

~~Requested~~Approved

12/06/21

7.0

~~07/~~08/01/22

Includes return on Hoot Lake Solar construction costs and costs associated with the acquisition of the Ashtabula III wind farm.

RRR - 2021

Approved

03/07/21

11.8

04/01/21

Includes recovery of Merricourt investment and operating costs.

RRR - 2022

Approved

01/05/22

7.8

04/01/22

Includes Merricourt recovery, the proposed purchase of Ashtabula III and credits related to deferred taxes and production tax credits.

TCR - 2022

Requested

09/15/22

7.5

01/01/23

Includes recovery of three new transmission projects, one transmission rebuild project and six transmission projects related to extending the useful life of transmission assets.

TCR - 2021

Approved

09/15/21

6.1

01/01/22

Includes recovery of three new transmission projects/programs.

TCR - 2020

Approved

11/18/20

5.6

01/01/21

Includes recovery of eight new transmission projects.

GCR - 2021

Approved

03/01/21

5.2

07/01/21

Includes recovery of Astoria Station, net of anticipated savings associated with the retirement of Hoot Lake Plant.

GCR - 2022

~~Requested~~Approved

03/01/22

3.3

07/01/22

Annual update to generation cost recovery rider.

AGI - 2022

Requested

07/08/22

3.1

01/01/23

Includes recovery of the advanced metering infrastructure, outage management system and demand response projects.

PIR - 2022

Approved

06/01/22

3.0

09/01/22

Includes recovery of the Ashtabula III wind farm purchase, Merricourt, Astoria Station, and the Advanced Grid Infrastructure project, as well as load growth credits.

TCR - 2020

Approved

01/29/20

2.3

03/02/20

Annual update to transmission cost recovery rider.

TCR - ~~2021~~2022

Approved

10/29/21

2.2

03/01/22

Annual update to transmission cost recovery rider.

TCR - 2021

Approved

02/19/21

2.2

03/01/21

Includes recovery of two new transmission projects.

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Energy Adjustment Rider: On October 20, 2022, OTP filed supplemental comments in the Minnesota 2023 Energy Adjustment Rider (EAR) docket. As part of this filing, OTP proposed to refund the Minnesota portion of capacity auction revenues (see below for further details) through this rider and proposed a mechanism to address load reallocation due to the impact of a recent load addition in North Dakota. The filing proposed an assessment in 2022 and 2023 to determine whether actual, weather normalized earnings, as measured based on ROE, including the crediting of capacity auction revenues, are above or below our authorized ROE in Minnesota (9.48%). Under our proposal, should OTP under or over earn its authorized ROE, an adjustment to recover amounts from, or refund amounts to, Minnesota customers would be effectuated through the EAR. OTP proposed three ROE ranges above or below the allowed ROE for which a surcharge or refund would be calculated, including a 20 basis point range in which no surcharge or refund would be assessed, a 21 to 100 basis point range in which 50% of the over or under earning in this range would be collected from or refunded to customers, and a range above 100 basis points in which 100% of the over or under earning in this range would be collected from or refunded to customers. Our proposal is still pending before the MPUC. Should our proposal be accepted without modification, as of September 30, 2022, we estimated no refund or surcharge would be assessed under the requested mechanism.

MISO CAPACITY AUCTION

OTP offered 88 megawatts of excess capacity into the annual MISO planning resource auction for the period June 2022 through May 2023. As a result of a capacity shortage in the MISO region, capacity prices cleared the auction at maximum pricing. As a result, the 88 megawatts of auctioned capacity will generate approximately $9.3 million of net capacity auction revenues over the twelve month period beginning in June 2022. Through September 30, 2022, OTP has received approximately $2.9 million of excess capacity auction revenues. We anticipate a portion of the capacity auction revenues will be used to mitigate customer rate increases or returned to customers through various mechanisms in each jurisdiction.

INTEGRATED RESOURCE PLAN

On September 1, 2021, OTP filed its 2022 Integrated Resource Plan ~~(IRP)~~(2022 IRP) concurrently with regulators in the three states where OTP operates, Minnesota, North Dakota and South Dakota. The 2022 IRP ~~includes~~included OTP’s preferred plan for meeting customers’ anticipated capacity and energy needs while maintaining system reliability and low electric service rates.

The components of OTP's preferred plan include:

–the addition of dual fuel capability at our Astoria Station natural gas plant;

–the addition of 150 megawatts of solar generation in 2025;

–the addition of 100 megawatts of wind generation in 2027;

–the commencement of the process of withdrawing from our 35 percent ownership interest in Coyote Station, a jointly owned, coal-fired generation plant, by December 31, 2028; and

–the addition of 50 megawatts of solar generation in 2033.

Although the 2022 IRP includes planned actions beyond 2026, regulators will not act ~~upon~~on or approve planned actions in periods beyond 2026 as part of our 2022 IRP filing.

Subject to regulatory approval, the preferred plan proposes to create a regulatory asset as a vehicle to recover costs related to a future withdrawal from Coyote Station, including the net book value of the plant on the withdrawal date, anticipated decommissioning costs and any required costs incurred as a result of an early termination of the existing lignite sales agreement, under which Coyote Station acquires all of its lignite coal from a nearby mine. As part of the filing, OTP developed an estimate of the reasonably foreseeable costs of withdrawing from Coyote Station at the end of 2028 of $68.5 million. These costs may differ from actual results due to the uncertainty and timing of future events associated with the terms and conditions of a withdrawal.

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~~We currently anticipate the MPUC, barring any delays in~~On October 14, 2022, OTP submitted a supplemental filing to update its 2022 IRP, requesting the procedural schedule ~~will hold deliberations~~in Minnesota be amended to allow for additional time to update our resource modeling given significant changes in the energy industry since the original 2022 IRP filing, while maintaining the original procedural schedule as it relates to adding dual fuel capability at Astoria Station. Our original filing proposed fuel oil as the secondary on-site fuel at Astoria Station and ~~render a decision~~our supplemental filing reflects revised cost estimates and liquified natural gas as the most cost-effective secondary fuel source. The recent changes which led to our request include FERC’s approval of MISO’s new seasonal resource adequacy construct, MISO’s proposal to significantly increase winter and spring planning reserve margins, and enactment of the Inflation Reduction Act. On November 1, 2022, the MPUC approved OTP's requested changes to the procedural schedule for the 2022 IRP. OTP plans to file an updated resource plan in March 2023, as approved under the amended schedule. In conjunction with the updated resource plan, OTP's preferred plan could change based on the ~~IRP by~~results of the ~~end~~updated resource modeling incorporating the factors listed above, as well as other changes. A change to the preferred plan could ultimately impact the nature, timing and amount of ~~2022. There currently is no procedural schedule established~~future capital investments, as well as the potential for ~~this IRP by~~OTP's withdrawal from Coyote Station. A notice of the request submitted to the MPUC was also provided to the North Dakota Public Service Commission and South Dakota Public Utilities Commission.


LIQUIDITY

LIQUIDITY OVERVIEW

We believe our financial condition is strong and our cash and cash equivalents, other liquid assets, operating cash flows, existing lines of credit, access to capital markets and borrowing ability, because of investment-grade credit ratings, when taken together provide us ample liquidity to conduct our business operations, fund our short-term and long-term capital expenditure plans and satisfy our obligations as they become due. Our liquidity, including our operating cash flows and access to capital markets, can be impacted by macroeconomic factors outside of our ~~control.~~control, including higher interest rates and debt capital costs and diminished credit availability. In addition, our liquidity could be impacted by ~~non-compliance~~non-

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compliance with certain financial covenants under our various debt instruments. As of ~~March 31,~~September 30, 2022, we were in compliance with all financial covenants (see the Financial Covenants section under Capital Resources below).

The following table presents the status of our lines of credit as of ~~March 31,~~September 30, 2022 and December 31, 2021:


				2022						2021					2022						2021
(in thousands)	(in thousands)	Line Limit		Amount Outstanding		Letters of Credit		Amount Available		Amount Available		(in thousands)	Borrowing Limit		Amount Outstanding		Letters of Credit		Amount Available		Amount Available

OTC Credit Agreement	OTC Credit Agreement	$	170,000	$	43,281	$	—	$	126,719	$	147,363	OTC Credit Agreement	$	170,000	$	—	$	—	$	170,000	$	147,363
OTP Credit Agreement	OTP Credit Agreement	170,000		54,489		7,844		107,667		88,315		OTP Credit Agreement	170,000		—		9,919		160,081		88,315
Total	Total	$	340,000	$	97,770	$	7,844	$	234,386	$	235,678	Total	$	340,000	$	—	$	9,919	$	330,081	$	235,678

We have an internal risk tolerance metric to maintain a minimum of $50 million of liquidity under the OTC Credit Agreement. Should additional liquidity be needed, this agreement includes an accordion feature allowing us to increase the amount available to $290 million, subject to certain terms and conditions. The OTP Credit Agreement also includes an accordion feature allowing OTP to increase that facility to $250 million, subject to certain terms and conditions.

CASH FLOWS

The following is a discussion of our cash flows for the ~~three~~nine months ended ~~March 31,~~September 30, 2022 and 2021:


(in thousands)	(in thousands)	2022		2021		(in thousands)	2022		2021

Net Cash Provided by Operating Activities	Net Cash Provided by Operating Activities	$	45,416	$	15,270	Net Cash Provided by Operating Activities	$	287,973	$	154,752

Net Cash Provided by Operating Activities increased ~~$30.1~~$133.2 million for the ~~three~~nine months ended ~~March 31,~~September 30, 2022 compared to the ~~three~~nine months ended ~~March 31, 2021. The~~September 30, 2021, due primarily to the $117.0 million increase in ~~cash provided by operating activities was primarily the result of~~net income, largely due to increased earnings ~~during the year, which was partially offset by increased working capital needs. Our~~from our Plastics segment, and a lower level of working capital ~~increased year over year and was impacted by increased accounts receivables within our Manufacturing and Plastics segments, due to strong sales volumes and significantly increased sales prices~~needs in 2022, partially offset by increased accounts payable due to increased material costs in our Manufacturing and Plastics segments in 2022. Operating cash flows were also reduced by a discretionary contribution to our pension planthe first nine months of ~~$20.0 million during the three months ended March 31,~~ 2022 compared to ~~a contribution of $10.0 million in 2021.~~the prior year.


(in thousands)	(in thousands)	2022		2021		(in thousands)	2022		2021

Net Cash Used in Investing Activities	Net Cash Used in Investing Activities	$	31,449	$	49,020	Net Cash Used in Investing Activities	$	127,556	$	117,084

Net Cash Used in Investing Activities ~~decreased $17.6~~increased $10.5 million for the ~~three~~nine months ended ~~March 31,~~September 30, 2022 compared to the ~~three~~nine months ended ~~March 31,~~September 30, 2021. The ~~decrease~~increase in ~~capital expenditures~~cash used in investing activities was primarily ~~related~~due to ~~costs incurred in 2021 by OTP~~a higher amount of Electric segment capital investment compared to ~~complete our Astoria Station project, and other one-time projects. Capital investment spending in our Manufacturing and Plastics segments also decreased from the previous~~last year.


(in thousands)	(in thousands)	2022		2021		(in thousands)	2022		2021

Net Cash (Used in) Provided by Financing Activities		$	(14,133)	$	33,799
Net Cash Used in Financing Activities						Net Cash Used in Financing Activities	$	88,967	$	37,559

Net Cash ~~(Used in) Provided by~~Used in Financing Activities ~~decreased $47.9~~increased $51.4 million for the ~~three~~nine months ended ~~March 31,~~September 30, 2022 compared to the ~~three~~nine months ended ~~March 31, 2021, primarily as a result of a decrease in financing needs given the lower level of capital spending in our Electric segment and the increase in cash provided by operating activities.~~September 30, 2021. Financing activities for the ~~three~~nine months ended ~~March 31,~~September 30, 2022 included the issuance of $90.0 million of long-term debt at OTP, which was used to repay $30.0 million of long-term debt that matured in August 2022, to repay short-term borrowings, fund capital expenditures, and for other general corporate purposes. Financing activities for the nine months ended September 30, 2022, also included net ~~proceeds from~~repayments of short-term borrowings of ~~$6.6~~$91.2 million and dividend payments of ~~$17.2~~$51.6 million. Financing activities for the ~~three~~nine months ended ~~March 31,~~September 30, 2021 included net proceeds from short-term borrowings of ~~$53.9~~$16.9 million ~~primarily incurred to fund major construction projects,~~ and dividend payments of ~~$16.2~~$48.6 million.


CAPITAL REQUIREMENTS

~~Table of Contents~~

CAPITAL EXPENDITURES

We have a capital expenditure program for expanding, upgrading and improving our plants and operating equipment. Typical uses of cash for capital expenditures ~~in our electric segment~~ are investments in electric generation facilities ~~including wind~~ and ~~solar investments,~~ environmental upgrades, transmission ~~lines~~ and distribution ~~systems,~~lines, manufacturing facilities and upgrades, equipment used in the manufacturing process, and computer hardware and information systems. Our ~~electric segment~~ capital expenditure program is subject to review and regulatory approval and is revised in light of changes in demands for energy, technology, environmental laws, regulatory changes, business expansion opportunities, the costs of labor, materials and equipment and our financial condition. ~~Our future~~

We have updated our capital expenditure plans ~~also~~in our Electric segment in light of recent changes in the energy industry and recent regulatory actions, including FERC’s approval of MISO’s new seasonal resource adequacy construct, MISO’s proposal to significantly increase winter and spring planning reserve margins, MISO's approval of certain projects as part of its long-range transmission plan, and the enactment of the Inflation Reduction Act. The significant changes to our anticipated capital investments over the next five years include additional investment in multiple transmission projects, the modification of investments in ~~manufacturing facilities~~wind generation, including the incorporation of wind repowering into our current capital investment plan, and ~~facility upgrades, manufacturing equipment additions and upgrades and additional technology assets to be used~~a reduction in planned solar generation. The table below reflects these changes, as well as all other currently anticipated capital investments over the next five years in our ~~manufacturing operations. Refer to Item 7,~~ ~~Management's Discussion~~Electric, Manufacturing, and ~~Analysis~~Plastics segments.

Table of ~~Financial Condition and Results~~Contents

The following provides a summary of ~~Operations, of our~~ ~~Form 10-K~~actual capital expenditures for the year ended December 31, 2021, ~~for our~~anticipated annual capital ~~expenditure plan~~expenditures for the current year ending December 31, 2022, and anticipated capital expenditures for the next five ~~year period from 2022 through 2026.~~years, along with electric utility average rate base and annual rate base growth:


(in millions)	2021		2022(1)			2023			2024			2025			2026			2027			Total 2023 - 2027

Electric Segment:
Renewables and Natural Gas Generation			$	33		$	88		$	119		$	88		$	79		$	10		$	384
Technology and Infrastructure			9			33			30			6			5			1			75
Distribution Plant Replacements			40			33			37			38			38			43			189
Transmission (includes replacements)			38			34			36			46			87			78			281
Other			30			26			25			30			25			22			128
Total Electric Segment	$	140	$	150		$	214		$	247		$	208		$	234		$	154		$	1,057
Manufacturing and Plastics Segments	32		34			48			53			29			25			24			179
Total Capital Expenditures	$	172	$	184		$	262		$	300		$	237		$	259		$	178		$	1,236

Total Electric Utility Average Rate Base	$	1,575	$	1,620		$	1,750		$	1,850		$	1,990		$	2,110		$	2,210
Annual Rate Base Growth			2.9		%	8.0		%	5.7		%	7.6		%	6.0		%	4.7		%

(1) Includes actual results for the nine months ended September 30, 2022, and anticipated capital expenditures for the fourth quarter of 2022.

CONTRACTUAL OBLIGATIONS

Our contractual obligations primarily include principal and interest payments due under our outstanding debt obligations, commitments to acquire coal, energy and capacity commitments, payments to meet our postretirement benefit obligations, and payment obligations under land ~~easement~~easements and leasing arrangements.

On June 23, 2022, OTP exercised its option to acquire the Ashtabula III wind farm, a 62.4 megawatt wind farm located in eastern North Dakota, for $49.7 million, subject to certain closing adjustments. The purchase has received regulatory approval. We anticipate the transaction will close, subject to certain customary closing conditions, in January 2023.

Our contractual obligations as of December 31, 2021 are included in Item 7, Management's Discussion and Analysis of Financial Condition and Results of Operations, of our Annual Report on Form 10-K for the year ended December 31, 2021. ~~There~~Except for the Ashtabula III wind farm purchase described above, there were no material changes in our contractual obligations outside of the ordinary course of our business during the ~~three~~nine months ended ~~March 31,~~September 30, 2022.

Off-Balance Sheet Arrangements

As of ~~March 31,~~September 30, 2022, we have outstanding letters of credit totaling ~~$11.0~~$13.0 million, a portion of which reduces our borrowing capacity under our lines of credit. No outstanding letters of credit are reflected in outstanding short-term debt on our consolidated balance sheets. We do not have any other ~~off-balance-sheet~~off-balance sheet arrangements or any relationships with unconsolidated entities or financial partnerships that have, or are reasonably likely to have, a material current or future effect on our financial condition. These entities are often referred to as structured finance special purpose entities or variable interest entities, which are established for the purpose of facilitating ~~off-balance-sheet~~off-balance sheet arrangements or for other contractually narrow or limited purposes. We are not exposed to any financing, liquidity, market or credit risk that could arise if we had such relationships.

COMMON STOCK DIVIDENDS

We paid dividends to our common stockholders totaling ~~$17.2~~$51.6 million, or ~~$0.4125~~$1.2375 per share, in the first ~~three~~nine months of 2022. The determination of the amount of future cash dividends to be paid will depend on, among other things, our financial condition, ~~improvement in~~our actual or expected level of earnings ~~per share,~~and cash flows from operations, the level of our capital expenditures and our future business prospects. As a result of certain statutory limitations or regulatory or financing agreements, ~~restrictions could occur on~~ the amount of ~~distributions~~dividends we are allowed to pay could be ~~made by our subsidiaries.~~restricted. See Note 10 to our consolidated financial statements included in this Quarterly Report on Form 10-Q for additional information. The decision to declare a dividend is reviewed quarterly by our Board of Directors.


CAPITAL RESOURCES

Financial flexibility is provided by operating cash flows, unused lines of credit and access to capital markets, which is aided by strong financial coverages and investment grade credit ratings. Debt financing will be required in the five-year period from 2022 through 2026 to refinance maturing debt and to finance our capital investments. Our financing plans are subject to change and are impacted by our planned level of capital investments, and decisions to reduce borrowings under our lines of credit, to refund or retire early any of our ~~presently~~ outstanding debt, to complete acquisitions, or to use capital for other corporate purposes.

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REGISTRATION STATEMENTS

SHORT-TERM DEBT

OTC and OTP are each party to a credit agreement (the OTC Credit Agreement and OTP Credit Agreement, respectively) which each provide for unsecured revolving lines of credit. The following is a summary of key provisions and borrowing information as of, and for the ~~three~~nine months ended, ~~March~~September 30, 2022:


(in thousands, except interest rates)	OTC Credit Agreement			OTP Credit Agreement

Borrowing Limit	$	170,000		$	170,000
Borrowing Limit if Accordion Exercised1	290,000			250,000
Amount Restricted Due to Outstanding Letters of Credit as of September 30, 2022	—			9,919
Amount Outstanding as of September 30, 2022	—			—
Average Amount Outstanding During the Nine Months Ended September 30, 2022	15,625			30,235
Maximum Amount Outstanding During the Nine Months Ended September 30, 2022	58,715			74,519
Interest Rate as of September 30, 2022	4.64		%	4.39		%
Maturity Date	September 30, 2026			September 30, 2026


1Each facility includes an accordion featuring allowing the borrower to increase the borrowing limit if certain terms and conditions are met.

On October 31, ~~2022:~~

~~Table~~2022, OTC entered into a Fifth Amended and Restated Credit Agreement and OTP entered into a Fourth Amended and Restated Credit Agreement, in each case amending and restating the previously existing credit agreements to extend the maturity date of ~~Contents~~

(in thousands, except interest rates) OTC Credit Agreement OTP Credit Agreement
Borrowing Limit $ 170,000 $ 170,000
Borrowing Limit if Accordion Exercised1
290,000 250,000
Amount Restricted Due to Outstanding Letters of Credit as of March 31, 2022 — 7,844
Amount Outstanding as of March 31, 2022 43,281 54,489
Average Amount Outstanding During the Three Months Ended March 31, 2022 35,493 66,098
Maximum Amount Outstanding During the Three Months Ended March 31, 2022 58,715 74,519
Interest Rate as of March 31, 2022 1.92 % 1.64 %
Maturity Date September 30, 2026 September 30, 2026
1Each facility includes an accordion featuring allowing the borrower to increase the borrowing limit if certain terms and conditions are met.
each agreement from September 30, 2026 to October 29, 2027 and to replace LIBOR as a benchmark interest rate with the Secured Overnight Finance Rate (SOFR). The adoption of SOFR as a benchmark interest rate is in advance of the scheduled elimination of LIBOR as a benchmark interest rate on June 30, 2023. We do not expect this change in benchmark interest rates will have a material impact on our operating results or cash flows. No other significant terms or conditions, including borrowing capacity, credit spreads or financial covenants, were modified under these amendments and restatements.

LONG-TERM DEBT

~~At March 31,~~As of September 30, 2022, we had ~~$767.0~~$827.0 million of principal outstanding under long-term debt arrangements. These instruments generally provide for unsecured borrowings at fixed rates of interest with maturities ranging from ~~2022~~2026 to ~~2051.~~2052. Pursuant to a Note Purchase Agreement executed in June 2021, OTP ~~intends to issue~~issued its Series 2022A ~~notes~~Notes due May 20, 2052, in May 2022 for aggregate proceeds of $90.0 million, ~~subject to the satisfaction of certain customary conditions to closing, and use~~ a portion of ~~the proceeds~~which was used to repay the $30.0 million Series 2007B Notes ~~which are maturing~~at their maturity in August 2022.

Note 6 to our consolidated financial statements included in this Quarterly Report on Form 10-Q includes additional information regarding these short-term and long-term debt instruments.

Financial Covenants

Certain of our short- and long-term debt agreements require OTC and OTP to maintain certain financial covenants. As of ~~March 31,~~September 30, 2022, we were in compliance with these financial covenants as further described below:

OTC, under its financial covenants, may not permit its ratio of interest-bearing debt to total capitalization to exceed 0.60 to 1.00, may not permit its interest and dividend coverage ratio to be less than 1.50 to 1.00, and may not permit its priority indebtedness to exceed ~~10%~~10 percent of ~~our~~its total capitalization. As of ~~March 31,~~September 30, 2022, ~~our~~OTC's interest-bearing debt to total capitalization was ~~0.45~~0.41 to 1.00, ~~our~~OTC's interest and dividend coverage ratio was ~~8.35~~11.37 to 1.00, and weOTC had no priority indebtedness outstanding.

OTP, under its financial covenants, may not permit its ratio of debt to total capitalization to exceed 0.60 to 1.00, may not permit its interest and dividend coverage ratio to be less than 1.50 to 1.00, and may not permit its priority debt to exceed ~~20%~~20 percent of its total capitalization. As of ~~March 31,~~September 30, 2022, OTP's interest-bearing debt to total capitalization was ~~0.47~~0.45 to 1.00, ~~its~~OTP's interest and dividend coverage ratio was ~~3.33~~3.65 to 1.00, and OTP had no priority indebtedness outstanding.


CRITICAL ACCOUNTING POLICIES INVOLVING SIGNIFICANT ESTIMATES

The discussion and analysis of our results of operations are based on financial statements prepared in accordance with generally accepted accounting principles ~~generally accepted~~ in the United States of America. Certain of our accounting policies require management to make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities in the

Table of Contents

preparation of our consolidated financial statements. We have disclosed in our Annual Report on Form 10-K for the year ended December 31, 2021 the critical accounting policies that affect our most significant estimates and assumptions used in preparing our consolidated financial statements. There have been no material changes to our critical accounting policies and estimates from those disclosed in the most recent Annual Report on Form 10-K.


ITEM 3.			QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

There have been no material changes in our market risk from those disclosed in Item 7A, Quantitative and Qualitative Disclosures About Market Risk, in our Annual Report on Form 10-K for the year ended December 31, 2021.


ITEM 4.			CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures. Under the supervision and with the participation of the Company’s management, including the Chief Executive Officer and the Chief Financial Officer, we evaluated the effectiveness of the design and operation of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Securities Exchange Act of 1934 (the Exchange Act)) as of ~~March 31,~~September 30, 2022, the end of the period covered by this report. Based on that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were effective as of ~~March 31,~~September 30, 2022.

Changes in Internal Control over Financial Reporting. There were no changes in our internal control over financial reporting (as defined in Rules 13a-15(f) under the Exchange Act) during the quarter ended ~~March 31,~~September 30, 2022 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

~~Table of Contents~~

PART II. OTHER INFORMATION


ITEM 1.			LEGAL PROCEEDINGS

We are the subject of various legal and regulatory proceedings in the ordinary course of our business. Such matters are subject to many uncertainties and to outcomes that are not predictable with assurance. We record a liability in our consolidated financial statements for costs related to claims, including future legal costs, settlements and judgments, where we have assessed that a loss is probable, and an amount can be reasonably estimated. Material proceedings are described under Note 9, Commitments and Contingencies, to the consolidated financial statements, and in Management's Discussion and Analysis of Financial Condition and Results of Operations, Regulatory Rate Matters.

ITEM 1A.

RISK FACTORS

There have been no material changes from the risk factors disclosed in Item 1A, Risk Factors, of our Annual Report on Form 10-K for the year ended December 31, 2021.

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ITEM 6.

EXHIBITS

The following Exhibits are filed as part of, or incorporated by reference into, this report.



No.									Description
10.1									—Fifth Amended And Restated Credit Agreement, dated as of October 31, 2022, by and between Otter Tail Corporation, as Borrower, and the banks named therein, with U.S. Bank National Association, as Administrative Agent (incorporated by reference to Exhibit 10.1 to the Form 8-K filed by Otter Tail Corporation on November 1, 2022)
10.2									—Fourth Amended And Restated Credit Agreement, dated as of October 31, 2022, by and between Otter Tail Power Company, as Borrower, and the banks named therein, with U.S. Bank National Association, as Administrative Agent (incorporated by reference to Exhibit 10.2 to the Form 8-K filed by Otter Tail Corporation on November 1, 2022)
31.1									—Certification of Chief Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2									—Certification of Chief Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1									—Certification of Chief Executive Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2									—Certification of Chief Financial Officer Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.SCH									—Inline XBRL Taxonomy Extension Schema Document
101.CAL									—Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.LAB									—Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE									—Inline XBRL Taxonomy Extension Presentation Linkbase Document
101.DEF									—Inline XBRL Taxonomy Extension Definition Linkbase Document
104									—Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101)

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.


			OTTER TAIL CORPORATION

			By:			/s/ Kevin G. Moug
						Kevin G. Moug Chief Financial Officer and Senior Vice President (duly authorized officer and principal financial officer)

						Dated: ~~May 4,~~November 2, 2022

2834


	Description	Page

	Definitions	2
	Forward Looking Information	2
PART I
ITEM 1.	Financial Statements:
	Consolidated Balance Sheets	3
	Consolidated Statements of Income	4
	Consolidated Statements of Comprehensive Income	5
	Consolidated Statements of Shareholders’ Equity	6
	Consolidated Statements of Cash Flows	7
	Condensed Notes to Consolidated Financial Statements	8
ITEM 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	1920
ITEM 3.	Quantitative and Qualitative Disclosures About Market Risk	2632
ITEM 4.	Controls and Procedures	2632
PART II
ITEM 1.	Legal Proceedings	2732
ITEM 1A.	Risk Factors	2732

ITEM 6.	Exhibits	2733
Signatures		2834