Document And Entity Information
Document And Entity Information - shares | 3 Months Ended | |
Dec. 31, 2022 | Jan. 27, 2023 | |
Document Information [Line Items] | ||
Entity Central Index Key | 0000057183 | |
Entity Registrant Name | Spire Missouri Inc. | |
Amendment Flag | false | |
Current Fiscal Year End Date | --09-30 | |
Document Fiscal Period Focus | Q1 | |
Document Fiscal Year Focus | 2023 | |
Document Type | 10-Q | |
Document Quarterly Report | true | |
Document Period End Date | Dec. 31, 2022 | |
Document Transition Report | false | |
Entity File Number | 1-1822 | |
Entity Address, Address Line One | 700 Market Street | |
Entity Address, City or Town | St. Louis | |
Entity Address, State or Province | MO | |
Entity Address, Postal Zip Code | 63101 | |
City Area Code | 314 | |
Local Phone Number | 342-0500 | |
Entity Incorporation, State or Country Code | MO | |
Entity Tax Identification Number | 43-0368139 | |
Entity Current Reporting Status | Yes | |
Entity Interactive Data Current | Yes | |
Entity Filer Category | Non-accelerated Filer | |
Entity Small Business | false | |
Entity Emerging Growth Company | false | |
Entity Shell Company | false | |
Entity Common Stock, Shares Outstanding | 25,325 | |
Spire Alabama Inc [Member] | ||
Document Information [Line Items] | ||
Entity Central Index Key | 0000003146 | |
Entity Registrant Name | Spire Alabama Inc. | |
Amendment Flag | false | |
Current Fiscal Year End Date | --09-30 | |
Document Fiscal Period Focus | Q1 | |
Document Fiscal Year Focus | 2023 | |
Entity File Number | 2-38960 | |
Entity Address, Address Line One | 605 Richard Arrington Blvd N | |
Entity Address, City or Town | Birmingham | |
Entity Address, State or Province | AL | |
Entity Address, Postal Zip Code | 35203 | |
City Area Code | 205 | |
Local Phone Number | 326-8100 | |
Entity Incorporation, State or Country Code | AL | |
Entity Tax Identification Number | 63-0022000 | |
Entity Current Reporting Status | Yes | |
Entity Interactive Data Current | Yes | |
Entity Filer Category | Non-accelerated Filer | |
Entity Small Business | false | |
Entity Emerging Growth Company | false | |
Entity Shell Company | false | |
Entity Common Stock, Shares Outstanding | 1,972,052 | |
Depositary Shares [Member] | ||
Document Information [Line Items] | ||
Title of 12(b) Security | Depositary Shares | |
Trading Symbol | SR.PRA | |
Security Exchange Name | NYSE | |
Common Stock [Member] | ||
Document Information [Line Items] | ||
Title of 12(b) Security | Common Stock $1.00 par value | |
Trading Symbol | SR | |
Security Exchange Name | NYSE |
Condensed Consolidated Statemen
Condensed Consolidated Statements of Income (Unaudited) - USD ($) shares in Millions, $ in Millions | 3 Months Ended | ||||
Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | ||
Operating Revenues | $ 814 | $ 814 | $ 555.4 | $ 555.4 | |
Operating Expenses: | |||||
Natural gas | 419.2 | 419.2 | 249.2 | 249.2 | |
Operation and maintenance | 132.1 | 132.1 | 116.4 | 116.4 | |
Depreciation and amortization | 62.1 | 62.1 | 56.9 | 56.9 | |
Taxes, other than income taxes | 50.4 | 50.4 | 37.6 | 37.6 | |
Total Operating Expenses | 663.8 | 663.8 | 460.1 | 460.1 | |
Operating Income | 150.2 | 150.2 | 95.3 | 95.3 | |
Interest Expense, Net | 43.6 | 28.6 | |||
Other Income, Net | 6 | 7.4 | |||
Income Before Income Taxes | 112.6 | 74.1 | |||
Income Tax Expense | 21.6 | 18.4 | |||
Net Income | 91 | 91 | 55.7 | 55.7 | |
Provision for preferred dividends | 3.7 | 3.7 | 3.7 | 3.7 | |
Income allocated to participating securities | 0.1 | 0.1 | 0.1 | 0.1 | |
Net Income Available to Common Shareholders | 87.2 | 87.2 | 51.9 | 51.9 | |
Other Comprehensive Income, Net of Tax | (2.4) | (3.9) | |||
Comprehensive Income | 88.6 | 51.8 | |||
Operating Revenues | $ 814 | $ 814 | $ 555.4 | $ 555.4 | |
Weighted Average Number of Common Shares Outstanding: | |||||
Basic (in shares) | 52.4 | 52.4 | 51.6 | 51.6 | |
Diluted (in shares) | 52.6 | 52.6 | 51.7 | 51.7 | |
Basic Earnings Per Common Share (in dollars per share) | $ 1.66 | $ 1.66 | $ 1.01 | $ 1.01 | |
Diluted Earnings Per Common Share (in dollars per share) | $ 1,660,000 | $ 1.66 | $ 1,010,000 | $ 1.01 | |
Operating Revenues | $ 814 | $ 814 | $ 555.4 | $ 555.4 | |
Spire Missouri [Member] | |||||
Operating Revenues | 541.2 | 347.9 | |||
Operating Expenses: | |||||
Natural gas | 316.7 | 156.3 | |||
Operation and maintenance | 77.1 | 66.3 | |||
Depreciation and amortization | 38.6 | 34.2 | |||
Taxes, other than income taxes | 36.4 | 25.7 | |||
Total Operating Expenses | 468.8 | 282.5 | |||
Operating Income | 72.4 | 65.4 | |||
Interest Expense, Net | 22 | 14.5 | |||
Other Income, Net | 5 | 5.9 | |||
Income Before Income Taxes | 55.4 | 56.8 | |||
Income Tax Expense | 8.1 | 11.5 | |||
Net Income | [1] | 47.3 | 45.3 | ||
Other Comprehensive Income, Net of Tax | [1] | 0.1 | 0.1 | ||
Comprehensive Income | 47.4 | 45.4 | |||
Operating Revenues | 541.2 | 347.9 | |||
Weighted Average Number of Common Shares Outstanding: | |||||
Operating Revenues | 541.2 | 347.9 | |||
Spire Alabama Inc [Member] | |||||
Operating Revenues | 152.4 | 126.6 | |||
Operating Expenses: | |||||
Natural gas | 69.4 | 45.5 | |||
Operation and maintenance | 35.1 | 34.5 | |||
Depreciation and amortization | 17 | 16.5 | |||
Taxes, other than income taxes | 10.6 | 9 | |||
Total Operating Expenses | 132.1 | 105.5 | |||
Operating Income | 20.3 | 21.1 | |||
Interest Expense, Net | 8.3 | 5.1 | |||
Other Income, Net | 0.4 | 0.4 | |||
Income Before Income Taxes | 12.4 | 16.4 | |||
Income Tax Expense | 3.2 | 4.2 | |||
Net Income | 9.2 | 12.2 | |||
Operating Revenues | 152.4 | 126.6 | |||
Weighted Average Number of Common Shares Outstanding: | |||||
Operating Revenues | $ 152.4 | $ 126.6 | |||
[1]Accumulated other comprehensive income (loss) |
Condensed Consolidated Statem_2
Condensed Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions | 3 Months Ended | |
Dec. 31, 2022 | Dec. 31, 2021 | |
Net Income | $ 91 | $ 55.7 |
Other Comprehensive Loss, Before Tax: | ||
Net hedging loss arising during the period | (3) | (4.8) |
Amounts reclassified into net income | (0.3) | (0.3) |
Net loss on cash flow hedging derivative instruments | (3.3) | (5.1) |
Net gain on defined benefit pension and other postretirement plans | 0.1 | 0.1 |
Net unrealized loss on available for sale securities | 0 | (0.1) |
Other Comprehensive Loss, Before Tax | (3.2) | (5.1) |
Income Tax Benefit Related to Items of Other Comprehensive Loss | (0.8) | (1.2) |
Other Comprehensive Loss, Net of Tax | (2.4) | (3.9) |
Comprehensive Income | $ 88.6 | $ 51.8 |
Condensed Consolidated Balance
Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Millions | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 | |
ASSETS | ||||
Utility Plant | $ 7,769.4 | $ 7,664.9 | $ 7,329.2 | |
Less: Accumulated depreciation and amortization | 2,326.5 | 2,294.5 | 2,204.4 | |
Net Utility Plant | 5,442.9 | 5,370.4 | 5,124.8 | |
Non-utility Property (net of accumulated depreciation and amortization of $55.6, $50.7 and $36.7 at December 31, 2022, September 30, 2022, and December 31, 2021, respectively) | 508.9 | 491.4 | 474.2 | |
Other Investments | 93.5 | 87.8 | 90.4 | |
Total Other Property and Investments | 602.4 | 579.2 | 564.6 | |
Other Property and Investments | 602.4 | 579.2 | 564.6 | |
Current Assets: | ||||
Cash and cash equivalents | 4.8 | 6.5 | 8.2 | |
Utility | 479.4 | 210.8 | 476.2 | |
Other | 334.7 | 443.8 | 304.2 | |
Allowance for credit losses | (34.5) | (31.9) | (31.4) | |
Delayed customer billings | 26.7 | 21.3 | 11.4 | |
Accounts receivable: | ||||
Utility | 479.4 | 210.8 | 476.2 | |
Other | 334.7 | 443.8 | 304.2 | |
Allowance for credit losses | (34.5) | (31.9) | (31.4) | |
Delayed customer billings | 26.7 | 21.3 | 11.4 | |
Inventories: | ||||
Natural gas | 320 | 371.8 | 284.8 | |
Propane gas | 8.6 | 8.6 | 8.7 | |
Materials and supplies | 44.1 | 41.9 | 32.1 | |
Regulatory assets | 269.1 | 355.4 | 265.7 | |
Prepayments | 31.6 | 41.1 | 25.5 | |
Other current assets | 145.2 | 122.7 | 49.9 | |
Total Current Assets | 1,629.7 | 1,592 | 1,435.3 | |
Deferred Charges and Other Assets: | ||||
Goodwill | 1,171.6 | 1,171.6 | 1,171.6 | |
Regulatory assets | 1,220.7 | 1,112.4 | 1,089.9 | |
Other | 260.4 | 258.1 | 264.3 | |
Total Deferred Charges and Other Assets | 2,652.7 | 2,542.1 | 2,525.8 | |
Total Assets | 10,327.7 | 10,083.7 | 9,650.5 | |
Capitalization: | ||||
Preferred stock ($25.00 par value per share; 10.0 million depositary shares authorized, issued and outstanding at December 31, 2022, September 30, 2022, and December 31, 2021) | 242 | 242 | 242 | |
Common stock (par value $1.00 per share; 70.0 million shares authorized; 52.5 million, 52.5 million, and 51.7 million shares issued and outstanding at December 31, 2022, September 30, 2022, and December 31, 2021, respectively) | 52.5 | 52.5 | 51.7 | |
Paid-in capital | 1,571.8 | 1,571.3 | 1,516.9 | |
Retained earnings | 953 | 905.5 | 859.5 | |
Accumulated other comprehensive income (loss) | 44.8 | 47.2 | (0.3) | |
Total Shareholders' Equity | 2,864.1 | 2,818.5 | 2,669.8 | |
Temporary equity | 16.2 | 13.1 | 9.8 | |
Long-term debt (less current portion) | 3,156.3 | 2,958.5 | 3,206.8 | |
Total Capitalization | 6,036.6 | 5,790.1 | 5,886.4 | |
Current Liabilities: | ||||
Current portion of long-term debt | 256.6 | 281.2 | 31.2 | |
Notes payable | 1,227 | 1,037.5 | 846 | |
Accounts payable | 506.8 | 617.4 | 427.5 | |
Advance customer billings | 16.9 | 18.7 | 31.3 | |
Wages and compensation accrued | 30.6 | 50.2 | 29.9 | |
Customer deposits | 28.8 | 28.2 | 29.4 | |
Taxes accrued | 57.6 | 90.1 | 47.2 | |
Regulatory liabilities | 3.7 | 3.7 | 4.1 | |
Other current liabilities | 276.7 | 226.6 | 274.1 | |
Total Current Liabilities | 2,404.7 | 2,353.6 | 1,720.7 | |
Deferred Credits and Other Liabilities: | ||||
Deferred income taxes | 699.4 | 675.1 | 615.6 | |
Pension and postretirement benefit costs | 159.3 | 163 | 222.5 | |
Asset retirement obligations | 526.2 | 520.9 | 524.8 | |
Regulatory liabilities | 344.9 | 418.2 | 531.8 | |
Other noncurrent liabilities | 156.6 | 162.8 | 148.7 | |
Total Deferred Credits and Other Liabilities | 1,886.4 | 1,940 | 2,043.4 | |
Commitments and Contingencies (Note 10) | ||||
Total Capitalization and Liabilities | 10,327.7 | 10,083.7 | 9,650.5 | |
Spire Missouri [Member] | ||||
ASSETS | ||||
Utility Plant | 4,632.6 | 4,550.4 | 4,347.8 | |
Less: Accumulated depreciation and amortization | 1,003.4 | 982.1 | 927.4 | |
Net Utility Plant | 3,629.2 | 3,568.3 | 3,420.4 | |
Total Other Property and Investments | 66.5 | 58.9 | 68.9 | |
Other Property and Investments | 66.5 | 58.9 | 68.9 | |
Current Assets: | ||||
Utility | 357.2 | 131.5 | 377.4 | |
Associated companies | 5.8 | 3.7 | 3.7 | |
Other | 28.6 | 44.5 | 36.3 | |
Allowance for credit losses | (28.2) | (24.9) | (23.8) | |
Delayed customer billings | 21.5 | 16.1 | 4.7 | |
Accounts receivable: | ||||
Utility | 357.2 | 131.5 | 377.4 | |
Other | 28.6 | 44.5 | 36.3 | |
Allowance for credit losses | (28.2) | (24.9) | (23.8) | |
Delayed customer billings | 21.5 | 16.1 | 4.7 | |
Associated companies | 5.8 | 3.7 | 3.7 | |
Inventories: | ||||
Natural gas | 189.9 | 215.3 | 186.6 | |
Propane gas | 8.6 | 8.6 | 8.7 | |
Materials and supplies | 23 | 22 | 16.2 | |
Regulatory assets | 191.2 | 288.1 | 236.9 | |
Prepayments | 15.8 | 23.3 | 18.4 | |
Total Current Assets | 813.4 | 728.2 | 865.1 | |
Deferred Charges and Other Assets: | ||||
Goodwill | 210.2 | 210.2 | 210.2 | |
Regulatory assets | 634.7 | 547.6 | 560.5 | |
Other | 106 | 105 | 126.2 | |
Total Deferred Charges and Other Assets | 950.9 | 862.8 | 896.9 | |
Total Assets | 5,460 | 5,218.2 | 5,251.3 | |
Capitalization: | ||||
Retained earnings | 979.2 | 931.9 | 862.3 | |
Accumulated other comprehensive income (loss) | (2.6) | (2.7) | (4.1) | |
Total Shareholders' Equity | [1] | 1,792.8 | 1,745.4 | 1,623.3 |
Long-term debt (less current portion) | 1,388.1 | 1,387.7 | 1,637 | |
Total Capitalization | 3,180.9 | 3,133.1 | 3,260.3 | |
Paid-in capital and common stock (par value $1.00 per share; 50.0 million shares authorized; 25,325, 25,325, and 24,577 shares issued and outstanding at December 31, 2022, September 30, 2022, and December 31, 2021, respectively) | 816.2 | 816.2 | 765.1 | |
Current Liabilities: | ||||
Current portion of long-term debt | 250 | 250 | 0 | |
Notes payable | 0 | 0 | 250 | |
Accounts payable | 166.6 | 119 | 117 | |
Advance customer billings | 5.3 | 7 | 20 | |
Wages and compensation accrued | 21.5 | 33.8 | 21 | |
Customer deposits | 6.3 | 6.5 | 8 | |
Taxes accrued | 24.3 | 50.4 | 15.4 | |
Regulatory liabilities | 0 | 0 | 0.2 | |
Other current liabilities | 92.9 | 45.6 | 89.2 | |
Total Current Liabilities | 1,238.2 | 970.9 | 712.8 | |
Notes payable – associated companies | 651.2 | 445.3 | 180.4 | |
Accounts payable – associated companies | 20.1 | 13.3 | 11.6 | |
Deferred Credits and Other Liabilities: | ||||
Deferred income taxes | 512.4 | 500.1 | 477.5 | |
Pension and postretirement benefit costs | 101.9 | 115.5 | 147.9 | |
Asset retirement obligations | 111.7 | 110.6 | 144.8 | |
Regulatory liabilities | 259 | 331.8 | 447.2 | |
Other noncurrent liabilities | 55.9 | 56.2 | 60.8 | |
Total Deferred Credits and Other Liabilities | 1,040.9 | 1,114.2 | 1,278.2 | |
Commitments and Contingencies (Note 10) | ||||
Total Capitalization and Liabilities | 5,460 | 5,218.2 | 5,251.3 | |
Spire Alabama Inc [Member] | ||||
ASSETS | ||||
Utility Plant | 2,755.8 | 2,732.6 | 2,604.8 | |
Less: Accumulated depreciation and amortization | 1,196.5 | 1,184.1 | 1,137.9 | |
Net Utility Plant | 1,559.3 | 1,548.5 | 1,466.9 | |
Current Assets: | ||||
Cash and cash equivalents | 0 | 2.4 | 0 | |
Utility | 100.2 | 69.9 | 84.6 | |
Associated companies | 0.8 | 1.3 | 1.3 | |
Other | 5.4 | 6.5 | 7.5 | |
Allowance for credit losses | (5.5) | (6.3) | (6.7) | |
Delayed customer billings | 4.8 | 4.8 | 6.5 | |
Accounts receivable: | ||||
Utility | 100.2 | 69.9 | 84.6 | |
Other | 5.4 | 6.5 | 7.5 | |
Allowance for credit losses | (5.5) | (6.3) | (6.7) | |
Delayed customer billings | 4.8 | 4.8 | 6.5 | |
Associated companies | 0.8 | 1.3 | 1.3 | |
Inventories: | ||||
Natural gas | 66.1 | 72.5 | 44.7 | |
Materials and supplies | 17.2 | 16.3 | 12.8 | |
Regulatory assets | 67.3 | 56.9 | 14.6 | |
Prepayments | 4.1 | 5.8 | 3.6 | |
Total Current Assets | 260.4 | 230.1 | 168.9 | |
Deferred Charges and Other Assets: | ||||
Regulatory assets | 560.4 | 538.2 | 501.7 | |
Other | 81.7 | 81.3 | 63.2 | |
Total Deferred Charges and Other Assets | 649.9 | 630.5 | 594.9 | |
Total Assets | 2,469.6 | 2,409.1 | 2,230.7 | |
Deferred income taxes | 7.8 | 11 | 30 | |
Capitalization: | ||||
Retained earnings | 595.3 | 589.1 | 556.8 | |
Total Shareholders' Equity | 900.7 | 906 | 879.7 | |
Long-term debt (less current portion) | 745.6 | 571.5 | 571.3 | |
Total Capitalization | 1,646.3 | 1,477.5 | 1,451 | |
Paid-in capital and common stock (par value $1.00 per share; 50.0 million shares authorized; 25,325, 25,325, and 24,577 shares issued and outstanding at December 31, 2022, September 30, 2022, and December 31, 2021, respectively) | 305.4 | 316.9 | 322.9 | |
Current Liabilities: | ||||
Accounts payable | 87.1 | 85.6 | 58.1 | |
Advance customer billings | 9.7 | 9.9 | 10.2 | |
Wages and compensation accrued | 3.2 | 7.6 | 4.1 | |
Customer deposits | 19.7 | 19 | 18.8 | |
Taxes accrued | 28.8 | 31.3 | 27.3 | |
Regulatory liabilities | 0 | 0 | 0.8 | |
Other current liabilities | 20.7 | 22.4 | 19.4 | |
Total Current Liabilities | 319 | 441.1 | 316 | |
Notes payable – associated companies | 145.8 | 260.9 | 173.7 | |
Accounts payable – associated companies | 4 | 4.4 | 3.6 | |
Deferred Credits and Other Liabilities: | ||||
Pension and postretirement benefit costs | 51.4 | 40.5 | 65.1 | |
Asset retirement obligations | 402.8 | 398.7 | 366.4 | |
Regulatory liabilities | 22.2 | 23 | 25.3 | |
Other noncurrent liabilities | 27.9 | 28.3 | 6.9 | |
Total Deferred Credits and Other Liabilities | 504.3 | 490.5 | 463.7 | |
Total Capitalization and Liabilities | $ 2,469.6 | $ 2,409.1 | $ 2,230.7 | |
[1]Accumulated other comprehensive income (loss) |
Condensed Consolidated Balanc_2
Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Millions | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 |
Non-utility property, accumulated depreciation and amortization | $ 55.6 | $ 50.7 | $ 36.7 |
Preferred stock, par value (in dollars per share) | $ 25 | $ 25 | $ 25 |
Common stock, par value (in dollars per share) | $ 1 | $ 1 | $ 1 |
Common stock, shares authorized (in shares) | 70,000,000 | 70,000,000 | 70,000,000 |
Common stock, shares issued (in shares) | 52,500,000 | 52,500,000 | 51,700,000 |
Common Stock, shares outstanding (in shares) | 52,500,000 | 52,500,000 | 51,700,000 |
Depositary Shares [Member] | |||
Preferred stock, shares authorized (in shares) | 10,000,000 | 10,000,000 | 10,000,000 |
Preferred stock, shares issued (in shares) | 10,000,000 | 10,000,000 | 10,000,000 |
Preferred stock, shares outstanding (in shares) | 10,000,000 | 10,000,000 | 10,000,000 |
Spire Missouri [Member] | |||
Common stock, par value (in dollars per share) | $ 1 | $ 1 | $ 1 |
Common stock, shares authorized (in shares) | 50,000,000 | 50,000,000 | 50,000,000 |
Common stock, shares issued (in shares) | 25,325 | 25,325 | 24,577 |
Common Stock, shares outstanding (in shares) | 25,325 | 25,325 | 24,577 |
Spire Alabama Inc [Member] | |||
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01 | $ 0.01 |
Common stock, shares authorized (in shares) | 3,000,000 | 3,000,000 | 3,000,000 |
Common stock, shares issued (in shares) | 2,000,000 | 2,000,000 | 2,000,000 |
Common Stock, shares outstanding (in shares) | 2,000,000 | 2,000,000 | 2,000,000 |
Condensed Consolidated Statem_3
Condensed Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Millions | Spire Missouri [Member] Common Stock [Member] | Spire Missouri [Member] Additional Paid-in Capital [Member] | Spire Missouri [Member] Retained Earnings [Member] | Spire Missouri [Member] AOCI Attributable to Parent [Member] | Spire Missouri [Member] | [1] | Spire Alabama Inc [Member] Common Stock [Member] | Spire Alabama Inc [Member] Additional Paid-in Capital [Member] | Spire Alabama Inc [Member] Retained Earnings [Member] | Spire Alabama Inc [Member] | Common Stock [Member] | Preferred Stock [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | Total | |
Balance (in shares) at Sep. 30, 2021 | 24,577 | 1,972,052 | 51,684,883 | ||||||||||||||
Balance at Sep. 30, 2021 | $ 0.1 | $ 765 | $ 817 | $ (4.2) | $ 1,577.9 | $ 0 | $ 328.9 | $ 552.6 | $ 881.5 | $ 51.7 | $ 242 | $ 1,517.9 | $ 843 | $ 3.6 | [1] | $ 2,658.2 | |
Net Income | 0 | 0 | 45.3 | 0 | 45.3 | 0 | 0 | 12.2 | 12.2 | $ 0 | 0 | 0 | 55.7 | 0 | [1] | 55.7 | |
Dividend reinvestment plan (in shares) | 6,233 | ||||||||||||||||
Dividend reinvestment plan | $ 0 | 0 | 0.4 | 0 | 0 | [1] | 0.4 | ||||||||||
Stock-based compensation costs | $ 0 | 0 | 0.3 | 0 | 0 | [1] | 0.3 | ||||||||||
Stock issued under stock-based compensation plans (in shares) | 77,976 | ||||||||||||||||
Stock issued under stock-based compensation plans | $ 0 | 0 | 0 | 0 | 0 | [1] | 0 | ||||||||||
Employees’ tax withholding for stock-based compensation (in shares) | (26,611) | ||||||||||||||||
Employees’ tax withholding for stock-based compensation | $ 0 | 0 | (1.7) | 0 | 0 | [1] | (1.7) | ||||||||||
Temporary equity adjustment to redemption value | 0 | 0 | 0 | 0.1 | 0 | [1] | 0.1 | ||||||||||
Common stock dividends | $ 0 | 0 | (8) | (8) | 0 | 0 | 0 | (35.6) | 0 | [1] | (35.6) | ||||||
Preferred stock dividends | 0 | 0 | 0 | (3.7) | 0 | [1] | (3.7) | ||||||||||
Other Comprehensive Income, Net of Tax | $ 0 | 0 | 0 | 0.1 | 0.1 | $ 0 | 0 | 0 | 0 | (3.9) | (3.9) | ||||||
Balance (in shares) at Dec. 31, 2021 | 24,577 | 1,972,052 | 51,742,481 | ||||||||||||||
Balance at Dec. 31, 2021 | $ 0.1 | 765 | 862.3 | (4.1) | 1,623.3 | $ 0 | 322.9 | 556.8 | 879.7 | $ 51.7 | $ 242 | 1,516.9 | 859.5 | (0.3) | [1] | 2,669.8 | |
Return of capital to Spire | $ 0 | (6) | 0 | (6) | |||||||||||||
Balance (in shares) at Sep. 30, 2022 | 25,325 | 1,972,052 | 52,494,543 | 242 | |||||||||||||
Balance at Sep. 30, 2022 | $ 0.1 | 816.1 | 931.9 | (2.7) | 1,745.4 | $ 0 | 316.9 | 589.1 | 906 | $ 52.5 | 1,571.3 | 905.5 | 47.2 | [1] | 2,818.5 | ||
Net Income | 0 | 0 | 47.3 | 0 | 47.3 | 0 | 0 | 9.2 | 9.2 | $ 0 | 0 | 91 | 0 | [1] | 91 | ||
Dividend reinvestment plan (in shares) | 5,700 | 0 | |||||||||||||||
Dividend reinvestment plan | $ 0 | 0.4 | 0 | 0 | [1] | 0.4 | |||||||||||
Stock-based compensation costs | $ 0 | 1.4 | 0 | 0 | [1] | 1.4 | |||||||||||
Stock issued under stock-based compensation plans (in shares) | 58,678 | 0 | |||||||||||||||
Stock issued under stock-based compensation plans | $ 0 | 0 | 0 | 0 | [1] | 0 | |||||||||||
Employees’ tax withholding for stock-based compensation (in shares) | (17,225) | 0 | |||||||||||||||
Employees’ tax withholding for stock-based compensation | $ 0 | (1.3) | 0 | 0 | [1] | (1.3) | |||||||||||
Temporary equity adjustment to redemption value | 0 | 0 | (1.7) | 0 | [1] | (1.7) | |||||||||||
Common stock dividends | $ 0 | 0 | (3) | (3) | 0 | 0 | (38.1) | 0 | [1] | (38.1) | |||||||
Preferred stock dividends | 0 | 0 | (3.7) | 0 | [1] | (3.7) | |||||||||||
Other Comprehensive Income, Net of Tax | $ 0 | 0 | 0 | 0.1 | 0.1 | $ 0 | 0 | 0 | (2.4) | (2.4) | |||||||
Balance (in shares) at Dec. 31, 2022 | 25,325 | 1,972,052 | 52,541,696 | 242 | |||||||||||||
Balance at Dec. 31, 2022 | $ 0.1 | $ 816.1 | $ 979.2 | $ (2.6) | $ 1,792.8 | $ 0 | 305.4 | 595.3 | 900.7 | $ 52.5 | $ 1,571.8 | $ 953 | $ 44.8 | [1] | $ 2,864.1 | ||
Return of capital to Spire | $ 0 | $ (11.5) | $ 0 | $ (11.5) | |||||||||||||
[1]Accumulated other comprehensive income (loss) |
Condensed Consolidated Statem_4
Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (Parentheticals) - $ / shares | 3 Months Ended | |
Dec. 31, 2022 | Dec. 31, 2021 | |
Common stock, dividends per share declared (in dollars per share) | $ 0.72 | $ 0.65 |
Preferred stock dividends per share declared (in dollars per share) | $ 0.36875 | $ 0.36875 |
Condensed Consolidated Statem_5
Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions | 3 Months Ended | ||||
Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | ||
Operating Activities: | |||||
Net Income | $ 91 | $ 91 | $ 55.7 | $ 55.7 | |
Adjustments to reconcile net income to net cash used in operating activities: | |||||
Depreciation and amortization | 62.1 | 56.9 | |||
Deferred income taxes and investment tax credits | 21.6 | 18.4 | |||
Changes in assets and liabilities: | |||||
Accounts receivable | (156.9) | (152.8) | |||
Inventories | 49.7 | (20.5) | |||
Regulatory assets and liabilities | (90.1) | (187.3) | |||
Accounts payable | (96.7) | 42.9 | |||
Delayed/advance customer billings, net | (7.2) | (2.9) | |||
Taxes accrued | (32.1) | (31.4) | |||
Other assets and liabilities | (15.6) | (9.6) | |||
Other | 3.4 | 0.7 | |||
Net cash used in operating activities | (170.8) | (229.9) | |||
Delayed/advance customer billings, net | (7.2) | (2.9) | |||
Investing Activities: | |||||
Capital expenditures | (154.8) | (145.7) | |||
Other | 3.1 | 2.6 | |||
Net cash used in investing activities | (151.7) | (143.1) | |||
Financing Activities: | |||||
Issuance of long-term debt | 205 | 300 | |||
Repayment of long-term debt | (31.2) | (55.8) | |||
Issuance of short-term debt, net | 189.5 | 174 | |||
Issuance of common stock | 0.4 | 0.4 | |||
Dividends paid on common stock | (36.3) | (34.6) | |||
Dividends paid on preferred stock | (3.7) | (3.7) | |||
Other financing activities | (2.7) | (3.4) | |||
Net cash provided by financing activities | 321 | 376.9 | |||
Net (Decrease) Increase in Cash, Cash Equivalents, and Restricted Cash | (1.5) | 3.9 | |||
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period | 20.5 | 11.3 | |||
Cash, Cash Equivalents, and Restricted Cash at End of Period | 19 | 20.5 | 15.2 | 11.3 | |
Supplemental disclosure of cash paid for: | |||||
Interest, net of amounts capitalized | (36.9) | (23.3) | |||
Income taxes | (0.3) | (0.2) | |||
Spire Missouri [Member] | |||||
Operating Activities: | |||||
Net Income | [1] | 47.3 | 45.3 | ||
Adjustments to reconcile net income to net cash used in operating activities: | |||||
Depreciation and amortization | 38.6 | 34.2 | |||
Deferred income taxes and investment tax credits | 8.1 | 11.5 | |||
Changes in assets and liabilities: | |||||
Accounts receivable | (208.5) | (74.9) | |||
Inventories | 24.4 | (11.1) | |||
Regulatory assets and liabilities | (61.5) | (161.3) | |||
Accounts payable | 66.4 | 38.3 | |||
Delayed/advance customer billings, net | (7.1) | (2) | |||
Taxes accrued | (26.2) | (25.8) | |||
Other assets and liabilities | 13.2 | 3.8 | |||
Other | 0.4 | 0.2 | |||
Net cash used in operating activities | (104.9) | (141.8) | |||
Delayed/advance customer billings, net | (7.1) | (2) | |||
Investing Activities: | |||||
Capital expenditures | (102) | (96.3) | |||
Other | 1 | 0.4 | |||
Net cash used in investing activities | (101) | (95.9) | |||
Financing Activities: | |||||
Issuance of long-term debt | 0 | 300 | |||
Other financing activities | 0 | (1.7) | |||
Net cash provided by financing activities | 205.9 | 237.7 | |||
Net (Decrease) Increase in Cash, Cash Equivalents, and Restricted Cash | 0 | 0 | |||
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period | 0 | 0 | |||
Cash, Cash Equivalents, and Restricted Cash at End of Period | 0 | 0 | 0 | 0 | |
Borrowings from (repayments to) Spire, net | 205.9 | (60.6) | |||
Supplemental disclosure of cash paid for: | |||||
Interest, net of amounts capitalized | (21) | (15.3) | |||
Income taxes | 0 | 0 | |||
Spire Alabama Inc [Member] | |||||
Operating Activities: | |||||
Net Income | 9.2 | 12.2 | |||
Adjustments to reconcile net income to net cash used in operating activities: | |||||
Depreciation and amortization | 17 | 16.5 | |||
Deferred income taxes and investment tax credits | 3.2 | 4.2 | |||
Changes in assets and liabilities: | |||||
Accounts receivable | (29.5) | (36.5) | |||
Inventories | 5.6 | (11.1) | |||
Regulatory assets and liabilities | (29.7) | (21.4) | |||
Accounts payable | 10.9 | 15.8 | |||
Delayed/advance customer billings, net | (0.1) | (0.9) | |||
Taxes accrued | (2.5) | (3.2) | |||
Other assets and liabilities | 15.1 | (2) | |||
Other | 0.1 | (0.2) | |||
Net cash used in operating activities | (0.7) | (26.6) | |||
Delayed/advance customer billings, net | (0.1) | (0.9) | |||
Investing Activities: | |||||
Capital expenditures | (38.2) | (34.7) | |||
Other | 0.1 | 0.6 | |||
Net cash used in investing activities | (38.1) | (34.1) | |||
Financing Activities: | |||||
Issuance of long-term debt | 175 | 0 | |||
Repayment of long-term debt | 0 | (50) | |||
Dividends paid on common stock | (11) | (8) | |||
Other financing activities | (1) | 0 | |||
Net cash provided by financing activities | 36.4 | 60.7 | |||
Net (Decrease) Increase in Cash, Cash Equivalents, and Restricted Cash | (2.4) | 0 | |||
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period | 2.4 | 0 | |||
Cash, Cash Equivalents, and Restricted Cash at End of Period | 0 | $ 2.4 | 0 | $ 0 | |
Borrowings from (repayments to) Spire, net | (115.1) | 124.7 | |||
Return of capital to Spire | (11.5) | (6) | |||
Supplemental disclosure of cash paid for: | |||||
Interest, net of amounts capitalized | (5.8) | (5.2) | |||
Income taxes | $ 0 | $ 0 | |||
[1]Accumulated other comprehensive income (loss) |
Note 1 - Summary of Significant
Note 1 - Summary of Significant Accounting Policies | 3 Months Ended |
Dec. 31, 2022 | |
Notes to Financial Statements | |
Significant Accounting Policies [Text Block] | 1. BASIS OF PRESENTATION The accompanying unaudited financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information with the instructions to Form 10 10 01 not 10 10 September 30, 2022. The consolidated financial position, results of operations, and cash flows of Spire include the accounts of the Company and all its subsidiaries. Transactions and balances between consolidated entities have been eliminated from the consolidated financial statements of Spire. In compliance with GAAP, transactions between Spire Missouri and Spire Alabama and their affiliates, as well as intercompany balances on their balance sheets, have not Certain information is presented by reportable segment, as described below. Effective during the first 2023, NATURE OF OPERATIONS three Note 9 Nearly all the Company’s earnings are derived from its Gas Utility segment. Due to the seasonal nature of the Utilities’ business and the volumetric Spire Missouri rate design, earnings are typically concentrated during the heating season of November April not REGULATED OPERATIONS 980, Regulated Operations third may As authorized by the Missouri Public Service Commission (MoPSC), the Mississippi Public Service Commission (MSPSC) and the Alabama Public Service Commission (APSC), the Purchased Gas Adjustment (PGA) clauses and Gas Supply Adjustment (GSA) riders allow the Utilities to pass through to customers the cost of purchased gas supplies. Regulatory assets and liabilities related to the PGA clauses and the GSA riders are both labeled Unamortized Purchased Gas Adjustments herein. See additional information about regulatory assets and liabilities in Note 4 DERIVATIVES 815, Derivatives and Hedging not TRANSACTIONS WITH AFFILIATES Three Months Ended December 31, 2022 2021 Spire Missouri Purchases of natural gas from Spire Marketing Inc. $ 28.5 $ 18.2 Transportation services received from Spire STL Pipeline LLC 8.1 8.1 Spire Alabama Purchases of natural gas from Spire Marketing Inc. $ 1.1 $ — RESTRICTED CASH December 31, 2022, December 31, 2022 September 30, 2022, ACCRUED CAPITAL EXPENDITURES December 31, September 30, December 31, 2022 2022 2021 Spire $ 63.1 $ 77.8 $ 33.5 Spire Missouri 32.8 45.6 27.2 Spire Alabama 9.4 19.2 1.2 ACCOUNTS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES not Spire Spire Missouri Spire Alabama Three Months Ended December 31, 2022 2021 2022 2021 2022 2021 Allowance at beginning of period $ 31.9 $ 30.3 $ 24.9 $ 22.6 $ 6.3 $ 6.6 Provision for expected credit losses 4.1 1.5 3.8 2.1 0.2 (0.5 ) Write-offs, net of recoveries (1.5 ) (0.4 ) (0.5 ) (0.9 ) (1.0 ) 0.6 Allowance at end of period $ 34.5 $ 31.4 $ 28.2 $ 23.8 $ 5.5 $ 6.7 |
Note 2 - Revenue
Note 2 - Revenue | 3 Months Ended |
Dec. 31, 2022 | |
Notes to Financial Statements | |
Revenue from Contract with Customer [Text Block] | 2. The following tables show revenue disaggregated by source and customer type. Three Months Ended December 31, 2022 2021 Spire Gas Utility: Residential $ 518.0 $ 342.0 Commercial and industrial 170.6 103.8 Transportation 30.9 31.2 Off-system and other incentive 7.6 4.8 Other customer revenue 4.4 3.6 Total revenue from contracts with customers 731.5 485.4 Changes in accrued revenue under alternative revenue programs 1.5 18.1 Total Gas Utility operating revenues 733.0 503.5 Gas Marketing 74.1 47.9 Midstream 15.2 12.9 Other 4.0 3.7 Total before eliminations 826.3 568.0 Intersegment eliminations (see Note 9, Information by Operating Segment) (12.3 ) (12.6 ) Total Operating Revenues $ 814.0 $ 555.4 Spire Missouri Residential $ 400.6 $ 247.1 Commercial and industrial 122.9 68.2 Transportation 9.1 9.2 Off-system and other incentive 5.1 4.5 Other customer revenue 2.0 2.3 Total revenue from contracts with customers 539.7 331.3 Changes in accrued revenue under alternative revenue programs 1.5 16.6 Total Operating Revenues $ 541.2 $ 347.9 Spire Alabama Residential $ 96.3 $ 80.1 Commercial and industrial 33.6 26.0 Transportation 19.3 19.4 Off-system and other incentive 2.4 0.4 Other customer revenue 1.2 0.8 Total revenue from contracts with customers 152.8 126.7 Changes in accrued revenue under alternative revenue programs (0.4 ) (0.1 ) Total Operating Revenues $ 152.4 $ 126.6 Gross receipts taxes associated with the Company’s natural gas utility services are imposed on the Company, Spire Missouri, and Spire Alabama and billed to its customers. The expense amounts (shown in the table below) are reported gross in the “Taxes, other than income taxes” line in the statements of income, and corresponding revenues are reported in “Operating Revenues.” Three Months Ended December 31, 2022 2021 Spire $ 30.4 $ 21.9 Spire Missouri 22.1 14.9 Spire Alabama 6.8 5.7 |
Note 3 - Earnings Per Common Sh
Note 3 - Earnings Per Common Share | 3 Months Ended |
Dec. 31, 2022 | |
Notes to Financial Statements | |
Earnings Per Share [Text Block] | 3. Three Months Ended December 31, 2022 2021 Basic Earnings Per Common Share: Net Income $ 91.0 $ 55.7 Less: Provision for preferred dividends 3.7 3.7 Income allocated to participating securities 0.1 0.1 Income Available to Common Shareholders $ 87.2 $ 51.9 Weighted Average Common Shares Outstanding (in millions) 52.4 51.6 Basic Earnings Per Common Share $ 1.66 $ 1.01 Diluted Earnings Per Common Share: Net Income $ 91.0 $ 55.7 Less: Provision for preferred dividends 3.7 3.7 Income allocated to participating securities 0.1 0.1 Income Available to Common Shareholders $ 87.2 $ 51.9 Weighted Average Common Shares Outstanding (in millions) 52.4 51.6 Dilutive Effect of Restricted Stock and Restricted Stock Units (in millions)* 0.2 0.1 Weighted Average Diluted Common Shares (in millions) 52.6 51.7 Diluted Earnings Per Common Share $ 1.66 $ 1.01 * Calculation excludes certain outstanding common shares (shown in millions by period at the right) attributable to stock units subject to performance or market conditions and restricted stock, which could have a dilutive effect in the future 0.2 0.2 |
Note 4 - Regulatory Matters
Note 4 - Regulatory Matters | 3 Months Ended |
Dec. 31, 2022 | |
Notes to Financial Statements | |
Public Utilities Disclosure [Text Block] | 4. As explained in Note 1 980, Regulated Operations December 31, 2022, September 30, 2022, December 31, 2021. December 31, September 30, December 31, Spire 2022 2022 2021 Regulatory Assets: Current: Unamortized purchased gas adjustments $ 238.9 $ 322.2 $ 242.4 Other 30.2 33.2 23.3 Total Current Regulatory Assets 269.1 355.4 265.7 Noncurrent: Pension and postretirement benefit costs 277.3 294.5 335.9 Cost of removal 506.1 493.7 444.5 Future income taxes due from customers 138.6 137.8 135.5 Energy efficiency 59.1 57.2 52.0 Unamortized purchased gas adjustments 107.9 — 27.3 Other 131.7 129.2 94.7 Total Noncurrent Regulatory Assets 1,220.7 1,112.4 1,089.9 Total Regulatory Assets $ 1,489.8 $ 1,467.8 $ 1,355.6 Regulatory Liabilities: Current: Other $ 3.7 $ 3.7 $ 4.1 Total Current Regulatory Liabilities 3.7 3.7 4.1 Noncurrent: Deferred taxes due to customers 140.9 145.3 155.5 Pension and postretirement benefit costs 156.6 172.6 172.2 Accrued cost of removal 33.7 32.9 35.3 Unamortized purchased gas adjustments — 53.0 155.0 Other 13.7 14.4 13.8 Total Noncurrent Regulatory Liabilities 344.9 418.2 531.8 Total Regulatory Liabilities $ 348.6 $ 421.9 $ 535.9 December 31, September 30, December 31, Spire Missouri 2022 2022 2021 Regulatory Assets: Current: Unamortized purchased gas adjustments $ 181.2 $ 275.1 $ 235.2 Other 10.0 13.0 1.7 Total Current Regulatory Assets 191.2 288.1 236.9 Noncurrent: Future income taxes due from customers 130.1 129.2 126.9 Pension and postretirement benefit costs 197.4 222.9 241.6 Energy efficiency 59.1 57.2 52.0 Unamortized purchased gas adjustments 107.9 — 27.3 Cost of removal 23.9 25.2 34.9 Other 116.3 113.1 77.8 Total Noncurrent Regulatory Assets 634.7 547.6 560.5 Total Regulatory Assets $ 825.9 $ 835.7 $ 797.4 Regulatory Liabilities: Current: Other $ — $ — $ 0.2 Total Current Regulatory Liabilities — — 0.2 Noncurrent: Deferred taxes due to customers 124.6 127.9 138.2 Pension and postretirement benefit costs 127.4 143.6 142.6 Accrued cost of removal — — 3.3 Unamortized purchased gas adjustments — 53.0 155.0 Other 7.0 7.3 8.1 Total Noncurrent Regulatory Liabilities 259.0 331.8 447.2 Total Regulatory Liabilities $ 259.0 $ 331.8 $ 447.4 December 31, September 30, December 31, Spire Alabama 2022 2022 2021 Regulatory Assets: Current: Unamortized purchased gas adjustments $ 54.5 $ 43.8 $ 4.1 Other 12.8 13.1 10.5 Total Current Regulatory Assets 67.3 56.9 14.6 Noncurrent: Future income taxes due from customers 2.1 2.2 2.2 Pension and postretirement benefit costs 75.1 66.5 88.7 Cost of removal 482.2 468.5 409.6 Other 1.0 1.0 1.2 Total Noncurrent Regulatory Assets 560.4 538.2 501.7 Total Regulatory Assets $ 627.7 $ 595.1 $ 516.3 Regulatory Liabilities: Current: Other $ — $ — $ 0.8 Total Current Regulatory Liabilities — — 0.8 Noncurrent: Pension and postretirement benefit costs 18.7 19.4 21.6 Other 3.5 3.6 3.7 Total Noncurrent Regulatory Liabilities 22.2 23.0 25.3 Total Regulatory Liabilities $ 22.2 $ 23.0 $ 26.1 A portion of the Company’s and Spire Missouri’s regulatory assets are not December 31, September 30, December 31, 2022 2022 2021 Spire Pension and postretirement benefit costs $ 127.0 $ 152.9 $ 163.4 Future income taxes due from customers 136.4 135.6 133.3 Unamortized purchased gas adjustments 289.1 275.1 262.5 Other 122.9 122.7 107.4 Total Regulatory Assets Not Earning a Return $ 675.4 $ 686.3 $ 666.6 Spire Missouri Pension and postretirement benefit costs $ 127.0 $ 152.9 $ 163.4 Future income taxes due from customers 130.1 129.2 126.9 Unamortized purchased gas adjustments 289.1 275.1 262.5 Other 122.9 122.7 107.4 Total Regulatory Assets Not Earning a Return $ 669.1 $ 679.9 $ 660.2 Like all the Company’s regulatory assets, these regulatory assets as of December 31, 2022 two not not 35 not not Spire Missouri In mid- February 2021, third three not February 2022, second 2022. three May 2022, The MoPSC approved compliance tariffs with an effective date of December 23, 2021, 2021 0108. November 12, 2021, March 18, 2022. April 13, 2022, may December 23, 2021 42.8 September 30, 2022, • $ 19.0 • $ 18.8 • $5.0 of prudent costs related to an April 2022 On April 1, 2022, November 4, 2022. November 18, 2022, December 26, 2022. The ISRS allows Spire Missouri expedited recovery for its investment to replace qualifying components of its infrastructure without the necessity of a formal rate case. On December 27, 2022, October 2022 February 2023. March 27, 2023. zero December 26, 2022 On May 27, 2022, first no July 11, 2022, July 29 August 1, 2022, July 25- 26, 2023. January 6, 2023, January 25, 2023, The MoPSC has initiated their annual ACA dockets (GR- 2022 0135 2022 0136 2020 2021 December 15, 2022, Spire Missouri filed its responses to these Reports and Recommendations on January 19, 2023. not The Utilities purchase the natural gas to be delivered to their customers and typically defer the recovery of this expense thereby lessening the immediate impact on customers’ bills of higher realized commodity costs. These deferred gas balances are expected to be recovered over the next 12 18 November January November 29, 2022 January 19, 2023, Spire Alabama On October 26, 2022, September 30, 2023, 2017 January 1, 2023. Spire Alabama filed GSA rate increases effective December 1, 2022, January 1, 2023, Spire In addition to those discussed above for Spire Missouri and Spire Alabama, Spire is affected by the following regulatory matters. In October 2022, 2023 January 1, 2023. On September 14, 2022, June 30, 2022, December 6, 2022, January 1, 2023. In August 2018, “August 2018 November 2018, November 2019, November 2019, August 2018 one January 2020, two June 22, 2021, September 14, 2021 December 3, 2021, December 3, 2021 February 3, 2022 February 17, 2022. March 7, 2022, one December 3, 2021 June 29, 2022, December 3, 2021 December 15, 2022, January 17, 2023, |
Note 5 - Financing
Note 5 - Financing | 3 Months Ended |
Dec. 31, 2022 | |
Notes to Financial Statements | |
Debt Disclosure [Text Block] | 5. Short-term Spire, Spire Missouri and Spire Alabama have a syndicated revolving credit facility pursuant to a loan agreement with 12 July 22, 2022, July 22, 2027. may three $1,300.0 may no December 31, 2022, December 31, 2022. Spire utilizes a commercial paper program (“CP Program”) pursuant to which Spire may may not may 365 In March 2021, March 2022. After quarter end, on January 5, 2023, October 5, 2023. one three Information about short-term borrowings, including Spire Missouri’s and Spire Alabama’s borrowings from Spire, is presented in the following table. As of December 31, 2022, Spire (Parent Only) Spire Missouri Spire Alabama Spire CP Term Spire Spire Consol- Program Loan Note Note idated Three Months Ended December 31, 2022 Highest borrowings outstanding $ 1,230.0 $ — $ 651.2 $ 274.0 $ 1,230.0 Lowest borrowings outstanding 829.5 — 439.6 76.7 829.5 Weighted average borrowings 1,071.3 — 529.6 138.3 1,071.3 Weighted average interest rate 4.4 % n/a 4.3 % 4.2 % 4.4 % As of December 31, 2022 Borrowings outstanding $ 1,227.0 $ — $ 651.2 $ 145.8 $ 1,227.0 Weighted average interest rate 4.9 % n/a 4.9 % 4.9 % 4.9 % As of September 30, 2022 Borrowings outstanding $ 1,037.5 $ — $ 445.3 $ 260.9 $ 1,037.5 Weighted average interest rate 3.3 % 0.0 % 3.3 % 3.3 % 3.3 % As of December 31, 2021 Borrowings outstanding $ 596.0 $ 250.0 $ 180.4 $ 173.7 $ 846.0 Weighted average interest rate 0.4 % 0.7 % 0.4 % 0.4 % 0.5 % Long-term The long-term debt agreements of Spire, Spire Missouri and Spire Alabama contain customary financial covenants and default provisions. As of December 31, 2022, no Interest expense shown on the statements of income is net of the capitalized interest amounts shown in the following table. Three Months Ended December 31, 2022 2021 Spire $ 1.6 $ 1.1 Spire Missouri 0.5 — Spire Alabama 0.7 0.8 On October 13, 2022, October 15, 2029, October 15, 2032, October 13, 2022, first October 15, 2037, first may |
Note 6 - Fair Value of Financia
Note 6 - Fair Value of Financial Instruments | 3 Months Ended |
Dec. 31, 2022 | |
Notes to Financial Statements | |
Fair Value Disclosures [Text Block] | 6. The carrying amounts of cash and cash equivalents, notes receivable, and short-term debt approximate fair value due to the short maturity of these instruments. The fair values of long-term debt are estimated based on market prices for similar issues. Refer to Note 7 The carrying amounts and estimated fair values of financial instruments not no 3 December 31, 2022, September 30, 2022, December 31, 2021. Classification of Estimated Fair Value Carrying Amount Fair Value Quoted Prices in Active Markets (Level 1) Significant Observable Inputs (Level 2) Spire As of December 31, 2022 Cash and cash equivalents $ 4.8 $ 4.8 $ 4.8 $ — Notes payable 1,227.0 1,227.0 — 1,227.0 Long-term debt, including current portion 3,412.9 3,083.7 — 3,083.7 As of September 30, 2022 Cash and cash equivalents $ 6.5 $ 6.5 $ 6.5 $ — Notes payable 1,037.5 1,037.5 — 1,037.5 Long-term debt, including current portion 3,239.7 2,851.8 — 2,851.8 As of December 31, 2021 Cash and cash equivalents $ 8.2 $ 8.2 $ 8.2 $ — Notes payable 846.0 846.0 — 846.0 Long-term debt, including current portion 3,238.0 3,594.4 — 3,594.4 Spire Missouri As of December 31, 2022 Notes payable – associated companies $ 651.2 $ 651.2 $ — $ 651.2 Long-term debt, including current portion 1,638.1 1,497.7 — 1,497.7 As of September 30, 2022 Notes payable – associated companies $ 445.3 $ 445.3 $ — $ 445.3 Long-term debt, including current portion 1,637.7 1,473.9 — 1,473.9 As of December 31, 2021 Notes payable $ 250.0 $ 250.0 $ — $ 250.0 Notes payable – associated companies 180.4 180.4 — 180.4 Long-term debt 1,637.0 1,830.5 — 1,830.5 Spire Alabama As of December 31, 2022 Notes payable – associated companies $ 145.8 $ 145.8 $ — $ 145.8 Long-term debt 745.6 674.5 — 674.5 As of September 30, 2022 Cash and cash equivalents $ 2.4 $ 2.4 $ 2.4 $ — Notes payable – associated companies 260.9 260.9 — 260.9 Long-term debt 571.5 485.0 — 485.0 As of December 31, 2021 Notes payable – associated companies $ 173.7 $ 173.7 $ — $ 173.7 Long-term debt, including current portion 571.3 653.6 — 653.6 |
Note 7 - Fair Value Measurement
Note 7 - Fair Value Measurement | 3 Months Ended |
Dec. 31, 2022 | |
Notes to Financial Statements | |
Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] | 7. The information presented in the following tables categorizes the assets and liabilities in the balance sheets that are accounted for at fair value on a recurring basis in periods subsequent to initial recognition. The mutual funds included in Level 1 Derivative instruments included in Level 1 2 2 3 no 3 December 31, 2022, September 30, 2022, December 31, 2021. The mutual funds are included in “Other Investments” on the Company’s balance sheets and in “Other Property and Investments” on Spire Missouri’s balance sheets. Changes in their recurring valuations are recorded as unrealized gains or losses in the corresponding income statement. Derivative assets and liabilities, including receivables and payables associated with cash margin requirements, are presented net in the balance sheets when a legally enforceable netting agreement exists between the Company, Spire Missouri, or Spire Alabama and the counterparty to a derivative contract. Spire Quoted Prices in Active Markets (Level 1) Significant Observable Inputs (Level 2) Effects of Netting and Cash Margin Receivables /Payables Total As of December 31, 2022 ASSETS Gas Utility: U.S. stock/bond mutual funds $ 19.5 $ — $ — $ 19.5 NYMEX/ICE natural gas contracts 0.4 — (0.4 ) — Gasoline and heating oil contracts 0.2 — (0.2 ) — Gas Marketing: NYMEX/ICE natural gas contracts 52.0 — (52.0 ) — Natural gas commodity contracts 92.9 — (13.2 ) 79.7 Other: U.S. stock/bond mutual funds 28.3 — — 28.3 Interest rate swaps 61.4 — — 61.4 Total $ 254.7 $ — $ (65.8 ) $ 188.9 LIABILITIES Gas Utility: NYMEX/ICE natural gas contracts $ 35.7 $ — $ (35.7 ) $ — Gasoline and heating oil contracts 0.2 — (0.2 ) — Gas Marketing: NYMEX/ICE natural gas contracts 58.4 — (58.4 ) — Natural gas commodity contracts 71.1 — (13.2 ) 57.9 Other: Interest rate swaps 0.8 — — 0.8 Total $ 166.2 $ — $ (107.5 ) $ 58.7 Quoted Prices in Active Markets (Level 1) Significant Observable Inputs (Level 2) Effects of Netting and Cash Margin Receivables /Payables Total As of September 30, 2022 ASSETS Gas Utility: U.S. stock/bond mutual funds $ 19.1 $ — $ — $ 19.1 NYMEX/ICE natural gas contracts 57.8 — (57.8 ) — Gas Marketing: NYMEX/ICE natural gas contracts 91.8 — (91.8 ) — Natural gas commodity contracts 56.6 — (4.0 ) 52.6 Other: U.S. stock/bond mutual funds 29.3 — — 29.3 Interest rate swaps 63.6 — — 63.6 Total $ 318.2 $ — $ (153.6 ) $ 164.6 LIABILITIES Gas Utility: NYMEX/ICE natural gas contracts $ 30.7 $ — $ (30.7 ) $ — Gas Marketing: NYMEX/ICE natural gas contracts 82.3 — (82.3 ) — Natural gas commodity contracts 65.5 — (4.0 ) 61.5 Total $ 178.5 $ — $ (117.0 ) $ 61.5 As of December 31, 2021 ASSETS Gas Utility: U.S. stock/bond mutual funds $ 24.8 $ — $ — $ 24.8 NYMEX/ICE natural gas contracts 2.4 — (2.4 ) — Gas Marketing: NYMEX/ICE natural gas contracts — 67.0 (67.0 ) — Natural gas commodity contracts — 40.4 (2.3 ) 38.1 Other: U.S. stock/bond mutual funds 24.6 — — 24.6 Interest rate swaps 9.4 — (5.6 ) 3.8 Total $ 61.2 $ 107.4 $ (77.3 ) $ 91.3 LIABILITIES Gas Utility: NYMEX/ICE natural gas contracts $ 8.6 $ — $ (8.6 ) $ — Gas Marketing: NYMEX/ICE natural gas contracts — 40.2 (40.2 ) — Natural gas commodity contracts — 77.9 (2.3 ) 75.6 Other: Interest rate swaps 7.3 — (5.6 ) 1.7 Total $ 15.9 $ 118.1 $ (56.7 ) $ 77.3 Spire Missouri Quoted Prices in Active Markets (Level 1) Significant Observable Inputs (Level 2) Effects of Netting and Cash Margin Receivables /Payables Total As of December 31, 2022 ASSETS U.S. stock/bond mutual funds $ 19.5 $ — $ — $ 19.5 NYMEX/ICE natural gas contracts 0.4 — (0.4 ) — Gasoline and heating oil contracts 0.2 — (0.2 ) — Total $ 20.1 $ — $ (0.6 ) $ 19.5 LIABILITIES NYMEX/ICE natural gas contracts $ 35.7 $ — $ (35.7 ) $ — Gasoline and heating oil contracts 0.2 — (0.2 ) — Total $ 35.9 $ — $ (35.9 ) $ — As of September 30, 2022 ASSETS U.S. stock/bond mutual funds $ 19.1 $ — $ — $ 19.1 NYMEX/ICE natural gas contracts 57.8 — (57.8 ) — Total $ 76.9 $ — $ (57.8 ) $ 19.1 LIABILITIES NYMEX/ICE natural gas contracts $ 30.7 $ — $ (30.7 ) $ — As of December 31, 2021 ASSETS U.S. stock/bond mutual funds $ 24.8 $ — $ — $ 24.8 NYMEX/ICE natural gas contracts 2.4 — (2.4 ) — Total $ 27.2 $ — $ (2.4 ) $ 24.8 LIABILITIES NYMEX/ICE natural gas contracts $ 8.6 $ — $ (8.6 ) $ — |
Note 8 - Pension Plans and Othe
Note 8 - Pension Plans and Other Postretirement Benefits | 3 Months Ended |
Dec. 31, 2022 | |
Notes to Financial Statements | |
Retirement Benefits [Text Block] | 8. Pension Plans Spire and the Utilities maintain pension plans for their employees. Spire Missouri and Spire Alabama have non-contributory, defined benefit, trusteed forms of pension plans covering the majority of their employees. Qualified plan assets are comprised of mutual and commingled funds consisting of U.S. equities with varying strategies, global equities, alternative investments, and fixed income investments. The net periodic pension cost includes components shown in the following tables. The components other than the service costs and regulatory adjustment are presented in “Other Income, Net” in the income statement, except for Spire Alabama’s losses on lump-sum settlements. Such losses are capitalized in regulatory balances and amortized over the remaining actuarial life of individuals in the plan, and that amortization is presented in “Other Income, Net.” Three Months Ended December 31, 2022 2021 Spire Service cost – benefits earned during the period $ 4.1 $ 5.4 Interest cost on projected benefit obligation 6.4 5.1 Expected return on plan assets (6.4 ) (8.2 ) Amortization of prior service credit (1.1 ) (1.1 ) Amortization of actuarial loss 1.6 3.7 Loss on lump-sum settlements 8.6 — Subtotal 13.2 4.9 Regulatory adjustment 1.8 10.6 Net pension cost $ 15.0 $ 15.5 Spire Missouri Service cost – benefits earned during the period $ 2.8 $ 3.9 Interest cost on projected benefit obligation 4.5 3.5 Expected return on plan assets (4.5 ) (6.0 ) Amortization of prior service credit (0.5 ) (0.5 ) Amortization of actuarial loss 1.5 2.8 Subtotal 3.8 3.7 Regulatory adjustment 8.1 8.5 Net pension cost $ 11.9 $ 12.2 Spire Alabama Service cost – benefits earned during the period $ 1.1 $ 1.4 Interest cost on projected benefit obligation 1.3 1.1 Expected return on plan assets (1.1 ) (1.4 ) Amortization of prior service credit (0.6 ) (0.6 ) Amortization of actuarial loss 0.1 0.9 Loss on lump-sum settlements 8.6 — Subtotal 9.4 1.4 Regulatory adjustment (6.5 ) 1.9 Net pension cost $ 2.9 $ 3.3 Pursuant to the provisions of Spire Missouri’s and Spire Alabama’s pension plans, pension obligations may three December 31, 2022, two one September 30, 2022. one December 31, 2022. December 31, 2021, Effective December 23, 2021, Also effective December 23, 2021, eight eight eight eight The funding policy of the Utilities is to contribute an amount not 2023 December 31, 2022 2023 December 31, 2022 2023 2023 Other Postretirement Benefits Spire and the Utilities provide certain life insurance benefits at retirement. Spire Missouri plans provide for medical insurance after early retirement until age 65. January 1, 2015, The net periodic postretirement benefit cost includes components shown in the following tables. The components other than the service costs and regulatory adjustment are presented in “Other Income, Net” in the income statement, except in the event Spire Alabama incurs losses on lump-sum settlements. Any such losses are capitalized in regulatory balances and amortized over the remaining actuarial life of individuals in the plan, and that amortization is presented in “Other Income, Net.” Three Months Ended December 31, 2022 2021 Spire Service cost – benefits earned during the period $ 1.2 $ 1.9 Interest cost on accumulated postretirement benefit obligation 2.1 1.5 Expected return on plan assets (3.9 ) (4.2 ) Amortization of prior service cost 0.1 0.3 Amortization of actuarial gain (1.0 ) (0.6 ) Subtotal (1.5 ) (1.1 ) Regulatory adjustment 0.1 3.2 Net postretirement benefit (income) cost $ (1.4 ) $ 2.1 Spire Missouri Service cost – benefits earned during the period $ 1.0 $ 1.6 Interest cost on accumulated postretirement benefit obligation 1.6 1.1 Expected return on plan assets (2.6 ) (2.8 ) Amortization of prior service cost 0.2 0.2 Amortization of actuarial gain (0.8 ) (0.5 ) Subtotal (0.6 ) (0.4 ) Regulatory adjustment 0.6 3.6 Net postretirement benefit cost $ — $ 3.2 Spire Alabama Service cost – benefits earned during the period $ 0.2 $ 0.3 Interest cost on accumulated postretirement benefit obligation 0.4 0.4 Expected return on plan assets (1.2 ) (1.3 ) Amortization of prior service (credit) cost (0.1 ) 0.1 Amortization of actuarial gain (0.1 ) — Subtotal (0.8 ) (0.5 ) Regulatory adjustment (0.5 ) (0.5 ) Net postretirement benefit income $ (1.3 ) $ (1.0 ) Missouri and Alabama state laws provide for the recovery in rates of costs accrued pursuant to GAAP provided that such costs are funded through an independent, external funding mechanism. The Utilities have established Voluntary Employees’ Beneficiary Association (VEBA) and Rabbi Trusts as external funding mechanisms. The assets of the VEBA and Rabbi Trusts consist primarily of money market securities and mutual funds invested in stocks and bonds. Effective December 23, 2021, no The Utilities’ funding policy is to contribute amounts to the trusts equal to the periodic benefit cost calculated pursuant to GAAP as recovered in rates. There have been no contributions to the postretirement plans through December 31, 2022 |
Note 9 - Information by Operati
Note 9 - Information by Operating Segment | 3 Months Ended |
Dec. 31, 2022 | |
Notes to Financial Statements | |
Segment Reporting Disclosure [Text Block] | 9. The Company has three reportable segments: Gas Utility, Gas Marketing, and Midstream. The Gas Utility segment is the aggregation of the operations of the Utilities. The Gas Marketing segment includes the results of Spire Marketing, a subsidiary engaged in the non-regulated marketing of natural gas and related activities, including utilizing natural gas storage contracts for providing natural gas sales. The Midstream segment includes Spire STL Pipeline, a subsidiary of Spire providing interstate natural gas pipeline transportation services, and Spire Storage, a subsidiary of Spire providing interstate natural gas storage services. Other components of the Company’s consolidated information include Spire's subsidiaries engaged in the operation of a propane pipeline and risk management, among other activities, and unallocated corporate items, including certain debt and associated interest costs. Accounting policies are described in Note 1 Management evaluates the performance of the operating segments based on the computation of net economic earnings. Net economic earnings exclude from reported net income the after-tax impacts of fair value accounting and timing adjustments associated with energy-related transactions, the impacts of acquisition, divestiture and restructuring activities, and the largely non-cash impacts of impairments and other non-recurring or unusual items such as certain regulatory, legislative, or GAAP standard-setting actions. Gas Utility Gas Marketing Midstream Other Eliminations Consolidated Three Months Ended December 31, 2022 Operating Revenues: Revenues from external customers $ 733.0 $ 74.1 $ 6.8 $ 0.1 $ — $ 814.0 Intersegment revenues — — 8.4 3.9 (12.3 ) — Total Operating Revenues 733.0 74.1 15.2 4.0 (12.3 ) 814.0 Operating Expenses: Natural gas 401.6 26.0 — — (8.4 ) 419.2 Operation and maintenance 119.9 6.3 5.8 4.0 (3.9 ) 132.1 Depreciation and amortization 59.7 0.3 1.9 0.2 — 62.1 Taxes, other than income taxes 49.9 0.1 0.4 — — 50.4 Total Operating Expenses 631.1 32.7 8.1 4.2 (12.3 ) 663.8 Operating Income (Loss) $ 101.9 $ 41.4 $ 7.1 $ (0.2 ) $ — $ 150.2 Net Economic Earnings (Loss) $ 62.9 $ 25.7 $ 3.8 $ (7.3 ) $ — $ 85.1 Gas Utility Gas Marketing Midstream Other Eliminations Consolidated Three Months Ended December 31, 2021 Operating Revenues: Revenues from external customers $ 503.5 $ 47.9 $ 3.8 $ 0.2 $ — $ 555.4 Intersegment revenues — — 9.1 3.5 (12.6 ) — Total Operating Revenues 503.5 47.9 12.9 3.7 (12.6 ) 555.4 Operating Expenses: Natural gas 210.2 48.0 — — (9.0 ) 249.2 Operation and maintenance 107.3 2.7 5.8 4.2 (3.6 ) 116.4 Depreciation and amortization 54.6 0.3 1.9 0.1 — 56.9 Taxes, other than income taxes 37.0 — 0.6 — — 37.6 Total Operating Expenses 409.1 51.0 8.3 4.3 (12.6 ) 460.1 Operating Income (Loss) $ 94.4 $ (3.1 ) $ 4.6 $ (0.6 ) $ — $ 95.3 Net Economic Earnings (Loss) $ 67.2 $ 0.5 $ 2.5 $ (7.6 ) $ — $ 62.6 The following table reconciles the Company’s net economic earnings to net income. Three Months Ended December 31, 2022 2021 Net Income $ 91.0 $ 55.7 Adjustments, pre-tax: Fair value and timing adjustments (7.8 ) 3.7 Income tax adjustments 1.9 3.2 Net Economic Earnings $ 85.1 $ 62.6 The Company’s total assets by segment were as follows: December 31, September 30, December 31, 2022 2022 2021 Total Assets: Gas Utility $ 8,355.1 $ 8,042.8 $ 7,882.1 Gas Marketing 492.4 638.7 424.4 Midstream 466.6 446.0 421.7 Other 2,882.8 2,449.2 1,995.9 Eliminations (1,869.2 ) (1,493.0 ) (1,073.6 ) Total Assets $ 10,327.7 $ 10,083.7 $ 9,650.5 |
Note 10 - Commitments and Conti
Note 10 - Commitments and Contingencies | 3 Months Ended |
Dec. 31, 2022 | |
Notes to Financial Statements | |
Commitments and Contingencies Disclosure [Text Block] | 10. Commitments The Company and the Utilities have entered into contracts with various counterparties, expiring on dates through calendar 2039, December 31, 2022, November April. A consolidated subsidiary of Spire is a limited partner in an unconsolidated partnership focusing on sustainability initiatives largely tied to the natural gas utility sector. Spire committed to contribute a total of $10.0 of capital to the partnership as and when requested by the general partner. As of December 31, 2022, Contingencies The Company and the Utilities account for contingencies, including environmental liabilities, in accordance with accounting standards under the loss contingency guidance of ASC Topic 450, Contingencies In addition to matters noted below, the Company and the Utilities are involved in other litigation, claims, and investigations arising in the normal course of business. Management, after discussion with counsel, believes the final outcome will not The Company and the Utilities own and operate natural gas distribution, transmission, and storage facilities, the operations of which are subject to various environmental laws, regulations, and interpretations. While environmental issues resulting from such operations arise in the ordinary course of business, such issues have not may may may In the natural gas industry, many gas distribution companies have incurred environmental liabilities associated with sites they or their predecessor companies formerly owned or operated where manufactured gas operations took place. The Utilities each have former manufactured gas plant (MGP) operations in their respective service territories, some of which are discussed under the Spire Missouri and Spire Alabama headings below. To the extent costs are incurred associated with environmental remediation activities, the Utilities would request authority from their respective regulators to defer such costs (less any amounts received from insurance proceeds or as contributions from other potentially responsible parties (PRPs)) and collect them through future rates. To date, costs incurred for all Spire MGP sites for investigation, remediation and monitoring have not may may In 2020, March 2021, not may Spire Missouri Spire Missouri has identified three two third In conjunction with redevelopment of the Carondelet Coke site, Spire Missouri and another former owner of the site entered into an agreement (the “Remediation Agreement”) with the City development agencies, the developer, and an environmental consultant that obligates one No December 20, 2010, seven six In a letter dated June 29, 2011, second January 10, 2012, no Additionally, in correspondence dated November 30, 2016, 7 107 1980 third not March 2017 Spire Missouri has notified its insurers that it seeks reimbursement for costs incurred in the past and future potential liabilities associated with these MGP sites. While some of the insurers have denied coverage and reserved their rights, Spire Missouri retains the right to seek potential reimbursements from them. On March 10, 2015, 104 7 April 3, 2015, July 15, 2015, August 15, 2015. no In its western service area, Spire Missouri has six #1, #1, #2. 2003 September 15, 2016, six May 11, 2015, Spire Alabama Spire Alabama is in the chain of title of nine four five one In 2011, In 2012, 104 35th not 35th Assessments were performed by the EPA of the former MGP sites in Gadsden and Anniston, and NFA letters were received after each assessment. Spire In addition to those discussed above for Spire Missouri and Spire Alabama, Spire is aware of the following contingent matters. Spire Marketing, along with many natural gas industry participants, faced the unprecedented effects of Winter Storm Uri in February 2021. may |
Significant Accounting Policies
Significant Accounting Policies (Policies) | 3 Months Ended |
Dec. 31, 2022 | |
Accounting Policies [Abstract] | |
Basis of Accounting, Policy [Policy Text Block] | BASIS OF PRESENTATION The accompanying unaudited financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information with the instructions to Form 10 10 01 not 10 10 September 30, 2022. The consolidated financial position, results of operations, and cash flows of Spire include the accounts of the Company and all its subsidiaries. Transactions and balances between consolidated entities have been eliminated from the consolidated financial statements of Spire. In compliance with GAAP, transactions between Spire Missouri and Spire Alabama and their affiliates, as well as intercompany balances on their balance sheets, have not Certain information is presented by reportable segment, as described below. Effective during the first 2023, NATURE OF OPERATIONS three Note 9 Nearly all the Company’s earnings are derived from its Gas Utility segment. Due to the seasonal nature of the Utilities’ business and the volumetric Spire Missouri rate design, earnings are typically concentrated during the heating season of November April not |
Public Utilities, Policy [Policy Text Block] | REGULATED OPERATIONS 980, Regulated Operations third may As authorized by the Missouri Public Service Commission (MoPSC), the Mississippi Public Service Commission (MSPSC) and the Alabama Public Service Commission (APSC), the Purchased Gas Adjustment (PGA) clauses and Gas Supply Adjustment (GSA) riders allow the Utilities to pass through to customers the cost of purchased gas supplies. Regulatory assets and liabilities related to the PGA clauses and the GSA riders are both labeled Unamortized Purchased Gas Adjustments herein. See additional information about regulatory assets and liabilities in Note 4 |
Derivatives, Policy [Policy Text Block] | DERIVATIVES 815, Derivatives and Hedging not |
Transactions With Affiliates [Policy Text Block] | TRANSACTIONS WITH AFFILIATES Three Months Ended December 31, 2022 2021 Spire Missouri Purchases of natural gas from Spire Marketing Inc. $ 28.5 $ 18.2 Transportation services received from Spire STL Pipeline LLC 8.1 8.1 Spire Alabama Purchases of natural gas from Spire Marketing Inc. $ 1.1 $ — |
Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] | RESTRICTED CASH December 31, 2022, December 31, 2022 September 30, 2022, |
Accrued Capital Expenditures [Policy Text Block] | ACCRUED CAPITAL EXPENDITURES December 31, September 30, December 31, 2022 2022 2021 Spire $ 63.1 $ 77.8 $ 33.5 Spire Missouri 32.8 45.6 27.2 Spire Alabama 9.4 19.2 1.2 |
Receivable [Policy Text Block] | ACCOUNTS RECEIVABLE AND ALLOWANCE FOR CREDIT LOSSES not Spire Spire Missouri Spire Alabama Three Months Ended December 31, 2022 2021 2022 2021 2022 2021 Allowance at beginning of period $ 31.9 $ 30.3 $ 24.9 $ 22.6 $ 6.3 $ 6.6 Provision for expected credit losses 4.1 1.5 3.8 2.1 0.2 (0.5 ) Write-offs, net of recoveries (1.5 ) (0.4 ) (0.5 ) (0.9 ) (1.0 ) 0.6 Allowance at end of period $ 34.5 $ 31.4 $ 28.2 $ 23.8 $ 5.5 $ 6.7 |
Note 1 - Summary of Significa_2
Note 1 - Summary of Significant Accounting Policies (Tables) | 3 Months Ended |
Dec. 31, 2022 | |
Notes Tables | |
Schedule of Related Party Transactions [Table Text Block] | Three Months Ended December 31, 2022 2021 Spire Missouri Purchases of natural gas from Spire Marketing Inc. $ 28.5 $ 18.2 Transportation services received from Spire STL Pipeline LLC 8.1 8.1 Spire Alabama Purchases of natural gas from Spire Marketing Inc. $ 1.1 $ — |
Schedule Of Capital Expenditure Excluded From Statement Of Cash Flow [Table Text Block] | December 31, September 30, December 31, 2022 2022 2021 Spire $ 63.1 $ 77.8 $ 33.5 Spire Missouri 32.8 45.6 27.2 Spire Alabama 9.4 19.2 1.2 |
Accounts Receivable, Allowance for Credit Loss [Table Text Block] | Spire Spire Missouri Spire Alabama Three Months Ended December 31, 2022 2021 2022 2021 2022 2021 Allowance at beginning of period $ 31.9 $ 30.3 $ 24.9 $ 22.6 $ 6.3 $ 6.6 Provision for expected credit losses 4.1 1.5 3.8 2.1 0.2 (0.5 ) Write-offs, net of recoveries (1.5 ) (0.4 ) (0.5 ) (0.9 ) (1.0 ) 0.6 Allowance at end of period $ 34.5 $ 31.4 $ 28.2 $ 23.8 $ 5.5 $ 6.7 |
Note 2 - Revenue (Tables)
Note 2 - Revenue (Tables) | 3 Months Ended |
Dec. 31, 2022 | |
Notes Tables | |
Disaggregation of Revenue [Table Text Block] | Three Months Ended December 31, 2022 2021 Spire Gas Utility: Residential $ 518.0 $ 342.0 Commercial and industrial 170.6 103.8 Transportation 30.9 31.2 Off-system and other incentive 7.6 4.8 Other customer revenue 4.4 3.6 Total revenue from contracts with customers 731.5 485.4 Changes in accrued revenue under alternative revenue programs 1.5 18.1 Total Gas Utility operating revenues 733.0 503.5 Gas Marketing 74.1 47.9 Midstream 15.2 12.9 Other 4.0 3.7 Total before eliminations 826.3 568.0 Intersegment eliminations (see Note 9, Information by Operating Segment) (12.3 ) (12.6 ) Total Operating Revenues $ 814.0 $ 555.4 Spire Missouri Residential $ 400.6 $ 247.1 Commercial and industrial 122.9 68.2 Transportation 9.1 9.2 Off-system and other incentive 5.1 4.5 Other customer revenue 2.0 2.3 Total revenue from contracts with customers 539.7 331.3 Changes in accrued revenue under alternative revenue programs 1.5 16.6 Total Operating Revenues $ 541.2 $ 347.9 Spire Alabama Residential $ 96.3 $ 80.1 Commercial and industrial 33.6 26.0 Transportation 19.3 19.4 Off-system and other incentive 2.4 0.4 Other customer revenue 1.2 0.8 Total revenue from contracts with customers 152.8 126.7 Changes in accrued revenue under alternative revenue programs (0.4 ) (0.1 ) Total Operating Revenues $ 152.4 $ 126.6 |
Schedule Of Taxes On Revenues [Table Text Block] | Three Months Ended December 31, 2022 2021 Spire $ 30.4 $ 21.9 Spire Missouri 22.1 14.9 Spire Alabama 6.8 5.7 |
Note 3 - Earnings Per Common _2
Note 3 - Earnings Per Common Share (Tables) | 3 Months Ended |
Dec. 31, 2022 | |
Notes Tables | |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | Three Months Ended December 31, 2022 2021 Basic Earnings Per Common Share: Net Income $ 91.0 $ 55.7 Less: Provision for preferred dividends 3.7 3.7 Income allocated to participating securities 0.1 0.1 Income Available to Common Shareholders $ 87.2 $ 51.9 Weighted Average Common Shares Outstanding (in millions) 52.4 51.6 Basic Earnings Per Common Share $ 1.66 $ 1.01 Diluted Earnings Per Common Share: Net Income $ 91.0 $ 55.7 Less: Provision for preferred dividends 3.7 3.7 Income allocated to participating securities 0.1 0.1 Income Available to Common Shareholders $ 87.2 $ 51.9 Weighted Average Common Shares Outstanding (in millions) 52.4 51.6 Dilutive Effect of Restricted Stock and Restricted Stock Units (in millions)* 0.2 0.1 Weighted Average Diluted Common Shares (in millions) 52.6 51.7 Diluted Earnings Per Common Share $ 1.66 $ 1.01 * Calculation excludes certain outstanding common shares (shown in millions by period at the right) attributable to stock units subject to performance or market conditions and restricted stock, which could have a dilutive effect in the future 0.2 0.2 |
Note 4 - Regulatory Matters (Ta
Note 4 - Regulatory Matters (Tables) | 3 Months Ended |
Dec. 31, 2022 | |
Notes Tables | |
Schedule of Regulatory Assets and Liabilities [Table Text Block] | December 31, September 30, December 31, Spire 2022 2022 2021 Regulatory Assets: Current: Unamortized purchased gas adjustments $ 238.9 $ 322.2 $ 242.4 Other 30.2 33.2 23.3 Total Current Regulatory Assets 269.1 355.4 265.7 Noncurrent: Pension and postretirement benefit costs 277.3 294.5 335.9 Cost of removal 506.1 493.7 444.5 Future income taxes due from customers 138.6 137.8 135.5 Energy efficiency 59.1 57.2 52.0 Unamortized purchased gas adjustments 107.9 — 27.3 Other 131.7 129.2 94.7 Total Noncurrent Regulatory Assets 1,220.7 1,112.4 1,089.9 Total Regulatory Assets $ 1,489.8 $ 1,467.8 $ 1,355.6 Regulatory Liabilities: Current: Other $ 3.7 $ 3.7 $ 4.1 Total Current Regulatory Liabilities 3.7 3.7 4.1 Noncurrent: Deferred taxes due to customers 140.9 145.3 155.5 Pension and postretirement benefit costs 156.6 172.6 172.2 Accrued cost of removal 33.7 32.9 35.3 Unamortized purchased gas adjustments — 53.0 155.0 Other 13.7 14.4 13.8 Total Noncurrent Regulatory Liabilities 344.9 418.2 531.8 Total Regulatory Liabilities $ 348.6 $ 421.9 $ 535.9 December 31, September 30, December 31, Spire Missouri 2022 2022 2021 Regulatory Assets: Current: Unamortized purchased gas adjustments $ 181.2 $ 275.1 $ 235.2 Other 10.0 13.0 1.7 Total Current Regulatory Assets 191.2 288.1 236.9 Noncurrent: Future income taxes due from customers 130.1 129.2 126.9 Pension and postretirement benefit costs 197.4 222.9 241.6 Energy efficiency 59.1 57.2 52.0 Unamortized purchased gas adjustments 107.9 — 27.3 Cost of removal 23.9 25.2 34.9 Other 116.3 113.1 77.8 Total Noncurrent Regulatory Assets 634.7 547.6 560.5 Total Regulatory Assets $ 825.9 $ 835.7 $ 797.4 Regulatory Liabilities: Current: Other $ — $ — $ 0.2 Total Current Regulatory Liabilities — — 0.2 Noncurrent: Deferred taxes due to customers 124.6 127.9 138.2 Pension and postretirement benefit costs 127.4 143.6 142.6 Accrued cost of removal — — 3.3 Unamortized purchased gas adjustments — 53.0 155.0 Other 7.0 7.3 8.1 Total Noncurrent Regulatory Liabilities 259.0 331.8 447.2 Total Regulatory Liabilities $ 259.0 $ 331.8 $ 447.4 December 31, September 30, December 31, Spire Alabama 2022 2022 2021 Regulatory Assets: Current: Unamortized purchased gas adjustments $ 54.5 $ 43.8 $ 4.1 Other 12.8 13.1 10.5 Total Current Regulatory Assets 67.3 56.9 14.6 Noncurrent: Future income taxes due from customers 2.1 2.2 2.2 Pension and postretirement benefit costs 75.1 66.5 88.7 Cost of removal 482.2 468.5 409.6 Other 1.0 1.0 1.2 Total Noncurrent Regulatory Assets 560.4 538.2 501.7 Total Regulatory Assets $ 627.7 $ 595.1 $ 516.3 Regulatory Liabilities: Current: Other $ — $ — $ 0.8 Total Current Regulatory Liabilities — — 0.8 Noncurrent: Pension and postretirement benefit costs 18.7 19.4 21.6 Other 3.5 3.6 3.7 Total Noncurrent Regulatory Liabilities 22.2 23.0 25.3 Total Regulatory Liabilities $ 22.2 $ 23.0 $ 26.1 |
Schedule of Regulatory Assets Not Earning Return [Table Text Block] | December 31, September 30, December 31, 2022 2022 2021 Spire Pension and postretirement benefit costs $ 127.0 $ 152.9 $ 163.4 Future income taxes due from customers 136.4 135.6 133.3 Unamortized purchased gas adjustments 289.1 275.1 262.5 Other 122.9 122.7 107.4 Total Regulatory Assets Not Earning a Return $ 675.4 $ 686.3 $ 666.6 Spire Missouri Pension and postretirement benefit costs $ 127.0 $ 152.9 $ 163.4 Future income taxes due from customers 130.1 129.2 126.9 Unamortized purchased gas adjustments 289.1 275.1 262.5 Other 122.9 122.7 107.4 Total Regulatory Assets Not Earning a Return $ 669.1 $ 679.9 $ 660.2 |
Note 5 - Financing (Tables)
Note 5 - Financing (Tables) | 3 Months Ended |
Dec. 31, 2022 | |
Notes Tables | |
Schedule of Short-Term Debt [Table Text Block] | Spire (Parent Only) Spire Missouri Spire Alabama Spire CP Term Spire Spire Consol- Program Loan Note Note idated Three Months Ended December 31, 2022 Highest borrowings outstanding $ 1,230.0 $ — $ 651.2 $ 274.0 $ 1,230.0 Lowest borrowings outstanding 829.5 — 439.6 76.7 829.5 Weighted average borrowings 1,071.3 — 529.6 138.3 1,071.3 Weighted average interest rate 4.4 % n/a 4.3 % 4.2 % 4.4 % As of December 31, 2022 Borrowings outstanding $ 1,227.0 $ — $ 651.2 $ 145.8 $ 1,227.0 Weighted average interest rate 4.9 % n/a 4.9 % 4.9 % 4.9 % As of September 30, 2022 Borrowings outstanding $ 1,037.5 $ — $ 445.3 $ 260.9 $ 1,037.5 Weighted average interest rate 3.3 % 0.0 % 3.3 % 3.3 % 3.3 % As of December 31, 2021 Borrowings outstanding $ 596.0 $ 250.0 $ 180.4 $ 173.7 $ 846.0 Weighted average interest rate 0.4 % 0.7 % 0.4 % 0.4 % 0.5 % |
Summary Of Capitalized Interest [Table Text Block] | Three Months Ended December 31, 2022 2021 Spire $ 1.6 $ 1.1 Spire Missouri 0.5 — Spire Alabama 0.7 0.8 |
Note 6 - Fair Value of Financ_2
Note 6 - Fair Value of Financial Instruments (Tables) | 3 Months Ended |
Dec. 31, 2022 | |
Notes Tables | |
Fair Value, by Balance Sheet Grouping [Table Text Block] | Classification of Estimated Fair Value Carrying Amount Fair Value Quoted Prices in Active Markets (Level 1) Significant Observable Inputs (Level 2) Spire As of December 31, 2022 Cash and cash equivalents $ 4.8 $ 4.8 $ 4.8 $ — Notes payable 1,227.0 1,227.0 — 1,227.0 Long-term debt, including current portion 3,412.9 3,083.7 — 3,083.7 As of September 30, 2022 Cash and cash equivalents $ 6.5 $ 6.5 $ 6.5 $ — Notes payable 1,037.5 1,037.5 — 1,037.5 Long-term debt, including current portion 3,239.7 2,851.8 — 2,851.8 As of December 31, 2021 Cash and cash equivalents $ 8.2 $ 8.2 $ 8.2 $ — Notes payable 846.0 846.0 — 846.0 Long-term debt, including current portion 3,238.0 3,594.4 — 3,594.4 Spire Missouri As of December 31, 2022 Notes payable – associated companies $ 651.2 $ 651.2 $ — $ 651.2 Long-term debt, including current portion 1,638.1 1,497.7 — 1,497.7 As of September 30, 2022 Notes payable – associated companies $ 445.3 $ 445.3 $ — $ 445.3 Long-term debt, including current portion 1,637.7 1,473.9 — 1,473.9 As of December 31, 2021 Notes payable $ 250.0 $ 250.0 $ — $ 250.0 Notes payable – associated companies 180.4 180.4 — 180.4 Long-term debt 1,637.0 1,830.5 — 1,830.5 Spire Alabama As of December 31, 2022 Notes payable – associated companies $ 145.8 $ 145.8 $ — $ 145.8 Long-term debt 745.6 674.5 — 674.5 As of September 30, 2022 Cash and cash equivalents $ 2.4 $ 2.4 $ 2.4 $ — Notes payable – associated companies 260.9 260.9 — 260.9 Long-term debt 571.5 485.0 — 485.0 As of December 31, 2021 Notes payable – associated companies $ 173.7 $ 173.7 $ — $ 173.7 Long-term debt, including current portion 571.3 653.6 — 653.6 |
Note 7 - Fair Value Measureme_2
Note 7 - Fair Value Measurement (Tables) | 3 Months Ended |
Dec. 31, 2022 | |
Notes Tables | |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] | Quoted Prices in Active Markets (Level 1) Significant Observable Inputs (Level 2) Effects of Netting and Cash Margin Receivables /Payables Total As of December 31, 2022 ASSETS Gas Utility: U.S. stock/bond mutual funds $ 19.5 $ — $ — $ 19.5 NYMEX/ICE natural gas contracts 0.4 — (0.4 ) — Gasoline and heating oil contracts 0.2 — (0.2 ) — Gas Marketing: NYMEX/ICE natural gas contracts 52.0 — (52.0 ) — Natural gas commodity contracts 92.9 — (13.2 ) 79.7 Other: U.S. stock/bond mutual funds 28.3 — — 28.3 Interest rate swaps 61.4 — — 61.4 Total $ 254.7 $ — $ (65.8 ) $ 188.9 LIABILITIES Gas Utility: NYMEX/ICE natural gas contracts $ 35.7 $ — $ (35.7 ) $ — Gasoline and heating oil contracts 0.2 — (0.2 ) — Gas Marketing: NYMEX/ICE natural gas contracts 58.4 — (58.4 ) — Natural gas commodity contracts 71.1 — (13.2 ) 57.9 Other: Interest rate swaps 0.8 — — 0.8 Total $ 166.2 $ — $ (107.5 ) $ 58.7 Quoted Prices in Active Markets (Level 1) Significant Observable Inputs (Level 2) Effects of Netting and Cash Margin Receivables /Payables Total As of September 30, 2022 ASSETS Gas Utility: U.S. stock/bond mutual funds $ 19.1 $ — $ — $ 19.1 NYMEX/ICE natural gas contracts 57.8 — (57.8 ) — Gas Marketing: NYMEX/ICE natural gas contracts 91.8 — (91.8 ) — Natural gas commodity contracts 56.6 — (4.0 ) 52.6 Other: U.S. stock/bond mutual funds 29.3 — — 29.3 Interest rate swaps 63.6 — — 63.6 Total $ 318.2 $ — $ (153.6 ) $ 164.6 LIABILITIES Gas Utility: NYMEX/ICE natural gas contracts $ 30.7 $ — $ (30.7 ) $ — Gas Marketing: NYMEX/ICE natural gas contracts 82.3 — (82.3 ) — Natural gas commodity contracts 65.5 — (4.0 ) 61.5 Total $ 178.5 $ — $ (117.0 ) $ 61.5 As of December 31, 2021 ASSETS Gas Utility: U.S. stock/bond mutual funds $ 24.8 $ — $ — $ 24.8 NYMEX/ICE natural gas contracts 2.4 — (2.4 ) — Gas Marketing: NYMEX/ICE natural gas contracts — 67.0 (67.0 ) — Natural gas commodity contracts — 40.4 (2.3 ) 38.1 Other: U.S. stock/bond mutual funds 24.6 — — 24.6 Interest rate swaps 9.4 — (5.6 ) 3.8 Total $ 61.2 $ 107.4 $ (77.3 ) $ 91.3 LIABILITIES Gas Utility: NYMEX/ICE natural gas contracts $ 8.6 $ — $ (8.6 ) $ — Gas Marketing: NYMEX/ICE natural gas contracts — 40.2 (40.2 ) — Natural gas commodity contracts — 77.9 (2.3 ) 75.6 Other: Interest rate swaps 7.3 — (5.6 ) 1.7 Total $ 15.9 $ 118.1 $ (56.7 ) $ 77.3 Quoted Prices in Active Markets (Level 1) Significant Observable Inputs (Level 2) Effects of Netting and Cash Margin Receivables /Payables Total As of December 31, 2022 ASSETS U.S. stock/bond mutual funds $ 19.5 $ — $ — $ 19.5 NYMEX/ICE natural gas contracts 0.4 — (0.4 ) — Gasoline and heating oil contracts 0.2 — (0.2 ) — Total $ 20.1 $ — $ (0.6 ) $ 19.5 LIABILITIES NYMEX/ICE natural gas contracts $ 35.7 $ — $ (35.7 ) $ — Gasoline and heating oil contracts 0.2 — (0.2 ) — Total $ 35.9 $ — $ (35.9 ) $ — As of September 30, 2022 ASSETS U.S. stock/bond mutual funds $ 19.1 $ — $ — $ 19.1 NYMEX/ICE natural gas contracts 57.8 — (57.8 ) — Total $ 76.9 $ — $ (57.8 ) $ 19.1 LIABILITIES NYMEX/ICE natural gas contracts $ 30.7 $ — $ (30.7 ) $ — As of December 31, 2021 ASSETS U.S. stock/bond mutual funds $ 24.8 $ — $ — $ 24.8 NYMEX/ICE natural gas contracts 2.4 — (2.4 ) — Total $ 27.2 $ — $ (2.4 ) $ 24.8 LIABILITIES NYMEX/ICE natural gas contracts $ 8.6 $ — $ (8.6 ) $ — |
Note 8 - Pension Plans and Ot_2
Note 8 - Pension Plans and Other Postretirement Benefits (Tables) | 3 Months Ended |
Dec. 31, 2022 | |
Notes Tables | |
Schedule of Net Benefit Costs [Table Text Block] | Three Months Ended December 31, 2022 2021 Spire Service cost – benefits earned during the period $ 4.1 $ 5.4 Interest cost on projected benefit obligation 6.4 5.1 Expected return on plan assets (6.4 ) (8.2 ) Amortization of prior service credit (1.1 ) (1.1 ) Amortization of actuarial loss 1.6 3.7 Loss on lump-sum settlements 8.6 — Subtotal 13.2 4.9 Regulatory adjustment 1.8 10.6 Net pension cost $ 15.0 $ 15.5 Spire Missouri Service cost – benefits earned during the period $ 2.8 $ 3.9 Interest cost on projected benefit obligation 4.5 3.5 Expected return on plan assets (4.5 ) (6.0 ) Amortization of prior service credit (0.5 ) (0.5 ) Amortization of actuarial loss 1.5 2.8 Subtotal 3.8 3.7 Regulatory adjustment 8.1 8.5 Net pension cost $ 11.9 $ 12.2 Spire Alabama Service cost – benefits earned during the period $ 1.1 $ 1.4 Interest cost on projected benefit obligation 1.3 1.1 Expected return on plan assets (1.1 ) (1.4 ) Amortization of prior service credit (0.6 ) (0.6 ) Amortization of actuarial loss 0.1 0.9 Loss on lump-sum settlements 8.6 — Subtotal 9.4 1.4 Regulatory adjustment (6.5 ) 1.9 Net pension cost $ 2.9 $ 3.3 Three Months Ended December 31, 2022 2021 Spire Service cost – benefits earned during the period $ 1.2 $ 1.9 Interest cost on accumulated postretirement benefit obligation 2.1 1.5 Expected return on plan assets (3.9 ) (4.2 ) Amortization of prior service cost 0.1 0.3 Amortization of actuarial gain (1.0 ) (0.6 ) Subtotal (1.5 ) (1.1 ) Regulatory adjustment 0.1 3.2 Net postretirement benefit (income) cost $ (1.4 ) $ 2.1 Spire Missouri Service cost – benefits earned during the period $ 1.0 $ 1.6 Interest cost on accumulated postretirement benefit obligation 1.6 1.1 Expected return on plan assets (2.6 ) (2.8 ) Amortization of prior service cost 0.2 0.2 Amortization of actuarial gain (0.8 ) (0.5 ) Subtotal (0.6 ) (0.4 ) Regulatory adjustment 0.6 3.6 Net postretirement benefit cost $ — $ 3.2 Spire Alabama Service cost – benefits earned during the period $ 0.2 $ 0.3 Interest cost on accumulated postretirement benefit obligation 0.4 0.4 Expected return on plan assets (1.2 ) (1.3 ) Amortization of prior service (credit) cost (0.1 ) 0.1 Amortization of actuarial gain (0.1 ) — Subtotal (0.8 ) (0.5 ) Regulatory adjustment (0.5 ) (0.5 ) Net postretirement benefit income $ (1.3 ) $ (1.0 ) |
Note 9 - Information by Opera_2
Note 9 - Information by Operating Segment (Tables) | 3 Months Ended |
Dec. 31, 2022 | |
Notes Tables | |
Schedule of Segment Reporting Information, by Segment [Table Text Block] | Gas Utility Gas Marketing Midstream Other Eliminations Consolidated Three Months Ended December 31, 2022 Operating Revenues: Revenues from external customers $ 733.0 $ 74.1 $ 6.8 $ 0.1 $ — $ 814.0 Intersegment revenues — — 8.4 3.9 (12.3 ) — Total Operating Revenues 733.0 74.1 15.2 4.0 (12.3 ) 814.0 Operating Expenses: Natural gas 401.6 26.0 — — (8.4 ) 419.2 Operation and maintenance 119.9 6.3 5.8 4.0 (3.9 ) 132.1 Depreciation and amortization 59.7 0.3 1.9 0.2 — 62.1 Taxes, other than income taxes 49.9 0.1 0.4 — — 50.4 Total Operating Expenses 631.1 32.7 8.1 4.2 (12.3 ) 663.8 Operating Income (Loss) $ 101.9 $ 41.4 $ 7.1 $ (0.2 ) $ — $ 150.2 Net Economic Earnings (Loss) $ 62.9 $ 25.7 $ 3.8 $ (7.3 ) $ — $ 85.1 Gas Utility Gas Marketing Midstream Other Eliminations Consolidated Three Months Ended December 31, 2021 Operating Revenues: Revenues from external customers $ 503.5 $ 47.9 $ 3.8 $ 0.2 $ — $ 555.4 Intersegment revenues — — 9.1 3.5 (12.6 ) — Total Operating Revenues 503.5 47.9 12.9 3.7 (12.6 ) 555.4 Operating Expenses: Natural gas 210.2 48.0 — — (9.0 ) 249.2 Operation and maintenance 107.3 2.7 5.8 4.2 (3.6 ) 116.4 Depreciation and amortization 54.6 0.3 1.9 0.1 — 56.9 Taxes, other than income taxes 37.0 — 0.6 — — 37.6 Total Operating Expenses 409.1 51.0 8.3 4.3 (12.6 ) 460.1 Operating Income (Loss) $ 94.4 $ (3.1 ) $ 4.6 $ (0.6 ) $ — $ 95.3 Net Economic Earnings (Loss) $ 67.2 $ 0.5 $ 2.5 $ (7.6 ) $ — $ 62.6 |
Reconciliation Of Consolidated Net Economic Earnings To Consolidated Net Income [Table Text Block] | Three Months Ended December 31, 2022 2021 Net Income $ 91.0 $ 55.7 Adjustments, pre-tax: Fair value and timing adjustments (7.8 ) 3.7 Income tax adjustments 1.9 3.2 Net Economic Earnings $ 85.1 $ 62.6 |
Reconciliation of Assets from Segment to Consolidated [Table Text Block] | December 31, September 30, December 31, 2022 2022 2021 Total Assets: Gas Utility $ 8,355.1 $ 8,042.8 $ 7,882.1 Gas Marketing 492.4 638.7 424.4 Midstream 466.6 446.0 421.7 Other 2,882.8 2,449.2 1,995.9 Eliminations (1,869.2 ) (1,493.0 ) (1,073.6 ) Total Assets $ 10,327.7 $ 10,083.7 $ 9,650.5 |
Note 1 - Summary of Significa_3
Note 1 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Millions | Dec. 31, 2022 | Sep. 30, 2022 |
Restricted Cash, Total | $ 14.2 | $ 14 |
Note 1 - Summary of Significa_4
Note 1 - Summary of Significant Accounting Policies - Transactions With Affiliates (Details) - USD ($) $ in Millions | 3 Months Ended | |
Dec. 31, 2022 | Dec. 31, 2021 | |
Spire Missouri [Member] | Spire Marketing Incorporation [Member] | ||
Purchases of natural gas from Spire Marketing Inc. | $ 28.5 | $ 18.2 |
Spire Missouri [Member] | Spire S T L Pipeline L L C [Member] | ||
Transportation services received | 8.1 | 8.1 |
Spire Alabama Inc [Member] | Spire Marketing Incorporation [Member] | ||
Purchases of natural gas from Spire Marketing Inc. | $ 1.1 | $ 0 |
Note 1 - Summary of Significa_5
Note 1 - Summary of Significant Accounting Policies - Accrued Capital Expenditures Excluded From Capital Expenditures in the Statements of Cash Flows (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended | |
Dec. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2022 | |
Accrued capital expenditures | $ 63.1 | $ 33.5 | $ 77.8 |
Spire Missouri [Member] | |||
Accrued capital expenditures | 32.8 | 27.2 | 45.6 |
Spire Alabama Inc [Member] | |||
Accrued capital expenditures | $ 9.4 | $ 1.2 | $ 19.2 |
Note 1 - Summary of Significa_6
Note 1 - Summary of Significant Accounting Policies - Activity in the Allowance for Credit Losses (Details) - USD ($) $ in Millions | 3 Months Ended | |
Dec. 31, 2022 | Dec. 31, 2021 | |
Allowance at beginning of period | $ 31.9 | $ 30.3 |
Provision for expected credit losses | 4.1 | 1.5 |
Write-offs, net of recoveries | (1.5) | (0.4) |
Allowance at end of period | 34.5 | 31.4 |
Spire Missouri [Member] | ||
Allowance at beginning of period | 24.9 | 22.6 |
Provision for expected credit losses | 3.8 | 2.1 |
Write-offs, net of recoveries | (0.5) | (0.9) |
Allowance at end of period | 28.2 | 23.8 |
Spire Alabama Inc [Member] | ||
Allowance at beginning of period | 6.3 | 6.6 |
Provision for expected credit losses | 0.2 | (0.5) |
Write-offs, net of recoveries | (1) | 0.6 |
Allowance at end of period | $ 5.5 | $ 6.7 |
Note 2 - Revenue - Disaggregate
Note 2 - Revenue - Disaggregated of Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | |||
Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | |
Operating Revenues | $ 814 | $ 814 | $ 555.4 | $ 555.4 |
Consolidation, Eliminations [Member] | ||||
Operating Revenues | (12.3) | (12.6) | ||
Gas Utility [Member] | Operating Segments [Member] | ||||
Operating Revenues | 733 | 503.5 | ||
Gas Marketing [Member] | Operating Segments [Member] | ||||
Operating Revenues | 74.1 | 47.9 | ||
Midstream [Member] | Operating Segments [Member] | ||||
Operating Revenues | 15.2 | 12.9 | ||
Other Segments [Member] | ||||
Operating Revenues | 4 | 3.7 | ||
Spire Missouri [Member] | ||||
Operating Revenues | 541.2 | 347.9 | ||
Spire Missouri [Member] | Gas Utility [Member] | Operating Segments [Member] | ||||
Revenue | 539.7 | 331.3 | ||
Changes in accrued revenue under alternative revenue programs | 1.5 | 16.6 | ||
Spire Missouri [Member] | Gas Utility [Member] | Operating Segments [Member] | Residential [Member] | ||||
Revenue | 400.6 | 247.1 | ||
Spire Missouri [Member] | Gas Utility [Member] | Operating Segments [Member] | Commercial and Industrial [Member] | ||||
Revenue | 122.9 | 68.2 | ||
Spire Missouri [Member] | Gas Utility [Member] | Operating Segments [Member] | Transportation [Member] | ||||
Revenue | 9.1 | 9.2 | ||
Spire Missouri [Member] | Gas Utility [Member] | Operating Segments [Member] | Off-system and Other Incentive [Member] | ||||
Revenue | 5.1 | 4.5 | ||
Spire Missouri [Member] | Gas Utility [Member] | Operating Segments [Member] | Other Customer Revenue [Member] | ||||
Revenue | 2 | 2.3 | ||
Spire Alabama Inc [Member] | ||||
Operating Revenues | 152.4 | 126.6 | ||
Spire Alabama Inc [Member] | Gas Utility [Member] | Operating Segments [Member] | ||||
Revenue | 152.8 | 126.7 | ||
Changes in accrued revenue under alternative revenue programs | (0.4) | (0.1) | ||
Spire Alabama Inc [Member] | Gas Utility [Member] | Operating Segments [Member] | Residential [Member] | ||||
Revenue | 96.3 | 80.1 | ||
Spire Alabama Inc [Member] | Gas Utility [Member] | Operating Segments [Member] | Commercial and Industrial [Member] | ||||
Revenue | 33.6 | 26 | ||
Spire Alabama Inc [Member] | Gas Utility [Member] | Operating Segments [Member] | Transportation [Member] | ||||
Revenue | 19.3 | 19.4 | ||
Spire Alabama Inc [Member] | Gas Utility [Member] | Operating Segments [Member] | Off-system and Other Incentive [Member] | ||||
Revenue | 2.4 | 0.4 | ||
Spire Alabama Inc [Member] | Gas Utility [Member] | Operating Segments [Member] | Other Customer Revenue [Member] | ||||
Revenue | 1.2 | 0.8 | ||
Spire [Member] | ||||
Operating Revenues | 814 | 555.4 | ||
Spire [Member] | Operating Segments [Member] | ||||
Operating Revenues | 826.3 | 568 | ||
Spire [Member] | Consolidation, Eliminations [Member] | ||||
Operating Revenues | (12.3) | |||
Spire [Member] | Segment Reconciling Items [Member] | ||||
Operating Revenues | (12.6) | |||
Spire [Member] | Gas Utility [Member] | Operating Segments [Member] | ||||
Revenue | 731.5 | 485.4 | ||
Changes in accrued revenue under alternative revenue programs | 1.5 | 18.1 | ||
Total Gas Utility operating revenues | 733 | 503.5 | ||
Spire [Member] | Gas Utility [Member] | Operating Segments [Member] | Residential [Member] | ||||
Revenue | 518 | 342 | ||
Spire [Member] | Gas Utility [Member] | Operating Segments [Member] | Commercial and Industrial [Member] | ||||
Revenue | 170.6 | 103.8 | ||
Spire [Member] | Gas Utility [Member] | Operating Segments [Member] | Transportation [Member] | ||||
Revenue | 30.9 | 31.2 | ||
Spire [Member] | Gas Utility [Member] | Operating Segments [Member] | Off-system and Other Incentive [Member] | ||||
Revenue | 7.6 | 4.8 | ||
Spire [Member] | Gas Utility [Member] | Operating Segments [Member] | Other Customer Revenue [Member] | ||||
Revenue | 4.4 | 3.6 | ||
Spire [Member] | Gas Marketing [Member] | Operating Segments [Member] | ||||
Unregulated Operating Revenue | 74.1 | 47.9 | ||
Spire [Member] | Midstream [Member] | Operating Segments [Member] | ||||
Unregulated Operating Revenue | 15.2 | 12.9 | ||
Spire [Member] | Other Segments [Member] | Operating Segments [Member] | ||||
Unregulated Operating Revenue | $ 4 | $ 3.7 |
Note 2 - Revenue - Taxes Associ
Note 2 - Revenue - Taxes Associated With Natural Gas Utility Services (Details) - USD ($) $ in Millions | 3 Months Ended | |
Dec. 31, 2022 | Dec. 31, 2021 | |
Gross Receipts Tax Amounts | $ 30.4 | $ 21.9 |
Spire Missouri [Member] | ||
Gross Receipts Tax Amounts | 22.1 | 14.9 |
Spire Alabama Inc [Member] | ||
Gross Receipts Tax Amounts | $ 6.8 | $ 5.7 |
Note 3 - Earnings Per Common _3
Note 3 - Earnings Per Common Share - Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions | 3 Months Ended | ||||
Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | ||
Net Income | $ 91 | $ 91 | $ 55.7 | $ 55.7 | |
Provision for preferred dividends | 3.7 | 3.7 | 3.7 | 3.7 | |
Income allocated to participating securities | 0.1 | 0.1 | 0.1 | 0.1 | |
Income Available to Common Shareholders | $ 87.2 | $ 87.2 | $ 51.9 | $ 51.9 | |
Basic (in shares) | 52.4 | 52.4 | 51.6 | 51.6 | |
Basic Earnings Per Common Share (in dollars per share) | $ 1.66 | $ 1.66 | $ 1.01 | $ 1.01 | |
Dilutive Effect of Restricted Stock and Restricted Stock Units (in millions)* (in shares) | [1] | 0.2 | 0.1 | ||
Weighted Average Diluted Common Shares (in millions) (in shares) | 52.6 | 52.6 | 51.7 | 51.7 | |
Diluted Earnings Per Common Share (in dollars per share) | $ 1,660,000 | $ 1.66 | $ 1,010,000 | $ 1.01 | |
* Calculation excludes certain outstanding common shares (shown in millions by period at the right) attributable to stock units subject to performance or market conditions and restricted stock, which could have a dilutive effect in the future (in shares) | 0.2 | 0.2 | |||
[1]Calculation excludes certain outstanding common shares (shown in millions by period at the right) attributable to stock units subject to performance or market conditions and restricted stock, which could have a dilutive effect in the future |
Note 4 - Regulatory Matters (De
Note 4 - Regulatory Matters (Details Textual) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended | |||||||||||
Jan. 18, 2023 | Dec. 27, 2022 | Nov. 18, 2022 | Sep. 14, 2022 | Dec. 23, 2021 | Oct. 31, 2022 | Feb. 28, 2021 | Dec. 31, 2022 | Sep. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jan. 25, 2023 | |
Utilities Operating Expense, Gas and Petroleum Purchased | $ 419.2 | $ 419.2 | $ 249.2 | $ 249.2 | |||||||||
Missouri Public Service Commission [Member] | Infrastructure System Replacement Surcharge [Member] | |||||||||||||
Public Utilities, Requested Rate Increase (Decrease), Amount | $ 47.3 | ||||||||||||
Spire Missouri [Member] | |||||||||||||
Utilities Operating Expense, Gas and Petroleum Purchased | $ 195.8 | $ 316.7 | $ 156.3 | ||||||||||
Public Utilities, Reduced Revenue Accounts Receivable Cost Of Gas and Regulatory Liabilities | $ 150 | ||||||||||||
Utilities Operating, Due From Other Parties | $ 42 | ||||||||||||
Spire Missouri [Member] | Missouri Public Service Commission [Member] | |||||||||||||
Public Utilities, Approved Rate Increase (Decrease), Amount | 72.2 | ||||||||||||
Public Utilities, Requested Rate Increase (Decrease), Amount | $ 24.9 | ||||||||||||
Public Utilities, Deferred Amount Under Order Authorizing Accounting Treatment | 42.8 | ||||||||||||
Deferred Amount in Accordance With New Capitalization Rates | 19 | ||||||||||||
Public Utilities, Deferred Amount Prudent Costs in Excess of Capitalization Rates | 18.8 | ||||||||||||
Deferred Amount, Prudent Costs Related To I S R S Settlement | $ 5 | ||||||||||||
Public Utilities New Annualized Base Rate Revenue Authorized | $ 78 | ||||||||||||
Public Utilities, Incremental Annualized Revenue Per ISRS Filing | $ 8.8 | ||||||||||||
Spire Missouri [Member] | Missouri Public Service Commission [Member] | Subsequent Event [Member] | |||||||||||||
Public Utilities, Disallowance From ACA Balance | $ 0.6 | ||||||||||||
Spire Gulf [Member] | |||||||||||||
Public Utilities, Approved Return on Equity, Percentage | 9.95% | ||||||||||||
Public Utilities, Approved Rate, Increase Decrease Annualized Revenue | $ 2.5 | ||||||||||||
Spire Mississippi [Member] | |||||||||||||
Public Utilities, Approved Rate Increase (Decrease), Amount | $ 1.3 | ||||||||||||
Spire Mississippi [Member] | Subsequent Event [Member] | |||||||||||||
Public Utilities, Approved Rate, Increase Decrease Annualized Revenue | $ 0.8 | ||||||||||||
Future Income Taxes Due From Customers and Pension and Other Postretirement Benefit Costs [Member] | |||||||||||||
Remaining Recovery Period of Regulatory Assets for which No Return on Investment During Recovery Period is Provided (Year) | 20 years | ||||||||||||
PGA Assets Not Earning A Return [Member] | |||||||||||||
Remaining Recovery Period of Regulatory Assets for which No Return on Investment During Recovery Period is Provided (Year) | 15 years |
Note 4 - Regulatory Matters - R
Note 4 - Regulatory Matters - Regulatory Assets and Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 |
Regulatory assets | $ 269.1 | $ 355.4 | $ 265.7 |
Regulatory Assets Noncurrent | 1,220.7 | 1,112.4 | 1,089.9 |
Total Regulatory Assets | 1,489.8 | 1,467.8 | 1,355.6 |
Regulatory liabilities | 3.7 | 3.7 | 4.1 |
Regulatory Liability Noncurrent | 344.9 | 418.2 | 531.8 |
Total Regulatory Liabilities | 348.6 | 421.9 | 535.9 |
Spire Missouri [Member] | |||
Regulatory assets | 191.2 | 288.1 | 236.9 |
Regulatory Assets Noncurrent | 634.7 | 547.6 | 560.5 |
Total Regulatory Assets | 825.9 | 835.7 | 797.4 |
Regulatory liabilities | 0 | 0 | 0.2 |
Regulatory Liability Noncurrent | 259 | 331.8 | 447.2 |
Total Regulatory Liabilities | 259 | 331.8 | 447.4 |
Spire Alabama Inc [Member] | |||
Regulatory assets | 67.3 | 56.9 | 14.6 |
Regulatory Assets Noncurrent | 560.4 | 538.2 | 501.7 |
Total Regulatory Assets | 627.7 | 595.1 | 516.3 |
Regulatory liabilities | 0 | 0 | 0.8 |
Regulatory Liability Noncurrent | 22.2 | 23 | 25.3 |
Total Regulatory Liabilities | 22.2 | 23 | 26.1 |
Unamortized Purchased Gas Adjustments Asset [Member] | |||
Regulatory assets | 238.9 | 322.2 | 242.4 |
Regulatory Assets Noncurrent | 107.9 | 0 | 27.3 |
Regulatory liabilities | 0 | 53 | 155 |
Unamortized Purchased Gas Adjustments Asset [Member] | Spire Missouri [Member] | |||
Regulatory assets | 181.2 | 275.1 | 235.2 |
Regulatory Assets Noncurrent | 107.9 | 0 | 27.3 |
Regulatory liabilities | 0 | 53 | 155 |
Unamortized Purchased Gas Adjustments Asset [Member] | Spire Alabama Inc [Member] | |||
Regulatory assets | 54.5 | 43.8 | 4.1 |
Other Regulatory Assets (Liabilities) [Member] | |||
Regulatory assets | 30.2 | 33.2 | 23.3 |
Regulatory Assets Noncurrent | 131.7 | 129.2 | 94.7 |
Regulatory liabilities | 3.7 | 3.7 | 4.1 |
Regulatory Liability Noncurrent | 13.7 | 14.4 | 13.8 |
Other Regulatory Assets (Liabilities) [Member] | Spire Missouri [Member] | |||
Regulatory assets | 10 | 13 | 1.7 |
Regulatory Assets Noncurrent | 116.3 | 113.1 | 77.8 |
Regulatory liabilities | 0 | 0 | 0.2 |
Regulatory Liability Noncurrent | 7 | 7.3 | 8.1 |
Other Regulatory Assets (Liabilities) [Member] | Spire Alabama Inc [Member] | |||
Regulatory assets | 12.8 | 13.1 | 10.5 |
Regulatory Assets Noncurrent | 1 | 1 | 1.2 |
Regulatory liabilities | 0 | 0 | 0.8 |
Regulatory Liability Noncurrent | 3.5 | 3.6 | 3.7 |
Pension and Other Postretirement Plans Costs [Member] | |||
Regulatory assets | 277.3 | 294.5 | 335.9 |
Regulatory Assets Noncurrent | 156.6 | 172.6 | 172.2 |
Pension and Other Postretirement Plans Costs [Member] | Spire Missouri [Member] | |||
Regulatory assets | 197.4 | 222.9 | 241.6 |
Regulatory Assets Noncurrent | 127.4 | 143.6 | 142.6 |
Pension and Other Postretirement Plans Costs [Member] | Spire Alabama Inc [Member] | |||
Regulatory assets | 75.1 | 66.5 | 88.7 |
Regulatory Assets Noncurrent | 18.7 | 19.4 | 21.6 |
Deferred Income Tax Charge [Member] | |||
Regulatory Assets Noncurrent | 138.6 | 137.8 | 135.5 |
Deferred Income Tax Charge [Member] | Spire Missouri [Member] | |||
Regulatory Assets Noncurrent | 130.1 | 129.2 | 126.9 |
Deferred Income Tax Charge [Member] | Spire Alabama Inc [Member] | |||
Regulatory Assets Noncurrent | 2.1 | 2.2 | 2.2 |
Removal Costs [Member] | |||
Regulatory Assets Noncurrent | 506.1 | 493.7 | 444.5 |
Regulatory Liability Noncurrent | 33.7 | 32.9 | 35.3 |
Removal Costs [Member] | Spire Missouri [Member] | |||
Regulatory Assets Noncurrent | 23.9 | 25.2 | 34.9 |
Regulatory Liability Noncurrent | 0 | 0 | 3.3 |
Removal Costs [Member] | Spire Alabama Inc [Member] | |||
Regulatory Assets Noncurrent | 482.2 | 468.5 | 409.6 |
Renewable Energy Program [Member] | |||
Regulatory Assets Noncurrent | 59.1 | 57.2 | 52 |
Renewable Energy Program [Member] | Spire Missouri [Member] | |||
Regulatory Assets Noncurrent | 59.1 | 57.2 | 52 |
Estimated Deferred Taxes Due to Customers [Member] | |||
Regulatory Liability Noncurrent | 140.9 | 145.3 | 155.5 |
Estimated Deferred Taxes Due to Customers [Member] | Spire Missouri [Member] | |||
Regulatory Liability Noncurrent | $ 124.6 | $ 127.9 | $ 138.2 |
Note 4 - Regulatory Matters -_2
Note 4 - Regulatory Matters - Regulatory Assets Not Earning a Return (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 |
Regulatory assets not earning a return | $ 675.4 | $ 686.3 | $ 666.6 |
Spire Missouri [Member] | |||
Regulatory assets not earning a return | 669.1 | 679.9 | 660.2 |
Pension and Other Postretirement Plans Costs [Member] | |||
Regulatory assets not earning a return | 127 | 152.9 | 163.4 |
Pension and Other Postretirement Plans Costs [Member] | Spire Missouri [Member] | |||
Regulatory assets not earning a return | 127 | 152.9 | 163.4 |
Deferred Income Tax Charge [Member] | |||
Regulatory assets not earning a return | 136.4 | 135.6 | 133.3 |
Deferred Income Tax Charge [Member] | Spire Missouri [Member] | |||
Regulatory assets not earning a return | 130.1 | 129.2 | 126.9 |
Unamortized Purchased Gas Adjustments Asset [Member] | |||
Regulatory assets not earning a return | 289.1 | 275.1 | 262.5 |
Unamortized Purchased Gas Adjustments Asset [Member] | Spire Missouri [Member] | |||
Regulatory assets not earning a return | 289.1 | 275.1 | 262.5 |
Other Regulatory Assets (Liabilities) [Member] | |||
Regulatory assets not earning a return | 122.9 | 122.7 | 107.4 |
Other Regulatory Assets (Liabilities) [Member] | Spire Missouri [Member] | |||
Regulatory assets not earning a return | $ 122.9 | $ 122.7 | $ 107.4 |
Note 5 - Financing (Details Tex
Note 5 - Financing (Details Textual) - USD ($) $ in Thousands | 1 Months Ended | ||||
Jan. 05, 2023 | Mar. 31, 2021 | Dec. 31, 2022 | Oct. 13, 2022 | Jul. 22, 2022 | |
Commercial Paper [Member] | |||||
Short-term Borrowing, Maximum Aggregate Principal Amount | $ 1,300,000 | ||||
Commercial Paper [Member] | Parent Company [Member] | |||||
Short Term Borrowings Used to Support Lending to Utilities | $ 843,400 | ||||
Spire Missouri [Member] | Unsecured Term Loan [Member] | |||||
Debt Instrument, Face Amount | $ 250,000 | ||||
Debt Instrument, Term (Day) | 364 days | ||||
Spire Missouri [Member] | Unsecured Term Loan [Member] | Subsequent Event [Member] | |||||
Debt Instrument, Face Amount | $ 250,000 | ||||
Debt Instrument, Interest Rate, Stated Percentage | 0.10% | ||||
Spire Missouri [Member] | Unsecured Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] (Deprecated 2023) | |||||
Line of Credit Facility, Covenant, Percentage of Total Capitalization | 65% | ||||
Debt Instrument, Basis Spread on Variable Rate | 0.65% | ||||
Spire Missouri [Member] | Unsecured Term Loan [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Subsequent Event [Member] | |||||
Debt Instrument, Basis Spread on Variable Rate | 0.80% | ||||
Spire Gulf [Member] | Notes Due October 15, 2029 [Member] | |||||
Debt Instrument, Interest Rate, Stated Percentage | 5.32% | ||||
Long-Term Debt, Gross | $ 90,000 | ||||
Spire Gulf [Member] | Notes Due October 15, 2032 [Member] | |||||
Debt Instrument, Interest Rate, Stated Percentage | 5.41% | ||||
Long-Term Debt, Gross | $ 85,000 | ||||
Spire Gulf [Member] | First Mortgage Bonds Due October 15, 2037 [Member] | |||||
Debt Instrument, Interest Rate, Stated Percentage | 5.61% | ||||
Long-Term Debt, Gross | $ 30,000 | ||||
Revolving Credit Facility [Member] | |||||
Line of Credit Facility, Maximum Borrowing Capacity | 1,300,000 | ||||
Long-Term Line of Credit, Total | $ 0 | ||||
Revolving Credit Facility [Member] | Maximum [Member] | |||||
Line of Credit Facility, Covenant, Percentage of Total Capitalization | 70% | ||||
Revolving Credit Facility [Member] | Spire [Member] | |||||
Line of Credit Facility, Maximum Borrowing Capacity | 450,000 | ||||
Revolving Credit Facility [Member] | Spire Missouri [Member] | |||||
Line of Credit Facility, Maximum Borrowing Capacity | 575,000 | ||||
Revolving Credit Facility [Member] | Spire Alabama Inc [Member] | |||||
Line of Credit Facility, Maximum Borrowing Capacity | $ 275,000 |
Note 5 - Financing - Short-term
Note 5 - Financing - Short-term Borrowings (Details) - USD ($) $ in Millions | 3 Months Ended | ||
Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 | |
Highest borrowings outstanding | $ 1,230 | ||
Lowest borrowings outstanding | 829.5 | ||
Weighted average borrowings | $ 1,071.3 | ||
Weighted average interest rate | 4.40% | ||
Borrowings outstanding | $ 1,227 | $ 1,037.5 | $ 846 |
Weighted average interest rate | 4.90% | 3.30% | 0.50% |
Spire Missouri [Member] | Term Loan [Member] | |||
Highest borrowings outstanding | $ 0 | ||
Lowest borrowings outstanding | 0 | ||
Weighted average borrowings | 0 | ||
Borrowings outstanding | 0 | $ 0 | $ 250 |
Weighted average interest rate | 0% | 0.70% | |
Spire Missouri [Member] | Spire Note [Member] | |||
Highest borrowings outstanding | 651.2 | ||
Lowest borrowings outstanding | 439.6 | ||
Weighted average borrowings | $ 529.6 | ||
Weighted average interest rate | 4.30% | ||
Borrowings outstanding | $ 651.2 | $ 445.3 | $ 180.4 |
Weighted average interest rate | 4.90% | 3.30% | 0.40% |
Spire Alabama Inc [Member] | Spire Note [Member] | |||
Highest borrowings outstanding | $ 274 | ||
Lowest borrowings outstanding | 76.7 | ||
Weighted average borrowings | $ 138.3 | ||
Weighted average interest rate | 4.20% | ||
Borrowings outstanding | $ 145.8 | $ 260.9 | $ 173.7 |
Weighted average interest rate | 4.90% | 3.30% | 0.40% |
Commercial Paper [Member] | Parent Company [Member] | |||
Highest borrowings outstanding | $ 1,230 | ||
Lowest borrowings outstanding | 829.5 | ||
Weighted average borrowings | $ 1,071.3 | ||
Weighted average interest rate | 4.40% | ||
Borrowings outstanding | $ 1,227 | $ 1,037.5 | $ 596 |
Weighted average interest rate | 4.90% | 3.30% | 0.40% |
Note 5 - Financing - Capitalize
Note 5 - Financing - Capitalized Interest Expense (Details) - USD ($) $ in Millions | 3 Months Ended | |
Dec. 31, 2022 | Dec. 31, 2021 | |
Interest Paid Capitalized | $ 1.6 | $ 1.1 |
Spire Missouri [Member] | ||
Interest Paid Capitalized | 0.5 | 0 |
Spire Alabama Inc [Member] | ||
Interest Paid Capitalized | $ 0.7 | $ 0.8 |
Note 6 - Fair Value of Financ_3
Note 6 - Fair Value of Financial Instruments - Estimated Fair Value of Financial Instruments Not Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 |
Reported Value Measurement [Member] | |||
Cash and cash equivalents | $ 4.8 | $ 6.5 | $ 8.2 |
Notes payable | 1,227 | 1,037.5 | 846 |
Long-term debt, including current portion | 3,412.9 | 3,239.7 | 3,238 |
Reported Value Measurement [Member] | Spire Missouri [Member] | |||
Notes payable | 250 | ||
Long-term debt, including current portion | 1,638.1 | 1,637.7 | 1,637 |
Notes payable – associated companies | 651.2 | 445.3 | 180.4 |
Reported Value Measurement [Member] | Spire Alabama Inc [Member] | |||
Cash and cash equivalents | 2.4 | ||
Long-term debt, including current portion | 745.6 | 571.5 | 571.3 |
Notes payable – associated companies | 145.8 | 260.9 | 173.7 |
Estimate of Fair Value Measurement [Member] | |||
Cash and cash equivalents | 4.8 | 6.5 | 8.2 |
Notes payable | 1,227 | 1,037.5 | 846 |
Long-term debt, including current portion | 3,083.7 | 2,851.8 | 3,594.4 |
Estimate of Fair Value Measurement [Member] | Spire Missouri [Member] | |||
Notes payable | 250 | ||
Long-term debt, including current portion | 1,497.7 | 1,473.9 | 1,830.5 |
Notes payable – associated companies | 651.2 | 445.3 | 180.4 |
Estimate of Fair Value Measurement [Member] | Spire Alabama Inc [Member] | |||
Cash and cash equivalents | 2.4 | ||
Long-term debt, including current portion | 674.5 | 485 | 653.6 |
Notes payable – associated companies | 145.8 | 260.9 | 173.7 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | |||
Cash and cash equivalents | 4.8 | 6.5 | 8.2 |
Notes payable | 0 | 0 | 0 |
Long-term debt, including current portion | 0 | 0 | 0 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Spire Missouri [Member] | |||
Notes payable | 0 | ||
Long-term debt, including current portion | 0 | 0 | 0 |
Notes payable – associated companies | 0 | 0 | 0 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 1 [Member] | Spire Alabama Inc [Member] | |||
Cash and cash equivalents | 2.4 | ||
Long-term debt, including current portion | 0 | 0 | 0 |
Notes payable – associated companies | 0 | 0 | 0 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | |||
Cash and cash equivalents | 0 | 0 | 0 |
Notes payable | 1,227 | 1,037.5 | 846 |
Long-term debt, including current portion | 3,083.7 | 2,851.8 | 3,594.4 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Spire Missouri [Member] | |||
Notes payable | 250 | ||
Long-term debt, including current portion | 1,497.7 | 1,473.9 | 1,830.5 |
Notes payable – associated companies | 651.2 | 445.3 | 180.4 |
Estimate of Fair Value Measurement [Member] | Fair Value, Inputs, Level 2 [Member] | Spire Alabama Inc [Member] | |||
Cash and cash equivalents | 0 | ||
Long-term debt, including current portion | 674.5 | 485 | 653.6 |
Notes payable – associated companies | $ 145.8 | $ 260.9 | $ 173.7 |
Note 7 - Fair Value Measureme_3
Note 7 - Fair Value Measurements - Schedule of Derivative Assets and Liabilities, Including Receivables and Payables (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 |
Gasoline And Heating Oil Contracts [Member] | Parent Company [Member] | Term Loan [Member] | |||
Derivative Asset Fair Value Gross Asset | $ 0 | ||
Derivative Liability Fair Value Gross Liability | 0 | ||
Gasoline And Heating Oil Contracts [Member] | Commercial Paper [Member] | Parent Company [Member] | |||
Derivative Asset Fair Value Gross Asset | 0.2 | ||
Derivative Liability Fair Value Gross Liability | 0.2 | ||
Spire Missouri [Member] | Gasoline And Heating Oil Contracts [Member] | Term Loan [Member] | |||
Effects of netting, asset | (0.2) | ||
Effects of netting, liability | (0.2) | ||
Spire Missouri [Member] | Gasoline And Heating Oil Contracts [Member] | Spire Note [Member] | |||
Derivative Assets | 0 | ||
Derivative Liabilities | 0 | ||
Fair Value, Recurring [Member] | |||
Effects of netting, asset | (65.8) | $ (153.6) | $ (77.3) |
Derivative Assets | 188.9 | 164.6 | 91.3 |
Effects of netting, liability | (107.5) | (117) | (56.7) |
Derivative Liabilities | 58.7 | 61.5 | 77.3 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | |||
Derivative Asset Fair Value Gross Asset | 254.7 | 318.2 | 61.2 |
Derivative Liability Fair Value Gross Liability | 166.2 | 178.5 | 15.9 |
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | 0 | 107.4 |
Derivative Liability Fair Value Gross Liability | 0 | 0 | 118.1 |
Fair Value, Recurring [Member] | Spire Missouri [Member] | |||
Effects of netting, asset | (0.6) | (57.8) | (2.4) |
Derivative Assets | 19.5 | 19.1 | 24.8 |
Effects of netting, liability | (35.9) | ||
Derivative Liabilities | 0 | ||
Fair Value, Recurring [Member] | Spire Missouri [Member] | Fair Value, Inputs, Level 1 [Member] | |||
Derivative Asset Fair Value Gross Asset | 20.1 | 76.9 | 27.2 |
Derivative Liability Fair Value Gross Liability | 35.9 | ||
Fair Value, Recurring [Member] | Spire Missouri [Member] | Fair Value, Inputs, Level 2 [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | 0 | 0 |
Derivative Liability Fair Value Gross Liability | 0 | ||
U S Stock And Bond Mutual Funds [Member] | Fair Value, Recurring [Member] | Gas Utility [Member] | |||
Effects of netting, asset | 0 | 0 | 0 |
Derivative Assets | 19.5 | 19.1 | 24.8 |
U S Stock And Bond Mutual Funds [Member] | Fair Value, Recurring [Member] | Other Segments [Member] | |||
Effects of netting, asset | 0 | 0 | 0 |
Derivative Assets | 28.3 | 29.3 | 24.6 |
U S Stock And Bond Mutual Funds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Gas Utility [Member] | |||
Derivative Asset Fair Value Gross Asset | 19.5 | 19.1 | 24.8 |
U S Stock And Bond Mutual Funds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other Segments [Member] | |||
Derivative Asset Fair Value Gross Asset | 28.3 | 29.3 | 24.6 |
U S Stock And Bond Mutual Funds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Gas Utility [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | 0 | 0 |
U S Stock And Bond Mutual Funds [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Other Segments [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | 0 | 0 |
U S Stock And Bond Mutual Funds [Member] | Fair Value, Recurring [Member] | Spire Missouri [Member] | |||
Effects of netting, asset | 0 | 0 | 0 |
Derivative Assets | 19.5 | 19.1 | 24.8 |
U S Stock And Bond Mutual Funds [Member] | Fair Value, Recurring [Member] | Spire Missouri [Member] | Fair Value, Inputs, Level 1 [Member] | |||
Derivative Asset Fair Value Gross Asset | 19.5 | 19.1 | 24.8 |
U S Stock And Bond Mutual Funds [Member] | Fair Value, Recurring [Member] | Spire Missouri [Member] | Fair Value, Inputs, Level 2 [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | 0 | 0 |
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | |||
Effects of netting, liability | (8.6) | ||
Derivative Liabilities | 0 | ||
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | Gas Utility [Member] | |||
Effects of netting, asset | (0.4) | (57.8) | (2.4) |
Derivative Assets | 0 | 0 | 0 |
Effects of netting, liability | (35.7) | (30.7) | (8.6) |
Derivative Liabilities | 0 | 0 | 0 |
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | Gas Marketing [Member] | |||
Effects of netting, asset | (52) | (91.8) | (67) |
Derivative Assets | 0 | 0 | 0 |
Effects of netting, liability | (58.4) | (82.3) | (40.2) |
Derivative Liabilities | 0 | 0 | 0 |
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | |||
Derivative Liability Fair Value Gross Liability | 8.6 | ||
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Gas Utility [Member] | |||
Derivative Asset Fair Value Gross Asset | 0.4 | 57.8 | 2.4 |
Derivative Liability Fair Value Gross Liability | 35.7 | 30.7 | 8.6 |
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Gas Marketing [Member] | |||
Derivative Asset Fair Value Gross Asset | 52 | 91.8 | 0 |
Derivative Liability Fair Value Gross Liability | 58.4 | 82.3 | 0 |
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | |||
Derivative Liability Fair Value Gross Liability | 0 | ||
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Gas Utility [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | 0 | 0 |
Derivative Liability Fair Value Gross Liability | 0 | 0 | 0 |
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Gas Marketing [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | 0 | 67 |
Derivative Liability Fair Value Gross Liability | 0 | 0 | 40.2 |
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | Spire Missouri [Member] | |||
Effects of netting, asset | (0.4) | (57.8) | (2.4) |
Derivative Assets | 0 | 0 | 0 |
Effects of netting, liability | (35.7) | (30.7) | |
Derivative Liabilities | 0 | 0 | |
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | Spire Missouri [Member] | Fair Value, Inputs, Level 1 [Member] | |||
Derivative Asset Fair Value Gross Asset | 0.4 | 57.8 | 2.4 |
Derivative Liability Fair Value Gross Liability | 35.7 | 30.7 | |
N Y M E X I C E Natural Gas Contracts [Member] | Fair Value, Recurring [Member] | Spire Missouri [Member] | Fair Value, Inputs, Level 2 [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | 0 | 0 |
Derivative Liability Fair Value Gross Liability | 0 | 0 | |
Gasoline And Heating Oil Contracts [Member] | Spire Missouri [Member] | Estimate of Fair Value Measurement [Member] | |||
Effects of netting, liability | (0.2) | ||
Derivative Liabilities | 0 | ||
Gasoline And Heating Oil Contracts [Member] | Spire Missouri [Member] | Fair Value, Inputs, Level 1 [Member] | Reported Value Measurement [Member] | |||
Derivative Liability Fair Value Gross Liability | 0.2 | ||
Gasoline And Heating Oil Contracts [Member] | Spire Missouri [Member] | Fair Value, Inputs, Level 2 [Member] | Estimate of Fair Value Measurement [Member] | |||
Derivative Liability Fair Value Gross Liability | 0 | ||
Gasoline And Heating Oil Contracts [Member] | Fair Value, Recurring [Member] | Spire Missouri [Member] | |||
Effects of netting, asset | (0.2) | ||
Derivative Assets | 0 | ||
Gasoline And Heating Oil Contracts [Member] | Fair Value, Recurring [Member] | Spire Missouri [Member] | Fair Value, Inputs, Level 1 [Member] | |||
Derivative Asset Fair Value Gross Asset | 0.2 | ||
Gasoline And Heating Oil Contracts [Member] | Fair Value, Recurring [Member] | Spire Missouri [Member] | Fair Value, Inputs, Level 2 [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | ||
Natural Gas Commodity Contracts [Member] | Fair Value, Recurring [Member] | Gas Marketing [Member] | |||
Effects of netting, asset | (13.2) | (4) | (2.3) |
Derivative Assets | 79.7 | 52.6 | 38.1 |
Effects of netting, liability | (13.2) | (4) | (2.3) |
Derivative Liabilities | 57.9 | 61.5 | 75.6 |
Natural Gas Commodity Contracts [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Gas Marketing [Member] | |||
Derivative Asset Fair Value Gross Asset | 92.9 | 56.6 | 0 |
Derivative Liability Fair Value Gross Liability | 71.1 | 65.5 | 0 |
Natural Gas Commodity Contracts [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Gas Marketing [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | 0 | 40.4 |
Derivative Liability Fair Value Gross Liability | 0 | 0 | 77.9 |
Interest Rate Swap [Member] | Fair Value, Recurring [Member] | |||
Effects of netting, asset | (5.6) | ||
Derivative Assets | 3.8 | ||
Interest Rate Swap [Member] | Fair Value, Recurring [Member] | Other Segments [Member] | |||
Effects of netting, asset | 0 | 0 | |
Derivative Assets | 61.4 | 63.6 | |
Effects of netting, liability | 0 | (5.6) | |
Derivative Liabilities | 0.8 | 1.7 | |
Interest Rate Swap [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | |||
Derivative Asset Fair Value Gross Asset | 9.4 | ||
Interest Rate Swap [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Other Segments [Member] | |||
Derivative Asset Fair Value Gross Asset | 61.4 | 63.6 | |
Derivative Liability Fair Value Gross Liability | 0.8 | 7.3 | |
Interest Rate Swap [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | ||
Interest Rate Swap [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Other Segments [Member] | |||
Derivative Asset Fair Value Gross Asset | 0 | $ 0 | |
Derivative Liability Fair Value Gross Liability | $ 0 | $ 0 |
Note 8 - Pension Plans and Ot_3
Note 8 - Pension Plans and Other Postretirement Benefits (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended | ||||
Dec. 23, 2021 | Dec. 22, 2021 | Dec. 31, 2022 | Dec. 31, 2021 | Jun. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | |
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Remeasurement due to Settlement | $ 0 | $ 0 | |||||
Regulatory Asset, Total | 1,489,800 | 1,355,600 | $ 1,467,800 | ||||
Spire Alabama Inc [Member] | |||||||
Regulatory Asset, Total | 627,700 | 516,300 | $ 595,100 | ||||
Spire Alabama Inc [Member] | Pension Plan [Member] | |||||||
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Remeasurement due to Settlement | 27,500 | ||||||
Defined Benefit Plan, Benefit Obligation, Payment for Settlement | 8,600 | ||||||
Defined Benefit Plan, Plan Assets, Contributions by Employer | 13,000 | ||||||
Anticipated Contributions to Pension Plans Qualified Trusts | $ 27,800 | ||||||
Spire Alabama Inc [Member] | Pension Plan One [Member] | |||||||
Defined Benefit Plan, Benefit Obligation, Settlement Losses Amortized Over Remaining Actuarial Life (Year) | 13 years 4 months 24 days | ||||||
Spire Alabama Inc [Member] | Pension Plan Two [Member] | |||||||
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 5.65% | ||||||
Defined Benefit Plan, Benefit Obligation, Settlement Losses Amortized Over Remaining Actuarial Life (Year) | 12 years 4 months 24 days | ||||||
Spire Alabama Inc [Member] | Other Postretirement Benefits Plan [Member] | |||||||
Defined Benefit Plan, Plan Assets, Contributions by Employer | $ 0 | ||||||
Anticipated Contributions to Pension Plans Qualified Trusts | $ 0 | ||||||
Spire Missouri [Member] | |||||||
Regulatory Asset, Total | $ 825,900 | $ 797,400 | $ 835,700 | ||||
Spire Missouri [Member] | Pension Costs [Member] | Missouri West [Member] | |||||||
Regulatory Asset, Total | $ 4,400 | $ 5,500 | |||||
Spire Missouri [Member] | Pension Costs [Member] | Missouri East [Member] | |||||||
Regulatory Asset, Total | 32,400 | 29,000 | |||||
Spire Missouri [Member] | Pension and Other Postretirement Plans Costs [Member] | Missouri West [Member] | |||||||
Regulatory Assets for Which No Return on Investment During Recovery Period Is Provided | $ 1,100 | $ 3,300 | |||||
Remaining Recovery Period of Regulatory Assets for which No Return on Investment During Recovery Period is Provided (Year) | 8 years | ||||||
Additional Remaining Recovery Period of Regulatory Assets for Which No Return on Investment During Recovery Period Is Provided (Year) | 8 years | ||||||
Spire Missouri [Member] | Pension and Other Postretirement Plans Costs [Member] | Missouri East [Member] | |||||||
Regulatory Assets for Which No Return on Investment During Recovery Period Is Provided | $ 11,000 | $ 21,600 | |||||
Remaining Recovery Period of Regulatory Assets for which No Return on Investment During Recovery Period is Provided (Year) | 8 years | ||||||
Additional Remaining Recovery Period of Regulatory Assets for Which No Return on Investment During Recovery Period Is Provided (Year) | 8 years | ||||||
Spire Missouri [Member] | Pension Plan [Member] | |||||||
Anticipated Contributions to Pension Plans Qualified Trusts | 800 | ||||||
Spire Missouri [Member] | Pension Plan [Member] | Qualified Plan [Member] | |||||||
Defined Benefit Plan, Plan Assets, Contributions by Employer | 16,700 | ||||||
Spire Missouri [Member] | Pension Plan [Member] | Nonqualified Plan [Member] | |||||||
Defined Benefit Plan, Plan Assets, Contributions by Employer | $ 0 | ||||||
Spire Missouri [Member] | Pension Plan One [Member] | |||||||
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 5.60% | 5.70% | |||||
Spire Missouri [Member] | Other Postretirement Benefits Plan [Member] | |||||||
Postretirement Benefit Plans, Recovery in Rates Base Allowance | $ 8,600 | ||||||
Spire Missouri [Member] | Other Postretirement Benefits Plan [Member] | Forecast [Member] | |||||||
Anticipated Contributions to Pension Plans Qualified Trusts | $ 0 |
Note 8 - Pension Plans and Ot_4
Note 8 - Pension Plans and Other Postretirement Benefits - Net Pension Costs (Details) - USD ($) $ in Millions | 3 Months Ended | |
Dec. 31, 2022 | Dec. 31, 2021 | |
Pension Plan [Member] | ||
Service cost – benefits earned during the period | $ 4.1 | $ 5.4 |
Interest cost on projected benefit obligation | 6.4 | 5.1 |
Expected return on plan assets | (6.4) | (8.2) |
Amortization of prior service credit | (1.1) | (1.1) |
Amortization of actuarial loss | 1.6 | 3.7 |
Loss on lump-sum settlements | 8.6 | 0 |
Subtotal | 13.2 | 4.9 |
Regulatory adjustment | 1.8 | 10.6 |
Net pension cost | 15 | 15.5 |
Pension Plan [Member] | Spire Missouri [Member] | ||
Service cost – benefits earned during the period | 2.8 | 3.9 |
Interest cost on projected benefit obligation | 4.5 | 3.5 |
Expected return on plan assets | (4.5) | (6) |
Amortization of prior service credit | (0.5) | (0.5) |
Amortization of actuarial loss | 1.5 | 2.8 |
Loss on lump-sum settlements | 8.6 | 0 |
Subtotal | 3.8 | 3.7 |
Regulatory adjustment | 8.1 | 8.5 |
Net pension cost | 11.9 | 12.2 |
Pension Plan [Member] | Spire Alabama Inc [Member] | ||
Service cost – benefits earned during the period | 1.1 | 1.4 |
Interest cost on projected benefit obligation | 1.3 | 1.1 |
Expected return on plan assets | (1.1) | (1.4) |
Amortization of prior service credit | (0.6) | (0.6) |
Amortization of actuarial loss | 0.1 | 0.9 |
Subtotal | 9.4 | 1.4 |
Regulatory adjustment | (6.5) | 1.9 |
Net pension cost | 2.9 | 3.3 |
Other Postretirement Benefits Plan [Member] | ||
Service cost – benefits earned during the period | 1.2 | 1.9 |
Interest cost on projected benefit obligation | 2.1 | 1.5 |
Expected return on plan assets | (3.9) | (4.2) |
Amortization of prior service credit | 0.1 | 0.3 |
Amortization of actuarial loss | (1) | (0.6) |
Subtotal | (1.5) | (1.1) |
Regulatory adjustment | 0.1 | 3.2 |
Net pension cost | (1.4) | 2.1 |
Other Postretirement Benefits Plan [Member] | Spire Missouri [Member] | ||
Service cost – benefits earned during the period | 1 | 1.6 |
Interest cost on projected benefit obligation | 1.6 | 1.1 |
Expected return on plan assets | (2.6) | (2.8) |
Amortization of prior service credit | 0.2 | 0.2 |
Amortization of actuarial loss | (0.8) | (0.5) |
Subtotal | (0.6) | (0.4) |
Regulatory adjustment | 0.6 | 3.6 |
Net pension cost | 0 | 3.2 |
Other Postretirement Benefits Plan [Member] | Spire Alabama Inc [Member] | ||
Service cost – benefits earned during the period | 0.2 | 0.3 |
Interest cost on projected benefit obligation | 0.4 | 0.4 |
Expected return on plan assets | (1.2) | (1.3) |
Amortization of prior service credit | (0.1) | 0.1 |
Amortization of actuarial loss | (0.1) | 0 |
Subtotal | (0.8) | (0.5) |
Regulatory adjustment | (0.5) | (0.5) |
Net pension cost | $ (1.3) | $ (1) |
Note 9 - Information by Opera_3
Note 9 - Information by Operating Segment (Details Textual) | 3 Months Ended |
Dec. 31, 2022 | |
Number of Reportable Segments | 3 |
Note 9 - Information by Opera_4
Note 9 - Information by Operating Segment - Segment Information by Segment (Details) - USD ($) $ in Millions | 3 Months Ended | |||
Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | |
Revenues from external customers | $ 814 | $ 555.4 | ||
Intersegment revenues | 0 | 0 | ||
Operating Revenues | 814 | $ 814 | 555.4 | $ 555.4 |
Natural gas | 419.2 | 419.2 | 249.2 | 249.2 |
Operation and maintenance | 132.1 | 132.1 | 116.4 | 116.4 |
Depreciation and amortization | 62.1 | 62.1 | 56.9 | 56.9 |
Taxes, other than income taxes | 50.4 | 50.4 | 37.6 | 37.6 |
Total Operating Expenses | 663.8 | 663.8 | 460.1 | 460.1 |
Operating Income (Loss) | 150.2 | $ 150.2 | 95.3 | $ 95.3 |
Net Economic Earnings (Loss) | 85.1 | 62.6 | ||
Other Segments [Member] | ||||
Revenues from external customers | 0.1 | 0.2 | ||
Intersegment revenues | 3.9 | 3.5 | ||
Operating Revenues | 4 | 3.7 | ||
Natural gas | 0 | 0 | ||
Operation and maintenance | 4 | 4.2 | ||
Depreciation and amortization | 0.2 | 0.1 | ||
Taxes, other than income taxes | 0 | 0 | ||
Total Operating Expenses | 4.2 | 4.3 | ||
Operating Income (Loss) | (0.2) | (0.6) | ||
Net Economic Earnings (Loss) | (7.3) | (7.6) | ||
Operating Segments [Member] | Gas Utility [Member] | ||||
Revenues from external customers | 733 | 503.5 | ||
Intersegment revenues | 0 | 0 | ||
Operating Revenues | 733 | 503.5 | ||
Natural gas | 401.6 | 210.2 | ||
Operation and maintenance | 119.9 | 107.3 | ||
Depreciation and amortization | 59.7 | 54.6 | ||
Taxes, other than income taxes | 49.9 | 37 | ||
Total Operating Expenses | 631.1 | 409.1 | ||
Operating Income (Loss) | 101.9 | 94.4 | ||
Net Economic Earnings (Loss) | 62.9 | 67.2 | ||
Operating Segments [Member] | Gas Marketing [Member] | ||||
Revenues from external customers | 74.1 | 47.9 | ||
Intersegment revenues | 0 | 0 | ||
Operating Revenues | 74.1 | 47.9 | ||
Natural gas | 26 | 48 | ||
Operation and maintenance | 6.3 | 2.7 | ||
Depreciation and amortization | 0.3 | 0.3 | ||
Taxes, other than income taxes | 0.1 | 0 | ||
Total Operating Expenses | 32.7 | 51 | ||
Operating Income (Loss) | 41.4 | (3.1) | ||
Net Economic Earnings (Loss) | 25.7 | 0.5 | ||
Operating Segments [Member] | Midstream [Member] | ||||
Revenues from external customers | 6.8 | 3.8 | ||
Intersegment revenues | 8.4 | 9.1 | ||
Operating Revenues | 15.2 | 12.9 | ||
Natural gas | 0 | 0 | ||
Operation and maintenance | 5.8 | 5.8 | ||
Depreciation and amortization | 1.9 | 1.9 | ||
Taxes, other than income taxes | 0.4 | 0.6 | ||
Total Operating Expenses | 8.1 | 8.3 | ||
Operating Income (Loss) | 7.1 | 4.6 | ||
Net Economic Earnings (Loss) | 3.8 | 2.5 | ||
Consolidation, Eliminations [Member] | ||||
Revenues from external customers | 0 | 0 | ||
Intersegment revenues | (12.3) | (12.6) | ||
Operating Revenues | (12.3) | (12.6) | ||
Natural gas | (8.4) | (9) | ||
Operation and maintenance | (3.9) | (3.6) | ||
Depreciation and amortization | 0 | 0 | ||
Taxes, other than income taxes | 0 | 0 | ||
Total Operating Expenses | (12.3) | (12.6) | ||
Operating Income (Loss) | 0 | 0 | ||
Net Economic Earnings (Loss) | $ 0 | $ 0 |
Note 9 - Information by Opera_5
Note 9 - Information by Operating Segment - Net Economic Earnings to Net Income (Details) - USD ($) $ in Millions | 3 Months Ended | |||
Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | |
Net Income | $ 91 | $ 91 | $ 55.7 | $ 55.7 |
Fair value and timing adjustments | (7.8) | 3.7 | ||
Income tax adjustments | 1.9 | 3.2 | ||
Net Economic Earnings | $ 85.1 | $ 62.6 |
Note 9 - Information by Opera_6
Note 9 - Information by Operating Segment - Total Assets by Segment (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021 |
Total Assets | $ 10,327.7 | $ 10,083.7 | $ 9,650.5 |
Operating Segments [Member] | Gas Utility [Member] | |||
Total Assets | 8,355.1 | 8,042.8 | 7,882.1 |
Operating Segments [Member] | Gas Marketing [Member] | |||
Total Assets | 492.4 | 638.7 | 424.4 |
Operating Segments [Member] | Midstream [Member] | |||
Total Assets | 466.6 | 446 | 421.7 |
Operating Segments [Member] | Other Segments [Member] | |||
Total Assets | 2,882.8 | 2,449.2 | 1,995.9 |
Consolidation, Eliminations [Member] | |||
Total Assets | $ (1,869.2) | $ (1,493) | $ (1,073.6) |
Note 10 - Commitments and Con_2
Note 10 - Commitments and Contingencies (Details Textual) $ in Millions | 3 Months Ended |
Dec. 31, 2022 USD ($) | |
Long-Term Purchase Commitment, Amount | $ 1,445 |
Capital Committed to Contribute to Partnership | 10 |
Contributed Capital, Total | 1.9 |
Spire Missouri [Member] | |
Long-Term Purchase Commitment, Amount | 1,027.3 |
Spire Alabama Inc [Member] | |
Long-Term Purchase Commitment, Amount | $ 244.6 |