Altus Power (AMPS) 10-Q 15 Aug 22 2022 Q2 Quarterly report Financial data

Cover Page

Cover Page - shares	6 Months Ended
	Jun. 30, 2022	Jul. 29, 2022
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2022
Document Transition Report	false
Entity File Number	001-04321
Entity Registrant Name	ALTUS POWER, INC.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-3448396
Entity Address, Address Line One	2200 Atlantic Street, Sixth Floor
Entity Address, City or Town	Stamford
Entity Address, State or Province	CT
Entity Address, Postal Zip Code	06902
City Area Code	203
Local Phone Number	698-0090
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Entity Central Index Key	0001828723
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2
Current Fiscal Year End Date	--12-31
Amendment Flag	false
Class A Common Stock
Document Information [Line Items]
Title of 12(b) Security	Class A common stock, par value $0.0001 per share
Trading Symbol	AMPS
Security Exchange Name	NYSE
Entity Common Stock, Shares Outstanding		154,718,268
Warrant
Document Information [Line Items]
Title of 12(b) Security	Warrants to purchase one share of common stock, each at an exercise price of $11.00
Trading Symbol	AMPS.WS
Security Exchange Name	NYSE
Common Class B
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		1,207,500

Consolidated Consolidated State

Consolidated Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement [Abstract]
Operating revenues, net	$ 24,762	$ 17,613	$ 43,961	$ 30,084
Operating expenses
Cost of operations (exclusive of depreciation and amortization shown separately below)	4,290	3,236	8,354	6,156
General and administrative	6,558	4,220	12,942	7,443
Depreciation, amortization and accretion expense	6,863	4,470	13,685	8,858
Acquisition and entity formation costs	52	85	346	232
Gain on fair value remeasurement of contingent consideration, net	(1,140)	(775)	(971)	(2,050)
Stock-based compensation	2,657	37	3,962	77
Total operating expenses	19,280	11,273	38,318	20,716
Operating income	5,482	6,340	5,643	9,368
Other (income) expense
Change in fair value of redeemable warrant liability	(4,659)	0	(23,117)	0
Change in fair value of alignment shares liability	(16,705)	0	(63,051)	0
Other income, net	(608)	(138)	(593)	(249)
Interest expense, net	5,173	4,826	10,111	8,739
Total other (income) expense	(16,799)	4,688	(76,650)	8,490
Income before income tax expense	22,281	1,652	82,293	878
Income tax expense	(707)	(2,092)	(584)	(1,055)
Net income (loss)	21,574	(440)	81,709	(177)
Net (loss) income attributable to noncontrolling interests and redeemable noncontrolling interests	(2,541)	749	(2,825)	50
Net income (loss) attributable to Altus Power, Inc.	$ 24,115	$ (1,189)	$ 84,534	$ (227)
Net income (loss) per share attributable to common stockholders
Net income (loss) per share attributable to common stockholders – basic (in usd per share)	$ 0.16	$ (0.01)	$ 0.55	$ 0
Net income (loss) per share attributable to common stockholders – diluted (in usd per share)	$ 0.16	$ (0.01)	$ 0.55	$ 0
Weighted average shares used to compute net income (loss) per share attributable to common stockholders
Weighted average shares used to compute net income (loss) per share attributable to common stockholders – basic (in shares)	153,310,068	88,741,089	152,988,078	88,741,089
Weighted average shares used to compute net income (loss) per share attributable to common stockholders – diluted (in shares)	153,954,843	88,741,089	153,771,992	88,741,089

Condensed Consolidated Balance

Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 295,079	$ 325,983
Current portion of restricted cash	2,459	2,544
Accounts receivable, net	13,158	9,218
Other current assets	5,748	6,659
Total current assets	316,444	344,404
Restricted cash, noncurrent portion	1,794	1,794
Property, plant and equipment, net	764,884	745,711
Intangible assets, net	19,383	16,702
Other assets	3,547	4,638
Total assets	1,106,052	1,113,249
Current liabilities:
Accounts payable	2,869	3,591
Interest payable	4,383	4,494
Current portion of long-term debt, net	15,726	21,143
Other current liabilities	4,597	3,663
Total current liabilities	27,575	32,891
Redeemable warrant liability	19,476	49,933
Alignment shares liability	64,408	127,474
Long-term debt, net of unamortized debt issuance costs and current portion	522,604	524,837
Intangible liabilities, net	12,844	13,758
Asset retirement obligations	7,689	7,628
Deferred tax liabilities, net	10,153	9,603
Other long-term liabilities	6,480	5,587
Total liabilities	671,229	771,711
Commitments and contingent liabilities (Note 10)
Redeemable noncontrolling interests	16,103	15,527
Stockholders' equity
Common stock $0.0001 par value; 988,591,250 shares authorized as of June 30, 2022, and December 31, 2021; 154,718,268 and 153,648,830 shares issued and outstanding as of June 30, 2022, and December 31, 2021, respectively	15	15
Preferred stock $0.0001 par value; 10,000,000 shares authorized, zero shares issued and outstanding as of June 30, 2022, and December 31, 2021	0	0
Additional paid-in capital	416,832	406,259
Accumulated deficit	(16,822)	(101,356)
Total stockholders' equity	400,025	304,918
Noncontrolling interests	18,695	21,093
Total equity	418,720	326,011
Total liabilities, redeemable noncontrolling interests, and stockholders' equity	$ 1,106,052	$ 1,113,249
Common stock, issued (in shares)	154,718,268	153,648,830
Common stock, outstanding (in shares)	154,718,268	153,648,830

Consolidated Balance Sheets (Pa

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Common stock, par value (in usd per share)	$ 0.0001	$ 0.0001
Common stock, authorized (in shares)	988,591,250	988,591,250
Common stock, issued (in shares)	154,718,268	153,648,830
Common stock, outstanding (in shares)	154,718,268	153,648,830
Redeemable preferred stock, par value (in usd per share)	$ 0.0001	$ 0.0001
Redeemable preferred stock, authorized (in shares)	10,000,000	10,000,000
Redeemable preferred stock, issued (in shares)	0	0
Redeemable preferred stock, outstanding (in shares)	0	0
Assets of consolidated VIEs, included in total assets above:
Current portion of restricted cash	$ 2,459	$ 2,544
Accounts receivable, net	13,158	9,218
Other current assets	5,748	6,659
Restricted cash, noncurrent portion	1,794	1,794
Property, plant and equipment, net	764,884	745,711
Intangible assets, net	19,383	16,702
Other assets	3,547	4,638
Total assets of consolidated VIEs	1,106,052	1,113,249
Liabilities of consolidated VIEs, included in total liabilities above:
Accounts payable	2,869	3,591
Current portion of long-term debt, net	15,726	21,143
Other current liabilities	4,597	3,663
Long-term debt, net of unamortized debt issuance costs and current portion	522,604	524,837
Intangible liabilities, net	12,844	13,758
Asset retirement obligations	7,689	7,628
Other long-term liabilities	6,480	5,587
Total liabilities of consolidated VIEs	671,229	771,711
Variable Interest Entity, Primary Beneficiary
Assets of consolidated VIEs, included in total assets above:
Cash and cash equivalents	8,298	7,524
Current portion of restricted cash	1,478	1,763
Accounts receivable, net	5,036	2,444
Other current assets	1,381	1,400
Restricted cash, noncurrent portion	1,437	1,122
Property, plant and equipment, net	362,679	363,991
Intangible assets, net	5,729	6,909
Other assets	630	739
Total assets of consolidated VIEs	386,668	385,892
Liabilities of consolidated VIEs, included in total liabilities above:
Accounts payable	460	419
Current portion of long-term debt, net	3,015	2,457
Other current liabilities	1,241	776
Long-term debt, net of unamortized debt issuance costs and current portion	33,536	34,022
Intangible liabilities, net	1,800	2,420
Asset retirement obligations	4,039	3,988
Other long-term liabilities	652	548
Total liabilities of consolidated VIEs	$ 44,743	$ 44,630

Condensed Consolidated Statemen

Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Previously Reported	Revision of Prior Period, Adjustment	Public and Placement Warrants	Preferred Class A	Total Stockholders' Equity (Deficit)	Total Stockholders' Equity (Deficit) Previously Reported	Total Stockholders' Equity (Deficit) Revision of Prior Period, Adjustment	Total Stockholders' Equity (Deficit) Public and Placement Warrants	Total Stockholders' Equity (Deficit) Preferred Class A	Common Stock	Common Stock Previously Reported	Common Stock Revision of Prior Period, Adjustment	Common Stock Public and Placement Warrants	Additional Paid-in Capital	Additional Paid-in Capital Previously Reported	Additional Paid-in Capital Revision of Prior Period, Adjustment	Additional Paid-in Capital Public and Placement Warrants	Additional Paid-in Capital Preferred Class A	Accumulated Deficit	Accumulated Deficit Previously Reported	Accumulated Deficit Preferred Class A	Non Controlling Interests	Non Controlling Interests Previously Reported
Beginning balance (in shares) at Dec. 31, 2020											89,999,976	1,029	89,998,947
Beginning balance at Dec. 31, 2020	$ 138,995	$ (64,752)	$ 203,747			$ 124,979	$ (78,768)	$ 203,747			$ 9	$ 1	$ 8		$ 205,772	$ 2,033	$ 203,739			$ (80,802)	$ (80,802)		$ 14,016	$ 14,016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash contributions from noncontrolling interests	439																						439
Accretion of Series A preferred stock					$ 0														$ 1,072			$ (1,072)
Stock-based compensation	78					78									78
Accrued dividends and commitment fees on Series A preferred stock					0														8,479			(8,479)
Payment of dividends and commitment fees on Series A preferred stock					(8,380)					$ (8,380)									(8,380)
Cash distributions to noncontrolling interests	(605)																						(605)
Accrued distributions to noncontrolling interests	(146)																						(146)
Net income (loss)	636					(227)														(227)			863
Ending balance (in shares) at Jun. 30, 2021											89,999,976
Ending balance at Jun. 30, 2021	131,017					116,450					$ 9				207,021					(90,580)			14,567
Beginning balance (in shares) at Mar. 31, 2021											89,999,976
Beginning balance at Mar. 31, 2021	132,356					117,598					$ 9				202,178					(84,589)			14,758
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash contributions from noncontrolling interests	439																						439
Accretion of Series A preferred stock					0														539			(539)
Stock-based compensation	41					41									41
Accrued dividends and commitment fees on Series A preferred stock					$ 0														$ 4,263			$ (4,263)
Cash distributions to noncontrolling interests	(345)																						(345)
Net income (loss)	(1,474)					(1,189)														(1,189)			(285)
Ending balance (in shares) at Jun. 30, 2021											89,999,976
Ending balance at Jun. 30, 2021	$ 131,017					116,450					$ 9				207,021					(90,580)			14,567
Beginning balance (in shares) at Dec. 31, 2021	153,648,830										153,648,830
Beginning balance at Dec. 31, 2021	$ 326,011					304,918					$ 15				406,259					(101,356)			21,093
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash contributions from noncontrolling interests	1,064																						1,064
Stock-based compensation	3,962					3,962									3,962
Cash distributions to noncontrolling interests	(666)																						(666)
Net income (loss)	81,738					84,534														84,534			(2,796)
Equity issuance costs	(712)					(712)									(712)
Conversion of convertible securities (in shares)											2,021			1,067,417
Conversion of convertible securities	$ 15			$ 7,308		15			$ 7,308						15			$ 7,308
Ending balance (in shares) at Jun. 30, 2022	154,718,268										154,718,268
Ending balance at Jun. 30, 2022	$ 418,720					400,025					$ 15				416,832					(16,822)			18,695
Beginning balance (in shares) at Mar. 31, 2022											153,648,830
Beginning balance at Mar. 31, 2022	386,306					365,945					$ 15				406,867					(40,937)			20,361
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash contributions from noncontrolling interests	1,064																						1,064
Stock-based compensation	2,657					2,657									2,657
Cash distributions to noncontrolling interests	(336)																						(336)
Net income (loss)	$ 21,721					24,115														24,115			(2,394)
Conversion of convertible securities (in shares)											2,021			1,067,417
Conversion of convertible securities				$ 7,308					$ 7,308									$ 7,308
Ending balance (in shares) at Jun. 30, 2022	154,718,268										154,718,268
Ending balance at Jun. 30, 2022	$ 418,720					$ 400,025					$ 15				$ 416,832					$ (16,822)			$ 18,695

Condensed Consolidated Statem_2

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net income (loss)	$ 81,709	$ (177)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation, amortization and accretion	13,685	8,858
Unrealized gain on interest rate swaps	(1,777)	(292)
Deferred tax expense	550	1,069
Amortization of debt discount and financing costs	1,428	1,443
Change in fair value of redeemable warrant liability	(23,117)	0
Change in fair value of alignment shares liability	(63,051)	0
Remeasurement of contingent consideration	(971)	(2,050)
Stock-based compensation	3,962	77
Other	(189)	(194)
Changes in assets and liabilities, excluding the effect of acquisitions
Accounts receivable	(3,940)	(3,836)
Other assets	2,712	(4)
Accounts payable	(722)	4,062
Interest payable	(78)	776
Other liabilities	1,668	(247)
Net cash provided by operating activities	11,869	9,485
Cash flows used for investing activities
Capital expenditures	(23,338)	(6,277)
Payments to acquire businesses, net of cash and restricted cash acquired	0	(2,126)
Payments to acquire renewable energy facilities from third parties, net of cash and restricted cash acquired	(11,572)	(4,968)
Net cash used for investing activities	(34,910)	(13,371)
Cash flows used for financing activities
Proceeds from issuance of long-term debt	0	26,391
Repayment of long-term debt	(8,120)	(16,680)
Payment of debt issuance costs	(42)	(596)
Payment of dividends and commitment fees on Series A preferred stock	0	(8,380)
Payment of deferred transaction costs	0	(2,140)
Payment of contingent consideration	(45)	(102)
Payment of equity issuance costs	(744)	0
Contributions from noncontrolling interests	2,151	439
Distributions to noncontrolling interests	(1,148)	(1,102)
Net cash used for financing activities	(7,948)	(2,170)
Net decrease in cash, cash equivalents, and restricted cash	(30,989)	(6,056)
Cash, cash equivalents, and restricted cash, beginning of period	330,321	38,206
Cash, cash equivalents, and restricted cash, end of period	299,332	32,150
Supplemental cash flow disclosure
Cash paid for interest, net of amounts capitalized	9,804	6,822
Cash paid for taxes	39	99
Non-cash investing and financing activities
Asset retirement obligations	96	223
Acquisitions of property and equipment included in other current liabilities	1,334	819
Deferred transaction costs not yet paid	0	2,810
Accrued dividends and commitment fees on Series A preferred stock	0	8,480
Accrued distributions to non-controlling interests	0	145
Construction loan conversion	(4,186)	0
Term loan conversion	4,186	0
Conversion of alignment shares into common stock	15	0
Exchange of warrants into common stock	$ 7,303	$ 0

General

General	6 Months Ended
	Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
General	General Company Overview Altus Power, Inc., a Delaware corporation (the “ Company ” or " Altus "), headquartered in Stamford, Connecticut, develops, owns, constructs and operates large-scale roof, ground and carport-based photovoltaic solar energy generation and storage systems, for the purpose of producing and selling electricity to credit worthy counterparties, including commercial and industrial, public sector and community solar customers, under long-term contracts. The Solar energy facilities are owned by the Company in project specific limited liability companies (the “ Solar Facility Subsidiaries ”). On December 9, 2021 (the " Closing Date "), CBRE Acquisition Holdings, Inc. (" CBAH "), a special purpose acquisition company, consummated the business combination pursuant to the terms of the business combination agreement entered into on July 12, 2021 (the " Business Combination Agreement "), whereby, among other things, CBAH Merger Sub I, Inc. (" First Merger Sub ") merged with and into Altus Power, Inc. (f/k/a Altus Power America, Inc.) (" Legacy Altus ") with Legacy Altus continuing as the surviving corporation, and immediately thereafter Legacy Altus merged with and into CBAH Merger Sub II, Inc. (" Second Merger Sub ") with Second Merger Sub continuing as the surviving entity and as a wholly owned subsidiary of CBAH (together with the merger with the First Merger Sub, the “ Merger ”). In connection with the closing of the Merger, CBAH changed its name to "Altus Power, Inc." and CBAH Merger Sub II (after merger with Legacy Altus) changed its name to "Altus Power, LLC." COVID-19 The spike of a novel strain of coronavirus (“ COVID-19

Significant Accounting Policies

Significant Accounting Policies	6 Months Ended
	Jun. 30, 2022
Accounting Policies [Abstract]
Significant Accounting Policies	Significant Accounting Policies Basis of Presentation and Principles of Consolidation The Company prepares its unaudited condensed consolidated financial statements in accordance with accounting principles generally accepted in the United States of America (“ U.S. GAAP ”) and regulations of the U.S. Securities and Exchange Commission (" SEC ") for interim financial reporting. The Company’s condensed consolidated financial statements include the results of wholly-owned and partially-owned subsidiaries in which the Company has a controlling interest. All intercompany balances and transactions have been eliminated in consolidation. Certain information and footnote disclosures normally included in consolidated financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. Accordingly, these unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements for the year ended December 31, 2021 filed with the Company’s 2021 annual report on Form 10-K on March 24, 2022, and the related notes which provide a more complete discussion of the Company’s accounting policies and certain other information. The information as of December 31, 2021, included in the condensed consolidated balance sheets was derived from the Company’s audited consolidated financial statements. The condensed consolidated financial statements were prepared on the same basis as the audited consolidated financial statements and reflect all adjustments, including normal recurring adjustments, which are, in the opinion of management, necessary for a fair statement of the Company’s financial position as of June 30, 2022, and the results of operations and cash flows for the three and six months ended June 30, 2022, and 2021. The results of operations for the three and six months ended June 30, 2022, are not necessarily indicative of the results that may be expected for the full year or any other future interim or annual period. Use of Estimates The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and accompanying notes. Actual results could differ materially from those estimates. In recording transactions and balances resulting from business operations, the Company uses estimates based on the best information available. Estimates are used for such items as the fair value of net assets acquired in connection with accounting for business combinations, the useful lives of the solar energy facilities, and inputs and assumptions used in the valuation of asset retirement obligations (“ AROs ”), contingent consideration, and alignment shares. Segment Information Operating segments are defined as components of a company about which separate financial information is available that is evaluated regularly by the chief operating decision maker, or decision-making group, in deciding how to allocate resources and in assessing performance. The Company’s chief operating decision makers are the co-chief executive officers. Based on the financial information presented to and reviewed by the chief operating decision makers in deciding how to allocate the resources and in assessing the performance of the Company, the Company has determined it operates as a single operating segment and has one reportable segment, which includes revenue under power purchase agreements, revenue from net metering credit agreements, solar renewable energy certificate revenue, rental income, performance-based incentives, and other revenue. The Company’s principal operations, revenue and decision-making functions are located in the United States. Cash, Cash Equivalents, and Restricted Cash Cash and cash equivalents includes all cash balances on deposit with financial institutions and readily marketable securities with original maturity dates of three months or less at the time of acquisition that are denominated in U.S. dollars. Pursuant to the budgeting process, the Company maintains certain cash and cash equivalents on hand for possible equipment replacement related costs. The Company records cash that is restricted as to withdrawal or use under the terms of certain contractual agreements as restricted cash. Restricted cash is included in current portion of restricted cash and restricted cash, noncurrent portion on the condensed consolidated balance sheets and includes cash held with financial institutions for cash collateralized letters of credit pursuant to various financing and construction agreements. The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the condensed consolidated balance sheets. Cash, cash equivalents, and restricted cash consist of the following: As of June 30, 2022 As of December 31, 2021 Cash and cash equivalents $ 295,079 $ 325,983 Current portion of restricted cash 2,459 2,544 Restricted cash, noncurrent portion 1,794 1,794 Total $ 299,332 $ 330,321 Concentration of Credit Risk The Company maintains its cash in bank deposit accounts which, at times, may exceed Federal Deposit Insurance Corporation insurance limits. The Company has not experienced any losses in such accounts and believes it is not exposed to any significant credit risk on cash balances. The Company had no customers that accounted for over 10% of total accounts receivable as of June 30, 2022, and no customers that individually accounted for more than 10% of revenue for the three and six months ended June 30, 2022. The Company had two customers that individually accounted for 16.0% and 11.7% of total accounts receivable as of December 31, 2021. The Company had one customer that individually accounted for 11.6% of total revenue for the three months ended June 30, 2021. The Company had no customers that individually accounted for more than 10% of total revenue for the six months ended June 30, 2021. Accounting Pronouncements As a public company, the Company is provided the option to adopt new or revised accounting guidance as an “emerging growth company” under the Jumpstart Our Business Startups Act of 2012 (the “ JOBS Act ”) either (1) within the same periods as those otherwise applicable to public business entities, or (2) within the same time periods as non-public business entities, including early adoption when permissible. The Company expects to elect to adopt new or revised accounting guidance within the same time period as non-public business entities, as indicated below. Recent Accounting Pronouncements Adopted In December 2019, the Financial Accounting Standards Board (" FASB ") issued Accounting Standards Update (" ASU ") No. 2019-12, Income Taxes (Topic 740), which simplifies the accounting for income taxes, primarily by eliminating certain exceptions to ASC 740. This standard is effective for fiscal periods beginning after December 15, 2020. The Company has adopted this standard as of the first quarter of 2021 and did not have a material impact on the condensed consolidated financial statements. Recent Accounting Pronouncements Not Yet Adopted In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842), which primarily changes the lessee’s accounting for operating leases by requiring recognition of lease right-of-use assets and lease liabilities. This standard is effective for annual reporting periods beginning after December 15, 2021. The Company expects to adopt this guidance in fiscal year 2022. The Company is continuing the analysis of the contractual arrangements that may qualify as leases under the new standard and expects the most significant impact will be the recognition of the right-of-use assets and lease liabilities on the consolidated balance sheets. In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments and has since released various amendments including ASU No. 2019-04 . The new standard generally applies to financial assets and requires those assets to be reported at the amount expected to be realized. The ASU is effective for fiscal years beginning after December 15, 2022, and interim periods within those fiscal years. Early adoption is permitted. The Company is currently evaluating the impact of this guidance on its consolidated financial statements.

Revenue and Accounts Receivable

Revenue and Accounts Receivable	6 Months Ended
	Jun. 30, 2022
Revenue from Contract with Customer [Abstract]
Revenue and Accounts Receivable	Revenue and Accounts Receivable Disaggregation of Revenue The following table presents the detail of revenues as recorded in the unaudited condensed consolidated statements of operations: Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Revenue under power purchase agreements $ 6,730 $ 4,653 $ 10,912 $ 7,784 Revenue from net metering credit agreements 7,822 7,155 11,722 10,465 Solar renewable energy certificate revenue 7,975 4,900 17,506 10,099 Rental income 785 539 1,429 760 Performance-based incentives 295 260 654 811 Other revenue 1,155 106 1,738 165 Total $ 24,762 $ 17,613 $ 43,961 $ 30,084 Accounts receivable The following table presents the detail of receivables as recorded in accounts receivable in the unaudited condensed consolidated balance sheets: As of June 30, 2022 As of December 31, 2021 Power purchase agreements $ 4,164 $ 1,678 Net metering credit agreements 3,154 3,322 Solar renewable energy certificates 4,785 3,789 Rental income 36 350 Performance-based incentives 496 4 Other 523 75 Total $ 13,158 $ 9,218 Payment is typically received within 30 days for invoiced revenue as part of power purchase agreements (“ PPAs ”) and net metering credit agreements (“ NMCAs ”). Receipt of payment relative to invoice date varies by customer for renewable energy certificates (" RECs "). The Company does not have any other significant contract asset or liability balances related to revenues. As of June 30, 2022, and December 31, 2021, the Company determined that the allowance for uncollectible accounts is $0.4 million and $0.4 million, respectively.
Revenue and Accounts Receivable	Revenue and Accounts Receivable Disaggregation of Revenue The following table presents the detail of revenues as recorded in the unaudited condensed consolidated statements of operations: Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Revenue under power purchase agreements $ 6,730 $ 4,653 $ 10,912 $ 7,784 Revenue from net metering credit agreements 7,822 7,155 11,722 10,465 Solar renewable energy certificate revenue 7,975 4,900 17,506 10,099 Rental income 785 539 1,429 760 Performance-based incentives 295 260 654 811 Other revenue 1,155 106 1,738 165 Total $ 24,762 $ 17,613 $ 43,961 $ 30,084 Accounts receivable The following table presents the detail of receivables as recorded in accounts receivable in the unaudited condensed consolidated balance sheets: As of June 30, 2022 As of December 31, 2021 Power purchase agreements $ 4,164 $ 1,678 Net metering credit agreements 3,154 3,322 Solar renewable energy certificates 4,785 3,789 Rental income 36 350 Performance-based incentives 496 4 Other 523 75 Total $ 13,158 $ 9,218 Payment is typically received within 30 days for invoiced revenue as part of power purchase agreements (“ PPAs ”) and net metering credit agreements (“ NMCAs ”). Receipt of payment relative to invoice date varies by customer for renewable energy certificates (" RECs "). The Company does not have any other significant contract asset or liability balances related to revenues. As of June 30, 2022, and December 31, 2021, the Company determined that the allowance for uncollectible accounts is $0.4 million and $0.4 million, respectively.

Acquisitions

Acquisitions	6 Months Ended
	Jun. 30, 2022
Business Combination and Asset Acquisition [Abstract]
Acquisitions	Acquisitions 2022 Acquisitions Stellar NJ Acquisition On April 1, 2022, the Company acquired a 1.0 MW solar energy facility located in New Jersey (the " Stellar NJ Acquisition" ) from a third party for a total purchase price of $1.3 million. The transaction was accounted for as an acquisition of assets, whereby the Company acquired $2.3 million of property, plant and equipment and assumed $0.4 million of intangible liabilities and $0.6 million of other liabilities. The intangible liability assumed is associated with an unfavorable rate power purchase agreement and has a weighted average amortization period of 15 years. Stellar HI 2 Acquisition On June 10, 2022, the Company acquired a 4.6 MW portfolio of six solar energy facilities located in Hawaii (the " Stellar HI 2 Acquisition ") from a third party for a total purchase price of $9.9 million, including $0.2 million of transaction related costs. This transaction was accounted for as an acquisition of assets, whereby the Company acquired $7.3 million of property, plant and equipment and $3.1 million of intangible assets, and assumed $0.5 million of intangible liabilities and $0.1 million of asset retirement obligations. The Company attributed intangible asset and liability values to favorable and unfavorable rate revenue contracts to sell power generated by the acquired solar energy facilities, as well as a favorable rate lease. The following table summarizes the estimated fair values and the weighted average amortization periods of the acquired intangible assets and assumed intangible liabilities as of the acquisition date: Fair Value Weighted Average Amortization Period Favorable rate revenue contracts $ 2,903 10 years Site lease acquisition 229 15 years Unfavorable rate revenue contracts (464) 14 years 2021 Acquisitions Gridley Acquisition On January 14, 2021, the Company acquired a portfolio of two solar energy facilities (the “ Gridley Acquisition ”) located in California with a combined nameplate capacity of 4.3 MW from a third party for a total purchase price of $5.0 million, including $0.1 million of transaction related costs. This transaction was accounted for as an acquisition of assets, whereby the Company acquired $5.3 million of property, plant and equipment and assumed $0.3 million of other liabilities.

Variable Interest Entity

Variable Interest Entity	6 Months Ended
	Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Variable Interest Entity	Variable Interest Entity The Company consolidates all variable interest entities (“ VIEs ”) in which it holds a variable interest and is deemed to be the primary beneficiary of the variable interest entity. Generally, a VIE is an entity with at least one of the following conditions: (a) the total equity investment at risk is insufficient to allow the entity to finance its activities without additional subordinated financial support, or (b) the holders of the equity investment at risk, as a group, lack the characteristics of having a controlling financial interest. The primary beneficiary of a VIE is required to consolidate the VIE and to disclose certain information about its significant variable interests in the VIE. The primary beneficiary of a VIE is the entity that has both 1) the power to direct the activities that most significantly impact the entity’s economic performance and 2) the obligations to absorb losses or receive benefits that could potentially be significant to the VIE. The Company participates in certain partnership arrangements that qualify as VIEs. Consolidated VIEs consist of tax equity financing arrangements and partnerships in which an investor holds a noncontrolling interest and does not have substantive kick-out or participating rights. The Company, through its subsidiaries, is the primary beneficiary of such VIEs, because as the manager, it has the power to direct the day-to-day operating activities of the entity. In addition, the Company is exposed to economics that could potentially be significant to the entity given its ownership interest, therefore, has consolidated the VIEs as of June 30, 2022, and December 31, 2021. No VIEs were deconsolidated during the six months ended June 30, 2022 and 2021. The obligations of the consolidated VIEs discussed in the following paragraphs are nonrecourse to the Company. In certain instances where the Company establishes a new tax equity structure, the Company is required to provide liquidity in accordance with the contractual agreements. The Company has no requirement to provide liquidity to purchase assets or guarantee performance of the VIEs unless further noted in the following paragraphs. The Company made certain contributions during the six months ended June 30, 2022 and 2021, as determined in the respective operating agreement. The carrying amounts and classification of the consolidated VIE assets and liabilities included in condensed consolidated balance sheets are as follows: As of June 30, 2022 As of December 31, 2021 Current assets $ 16,193 $ 13,131 Non-current assets 370,475 372,761 Total assets $ 386,668 $ 385,892 Current liabilities $ 4,716 $ 3,652 Non-current liabilities 40,027 40,978 Total liabilities $ 44,743 $ 44,630 The amounts shown in the table above exclude intercompany balances which are eliminated upon consolidation. All of the assets in the table above are restricted for settlement of the VIE obligations, and all of the liabilities in the table above can only be settled using VIE resources. The Company has not identified any VIEs during the six months ended June 30, 2022 and 2021, for which the Company determined that it is not the primary beneficiary and thus did not consolidate. The Company considered qualitative and quantitative factors in determining which VIEs are deemed significant. During each of the six months ended June 30, 2022 and the year ended December 31, 2021, the Company consolidated twenty-five VIEs. No VIEs were deemed significant as of June 30, 2022 and December 31, 2021.

Debt

Debt	6 Months Ended
	Jun. 30, 2022
Debt Disclosure [Abstract]
Debt	Debt As of June 30, 2022 As of December 31, 2021 Interest Weighted Long-term debt Amended rated term loan $ 493,465 $ 499,750 Fixed 3.51 % Construction loans — 5,593 Floating — % Term loans 16,520 12,818 Floating 3.31 % Financing lease obligations 37,643 37,601 Imputed 3.65 % Total principal due for long-term debt 547,628 555,762 Unamortized discounts and premiums (118) (176) Unamortized deferred financing costs (9,180) (9,606) Less: Current portion of long-term debt 15,726 21,143 Long-term debt, less current portion $ 522,604 $ 524,837 Amended Rated Term Loan As part of the Blackstone Capital Facility, APA Finance, LLC (“ APAF ”), a wholly owned subsidiary of the Company, entered into a $251.0 million term loan facility with Blackstone Insurance Solutions (" BIS ") through a consortium of lenders, which consists of investment grade-rated Class A and Class B notes (the " Rated Term Loan "). On August 25, 2021, APAF entered into an Amended and Restated Credit Agreement with BIS to refinance the Rated Term Loan (hereby referred to as the “ Amended Rated Term Loan ”). The Amended Rated Term Loan added an additional $135.6 million to the facility, bringing the aggregate facility to $503.0 million. The Amended Rated Term Loan has a weighted average 3.51% annual fixed rate, reduced from the previous weighted average rate of 3.70%, and matures on February 29, 2056 (“ Final Maturity Date ”). The Amended Rated Term Loan amortizes at an initial rate of 2.5% of outstanding principal per annum for a period of 8 years at which point the amortization steps up to 4% per annum until September 30, 2031 (“ Anticipated Repayment Date ”). After the Anticipated Repayment Date, the loan becomes fully-amortizing, and all available cash is used to pay down principal until the Final Maturity Date. As of June 30, 2022, the outstanding principal balance of the Rated Term Loan was $493.5 million less unamortized debt discount and loan issuance costs totaling $8.0 million. As of December 31, 2021, the outstanding principal balance of the Rated Term Loan was $500.0 million less unamortized debt discount and loan issuance costs totaling $8.4 million. As of June 30, 2022, the Company was in compliance with all covenants. As of December 31, 2021, the Company was in compliance with all covenants, except the delivery of the APAF audited consolidated financial statements, for which the Company obtained a waiver to extend the financial statement reporting deliverable due date. The Company delivered the audited financial statements on May 25, 2022, before the extended reporting deliverable due date. Construction Facilities Construction Loan to Term Loan Facility and Letters of Credit Facilities On January 10, 2020, APA Construction Finance, LLC (“ APACF ”) a wholly-owned subsidiary of the Company, entered into a credit agreement with Fifth Third Bank, National Association and Deutsche Bank AG New York Branch to fund the development and construction of future solar facilities (“ Construction Loan to Term Loan Facility ”). The Construction Loan to Term Loan Facility includes a construction loan commitment of $187.5 million and a letter of credit commitment of $12.5 million, which can be drawn until January 10, 2023. The construction loan commitment can convert to a term loan upon commercial operation of a particular solar energy facility. In addition, the Construction Loan to Term Loan Facility accrued a commitment fee at a rate equal to 0.50% per year of the daily unused amount of the commitment. During the three and six months ended June 30, 2022, the Company converted the outstanding construction loan of $5.6 million into the term loan of $4.2 million. As of June 30, 2022, the outstanding principal balances of the construction loan and term loan were zero and $16.2 million, respectively. As of December 31, 2021, the outstanding principal balances of the construction loan and term loan were $5.6 million and $12.3 million, respectively. As of June 30, 2022, and December 31, 2021, the Company had an unused borrowing capacity of $171.3 million. For the three months ended June 30, 2022, and 2021, the Company incurred interest costs associated with outstanding construction loans totaling zero and $0.1 million, respectively. For the six months ended June 30, 2022, and 2021 the Company incurred interest costs associated with outstanding construction loans totaling zero and $0.3 million, respectively. These interest costs were capitalized as part of property, plant and equipment. Also, on October 23, 2020, the Company entered into an additional letters of credit facility with Fifth Third Bank for the total capacity of $10.0 million. The Construction Loan to Term Loan Facility includes various financial and other covenants for APACF and the Company, as guarantor. As of June 30, 2022, and December 31, 2021, the Company was in compliance with all covenants. As of June 30, 2022, and December 31, 2021, the total letters of credit outstanding with Fifth Third Bank were $10.0 million with an unused capacity of zero. As of June 30, 2022, and December 31, 2021, the total letters of credit outstanding with Deutsche Bank were $0.7 million and $0.6 million, respectively, with an unused capacity of $11.8 million and $11.9 million, respectively. To the extent liabilities are incurred as a result of the activities covered by the letters of credit, such liabilities are included on the accompanying condensed consolidated balance sheets. From time to time, the Company is required to post financial assurances to satisfy contractual and other requirements generated in the normal course of business. Some of these assurances are posted to comply with federal, state or other government agencies’ statutes and regulations. The Company sometimes uses letters of credit to satisfy these requirements and these letters of credit reduce the Company’s borrowing facility capacity. Financing Lease Obligations From time to time, the Company sells equipment to third parties and enters into master lease agreements to lease the equipment back for an agreed-upon term. Due to certain forms of continuous involvement provided by the master lease agreements, sale leaseback accounting is prohibited under ASC 840. Therefore, the Company accounts for these transactions using the financing method by recognizing the sale proceeds as a financing obligation and the assets subject to the sale-leaseback remain on the balance sheet of the Company and are being depreciated. The aggregate proceeds have been recorded as long-term debt within the condensed consolidated balance sheets. As of June 30, 2022 and December 31, 2021, the Company's recorded financing obligations were $36.5 million, net of $1.1 million of deferred transaction costs. Payments of $0.6 million and zero were made under financing lease obligations for the three months ended June 30, 2022, and 2021, respectively. Payments of $0.8 million and zero were made under financing obligations for the six months ended June 30, 2022 and 2021, respectively. Interest expense, inclusive of the amortization of deferred transaction costs, for the three months ended June 30, 2022, and 2021, was $0.4 million and zero, respectively. Interest expense, inclusive of the amortization of deferred transaction costs, for the six months ended June 30, 2022 and 2021, was $0.7 million and zero, respectively. The table below shows the minimum lease payments under the financing lease obligations for the years ended: 2022 $ 1,493 2023 2,336 2024 2,340 2025 2,353 2026 2,336 Thereafter 14,993 Total $ 25,851 The difference between the outstanding financing lease obligation of $37.6 million and $25.9 million of minimum lease payments, including the residual value guarantee, is due to $13.2 million of investment tax credits claimed by the Lessor, less

Fair Value Measurements

Fair Value Measurements	6 Months Ended
	Jun. 30, 2022
Fair Value Disclosures [Abstract]
Fair Value Measurements	Fair Value Measurements The Company measures certain assets and liabilities at fair value, which is defined as the price that would be received from the sale of an asset or paid to transfer a liability (i.e., an exit price) on the measurement date in an orderly transaction between market participants in the principal or most advantageous market for the asset or liability. Our fair value measurements use the following hierarchy, which prioritizes valuation inputs based on the extent to which the inputs are observable in the market. • Level 1 - Valuation techniques in which all significant inputs are unadjusted quoted prices from active markets for assets or liabilities that are identical to the assets or liabilities being measured. • Level 2 - Valuation techniques in which significant inputs include quoted prices from active markets for assets or liabilities that are similar to the assets or liabilities being measured and/or quoted prices for assets or liabilities that are identical or similar to the assets or liabilities being measured from markets that are not active. Also, model-derived valuations in which all significant inputs are observable in active markets are Level 2 valuation techniques. • Level 3 - Valuation techniques in which one or more significant inputs are unobservable. Such inputs reflect our estimate of assumptions that market participants would use to price an asset or liability. The Company holds various financial instruments that are not required to be recorded at fair value. For cash, restricted cash, accounts receivable, accounts payable, and short-term debt, the carrying amounts approximate fair value due to the short maturity of these instruments. Redeemable Warrant Liability CBAH sold 10,062,500 warrants as part of the SAIL SM (Stakeholder Aligned Initial Listing) securities in the CBAH initial public offering (which traded separately on the NYSE under the symbol “CBAH WS” prior to the Merger, and following the Merger trade under the symbol “AMPS WS”) (such warrants, the " Redeemable Warrants "). The Redeemable Warrants are exercisable for an aggregate of 10,062,500 shares of the Company's Class A common stock, par value $0.0001 per share (the " Class A common stock "), at a purchase price of $11.00 per share. CBAH also issued 7,366,667 warrants to CBRE Acquisition Sponsor, LLC (the “ Sponsor ”) in a private placement simultaneously with the closing of the CBAH IPO and 2,000,000 warrants to the Sponsor in full settlement of a second amended and restated promissory note with the Sponsor (such warrants, the " Private Placement Warrants "). The Private Placement Warrants are identical to the Redeemable Warrants except that, so long as they are held by the Sponsor, officers or directors or their respective permitted transferees, (i) they will not be redeemable by the Company (except in certain circumstances), (ii) they may be exercised by the holders on a cashless basis, and (iii) they (including the shares of our Class A common stock issuable upon exercise of these warrants) are entitled to registration rights. If the Private Placement Warrants are held by holders other than the Sponsor, officers or directors or their respective permitted transferees, the Private Placement Warrants will become redeemable by the Company in all redemption scenarios and exercisable by the holders on the same basis as the Redeemable Warrants. The Private Placement Warrants will be exercisable for an aggregate of 9,366,667 shares of CBAH Class A common stock at a purchase price of $11.00 per share. Redeemable warrants, including Private Placement Warrants, are not considered to be “indexed to the Company’s own stock.” This provision precludes the Company from classifying the Redeemable warrants, including Private Placement Warrants, in stockholders’ equity. As the Redeemable warrants, including Private Placement Warrants, meet the definition of a derivative, the Company recorded these warrants as liabilities on the condensed consolidated balance sheet at fair value, with subsequent changes in their respective fair values recognized in the consolidated statements of operations at each reporting date. On May 31, 2022, and June 15, 2022, the Company entered into separate, privately negotiated warrant exchange agreements (the " Exchange Agreements ") with a limited number of holders of the Company's outstanding Redeemable Warrants. Pursuant to the Exchange Agreements, the Company agreed to issue an aggregate of 1,067,417 shares of Class A common stock to the holders of Redeemable Warrants in exchange for the surrender and cancellation of an aggregate of 4,447,555 Redeemable Warrants. The issuance by the Company of the shares of Common Stock in exchange for the surrender and cancellation of the Redeemable Warrants was made in reliance on the exemption from registration in Section 3(a)(9) of the Securities Act. Immediately prior to the exchange, the Redeemable Warrants were remeasured to fair value based on the trading price of the exchanged shares of common stock, resulting in a gain on fair value remeasurement of $4.1 million within operating income in the condensed consolidated statements of operations for the six months ended June 30, 2022, and a redeemable warrant liability of $7.3 million, which was then reclassified to additional paid-in capital in the condensed consolidated balance sheet as of June 30, 2022. As the remaining Redeemable Warrants (other than our Private Placement Warrants) continue to trade separately on the NYSE following the Merger, the Company determines the fair value of the Redeemable Warrants based on the quoted trading price of those warrants. As the inputs are observable and reflect quoted trading price, the overall fair value measurement of the Redeemable Warrants, excluding Private Placement Warrants, is classified as Level 1. The Private Placement Warrants have the same redemption and make-whole provisions as the Redeemable Warrants. Therefore, the fair value of the Private Placement Warrants is equal to the Redeemable Warrants. Private Placement Warrants are considered Level 2 as they are measured at fair value using observable inputs for similar assets in an active market. For the six months ended June 30, 2022 Units $ Redeemable warrants, beginning balance 19,429,167 $ 49,933 Warrants exercised (10) — Exchange of warrants into common stock (4,447,555) (7,339) Forfeiture of fractional warrants (13) — Fair value remeasurement — (23,117) Redeemable warrants, ending balance 14,981,589 $ 19,476 Alignment Shares Liability The Company has 1,207,500 Alignment shares outstanding, all of which are held by the Sponsor, certain former officers of CBAH (such officers, together with the Sponsor, the “ Sponsor Parties ”) and former CBAH directors. The Alignment shares will automatically convert into shares of Class A common stock based upon the Total Return (as defined in Exhibit 4.4 to our 2021 Annual Report on Form 10-K) on the Class A common stock as of the relevant measurement date over each of the seven fiscal years following the Merger. Upon the consummation of the Merger, Alignment shares have no continuing service requirement and do not create an unconditional obligation requiring the Company to redeem the instruments by transferring assets. In addition, the shares convert to a variable number of Class A common stock depending on the trading price of the Class A common stock and dividends paid/payable to the holders of Class A common stock. Therefore, the shares do not represent an obligation or a conditional obligation to issue a variable number of shares with a monetary value based on any of the criteria in ASC 480, Distinguishing Liabilities From Equity. The Company determined that the Alignment shares meet the definition of a derivative because they contain (i) an underlying (Class A common stock price), (ii) a notional amount (a fixed number of Class B common stock), (iii) no or minimal initial net investment (the Sponsor paid a de minimis amount which is less than the estimated fair value of the shares), and (iv) net settleable through a conversion of the Alignment shares into Class A shares. As such, the Company concluded that the Alignment shares meet the definition of a derivative, which will be presented at fair value each reporting period, with changes in fair value recorded through earnings. The Company estimates the fair value of outstanding Alignment shares using a Monte Carlo simulation valuation model utilizing a distribution of potential outcomes based on a set of underlying assumptions such as stock price, volatility, and risk-free interest rate. As volatility of 69% and risk-free interest rate of 3.0% are not observable inputs, the overall fair value measurement of Alignment shares is classified as Level 3. Unobservable inputs can be volatile and a change in those inputs might result in a significantly higher or lower fair value measurement of Alignment shares. For the six months ended June 30, 2022 Shares $ Beginning balance 1,408,750 $ 127,474 Alignment shares converted (201,250) (15) Alignment shares forfeited — — Fair value remeasurement — (63,051) Ending balance 1,207,500 $ 64,408 Contingent Consideration Solar Acquisition In connection with the acquisition of a portfolio of sixteen solar energy facilities with a combined nameplate capacity of 61.5 MW on December 22, 2020 (the " Solar Acquisition "), contingent consideration of up to an aggregate of $10.5 million may be payable upon achieving certain market power rates and actual power volumes generated by the acquired solar energy facilities. The Company estimated the fair value of the contingent consideration for future earnout payments using a Monte Carlo simulation model. Significant assumptions used in the measurement include the estimated volumes of power generation of acquired solar energy facilities during the 18-36-month period since the acquisition date, market power rates during the 36-month period, and the risk-adjusted discount rate associated with the business. As the inputs are not observable, the overall fair value measurement of the contingent consideration is classified as Level 3. Liability for the contingent consideration is included in other long-term liabilities in the condensed consolidated balance sheets at th e estimated fair value of $1.8 million and $2.3 million as of June 30, 2022 and December 31, 2021, respectively. For the three and six months ended June 30, 2022, the Company recorded $1.1 million and $0.5 million gain on fair value remeasurement of contingent consideration within operating income in the condensed consolidated statements of operations, respectively. For the three and six months ended June 30, 2021, the Company recorded $0.8 million and $2.1 million gain on fair value remeasurement of contingent consideration within operating income in the condensed consolidated statements of operations, respectively. Gain was recorded due to changes in significant assumptions used in the measurement , including the actual versus estimated volumes of power generation of acquired solar energy facilities and market power rates. Other Gain on fair value remeasurement of other contingent consideration of $0.5 million was recorded within operating income in the condensed consolidated statements of operations for the six months ended June 30, 2022. No gain or loss on fair value remeasurement of contingent consideration was recorded for the six months ended June 30, 2021.

Equity

Equity	6 Months Ended
	Jun. 30, 2022
Share-Based Payment Arrangement [Abstract]
Equity	Equity As of June 30, 2022, the Company had authorized and issued 988,591,250 and 154,718,268 shares of Class A common stock, respectively. As of December 31, 2021, the Company had authorized and issued 988,591,250 and 153,648,830 shares of Class A common stock, respectively. Class A common stock entitles the holder to one vote on all matters submitte d to a vote of the Company’s stockholders. Common stockholders are entitled to receive dividends, as may be declared by the Company’s board of directors. As of June 30, 2022, and December 31, 2021, no common stock dividends have been declared. As of June 30, 2022, and December 31, 2021, the Company had 1,207,500 and 1,408,750 authorized and issued shares of Class B common stock, respectively, also referred to as Alignment Shares. Refer to Note 7, "Fair Value Measurements," for further details.

Redeemable Noncontrolling Inter

Redeemable Noncontrolling Interests	6 Months Ended
	Jun. 30, 2022
Noncontrolling Interest [Abstract]
Redeemable Noncontrolling Interests	Redeemable Noncontrolling Interests The changes in the components of redeemable noncontrolling interests are presented in the table below: For the six months ended June 30, 2022 2021 Redeemable noncontrolling interest, beginning balance $ 15,527 $ 18,311 Cash distributions (482) (496) Accrued distributions to noncontrolling interests — (104) Cash contributions 1,087 — Net loss attributable to redeemable noncontrolling interest (29) (813) Redeemable noncontrolling interest, ending balance $ 16,103 $ 16,898

Commitment and Contingencies

Commitment and Contingencies	6 Months Ended
	Jun. 30, 2022
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies Legal The Company is a party to a number of claims and governmental proceedings which are ordinary, routine matters incidental to its business. In addition, in the ordinary course of business the Company periodically has disputes with vendors, customers, and other counterparties. The outcomes of any current, pending matters are not expected to have, either individually or in the aggregate, a material adverse effect on the Company’s financial position or results of operations. Performance Guarantee Obligations The Company guarantees certain specified minimum solar energy production output under the Company’s PPA agreements, generally over a term of 10, 15 or 25 years. The solar energy systems are monitored to ensure these outputs are achieved. The Company evaluates if any amounts are due to customers based upon not meeting the guaranteed solar energy production outputs at each reporting period end. As of June 30, 2022, and December 31, 2021, the guaranteed minimum solar energy production has been met and the Company has recorded no performance guarantee obligations. Leases The Company has operating leases for land and buildings. For the three months ended June 30, 2022, and 2021, the Company recorded site lease expenses under these agreements totaling $1.1 million and $0.9 million, respectively. For the six months ended June 30, 2022, and 2021, the Company recorded site lease expenses under these agreements totaling $2.4 million and $1.8 million, respectively. Site lease expenses are recorded in cost of operations in the condensed consolidated statements of operations. As of June 30, 2022, and December 31, 2021, $2.8 million and $2.1 million, respectively, have been recorded as other long-term liabilities on the condensed consolidated balance sheets relating to the difference between actual lease payments and straight-line lease expense.

Related Party Transactions

Related Party Transactions	6 Months Ended
	Jun. 30, 2022
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions There were no amounts due to or from related parties as of June 30, 2022, and December 31, 2021. Additionally, in the normal course of business, the Company conducts transactions with affiliates, such as: Blackstone Subsidiaries as Amended Rated Term Loan Lender The Company incurs interest expense on the Amended Rated Term Loan. For the three months ended June 30, 2022, and 2021, the total related party interest expense associated with the Amended Rated Term Loan was $4.4 million and $4.0 million, respectively, and is recorded as interest expense in the accompanying condensed consolidated statements of operations. For the six months ended June 30, 2022, and 2021, the total related party interest expense associated with the Amended Rated Term Loan was $8.7 million and $7.3 million, respectively, and is recorded as interest expense in the accompanying condensed consolidated statements of operations. As of June 30, 2022, and December 31, 2021, interest payable of $4.4 million and $4.5 million, respectively, due under the Amended Rated Term Loan was recorded as interest payable on the accompanying condensed consolidated balance sheets. Master Services Agreement with CBRE On June 13, 2022, the Company signed a Master Services Agreement (" MSA ") with CBRE Group, Inc. (" CBRE "), a related party, under which CBRE will assist the Company in developing clean energy projects. As of June 30, 2022, no amounts have been paid by the Company under the MSA.

Earnings per Share

Earnings per Share	6 Months Ended
	Jun. 30, 2022
Earnings Per Share [Abstract]
Earnings per Share	Earnings per Share The calculation of basic and diluted earnings per share for the three and six months ended June 30, 2022 and 2021 was as follows (in thousands, except share and per share amounts): For the three months ended June 30, For the six months ended June 30, 2022 2021 2022 2021 Net income (loss) attributable to Altus Power, Inc. 24,115 (1,189) 84,534 (227) Income attributable to participating securities (190) — (667) — Net income (loss) attributable to common stockholders - basic and diluted 23,925 (1,189) 83,867 (227) Class A Common Stock Weighted average shares of common stock outstanding - basic (1) 153,310,068 88,741,089 152,988,078 88,741,089 Dilutive restricted stock 644,775 — 645,019 — Dilutive RSUs — — 138,895 — Weighted average shares of common stock outstanding - diluted (2) 153,954,843 88,741,089 153,771,992 88,741,089 Net income (loss) attributable to common stockholders per share - basic $ 0.16 $ (0.01) $ 0.55 $ — Net income (loss) attributable to common stockholders per share - diluted $ 0.16 $ (0.01) $ 0.55 $ — (1) Excludes 669,101 shares of Company Class A common stock provided to holders of Altus Restricted Shares for the three and six months ended June 30, 2022, and 1,259,887 shares of Company Class A common stock provided to holders of Altus Restricted Shares for the three and six months ended June 30, 2021. (2) Excludes 5,614,922 Redeemable Warrants and Private Placement Warrants for the three and six months ended June 30, 2022. The Redeemable Warrants and Private Placement Warrants are exercisable at $11.00 per share. As the warrants are deemed anti-dilutive, they are excluded from the calculation of earnings per share.

Stock-based Compensation

Stock-based Compensation	6 Months Ended
	Jun. 30, 2022
Share-Based Payment Arrangement [Abstract]
Stock-based Compensation	Stock-Based Compensation The Company recognized $2.7 million and approximately zero of stock-based compensation expense for the three months ended June 30, 2022, and 2021, respectively. The Company recognized $4.0 million and $0.1 million of stock-based compensation expense for the six months ended June 30, 2022, and 2021, respectively. As of June 30, 2022, and December 31, 2021, the Company had $37.1 million and $0.2 million of unrecognized share-based compensation expense related to unvested restricted units, respectively, which the Company expects to recognize over a weighted-average period of approximately five years. Legacy Incentive Plans Prior to the Merger, Altus maintained the APAM Holdings LLC Restricted Units Plan, adopted in 2015 (the “ APAM Plan ”) and APAM Holdings LLC adopted the 2021 Profits Interest Incentive Plan (the “ Holdings Plan ”, and together with the APAM Plan, the “ Legacy Incentive Plans ”), which provided for the grant of restricted units that were intended to qualify as profits interests to employees, officers, directors and consultants. In connection with the Merger, vested restricted units previously granted under the Legacy Incentive Plans were exchanged for shares of Class A Common Stock, and unvested Altus Restricted Shares under each of the Legacy Incentive Plans were exchanged for restricted Class A Common Stock with the same vesting conditions. As of June 30, 2022, and December 31, 2021, 126,590 and 446,128 shares of Class A Common Stock were restricted under the APAM Plan, respectively. As of June 30, 2022, and December 31, 2021, 542,511 and 813,759 shares of Class A Common Stock were restricted under the Holdings Plan, respectively. No further awards will be made under the Legacy Incentive Plans. The fair value of the granted units was determined using the Black-Scholes Option Pricing model and relied on assumptions and inputs provided by the Company. All option models utilize the same assumptions with regard to (i) current valuation, (ii) volatility, (iii) risk-free interest rate, and (iv) time to maturity. The models, however, use different assumptions with regard to the strike price which vary by award. Omnibus Incentive Plan On July 12, 2021, the Company entered into the Management Equity Incentive Letter with each of Mr. Felton and Mr. Norell pursuant to which, on February 15, 2022, the Compensation Committee granted to Mr. Felton and Mr. Norell, together with other senior executives, including Anthony Savino, Chief Construction Officer, and Dustin Weber, Chief Financial Officer, restricted stock units (“ RSUs ”) under the Omnibus Incentive Plan (the " Incentive Plan ") that are subject to time-based and, for the named executive officers and certain other executives, eighty percent (80%) of such RSUs also further subject to performance-based vesting, with respect to an aggregate five percent (5%) of the Company’s Class A common stock on a fully diluted basis, excluding the then-outstanding shares of the Company’s Class B common stock or any shares of the Company’s Class A common stock into which such shares of the Company’s Class B common stock are or may be convertible. Subject to continued employment on each applicable vesting date, the time-based RSUs generally vest 33 1/3% on each of the third, fourth and fifth anniversaries of the Closing, and the performance-based RSUs vest with respect to 33 1/3% of the award upon the achievement of the above time-based requirement and the achievement of a hurdle representing a 25% annual compound annual growth rate measured based on an initial value of $10.00 per share. As of June 30, 2022, and December 31, 2021 , there were 23,047,325 and 15,364,883 shares of the Company's Class A common stock authorized for issuance under the Incentive Plan, respectively. The number of shares authorized for issuance under the Incentive Plan will increase on January 1 of each year from 2022 to 2031 by the lesser of (i) 5% of the number of shares outstanding as of the close of business on the immediately preceding December 31 and (ii) the number of shares determined by the Company's board of directors. For the three months ended June 30, 2022, the Company granted 15,000 RSUs and recognized $2.7 million of stock compensation expense in relation to the incentive plan. For the six months ended June 30, 2022, the Company granted 7,918,789 RSUs and recognized $4.0 million of stock-based compensation expense in relation to the Incentive Plan. Employee Stock Purchase Plan On December 9, 2021, we adopted the 2021 Employee Stock Purchase Plan (" ESPP "), which provides a means by which eligible employees may be given an opportunity to purchase shares of the Company’s Class A common stock. As of June 30, 2022, and December 31, 2021 , there were 3,072,976 and 1,536,488 shares of the Company's Class A common stock authorized for issuance under the ESPP, respectively. The number of shares authorized for issuance under the ESPP will increase on January 1 of each year from 2022 to 2031 by the lesser of (i) 1% of the number of shares outstanding as of the close of business on the immediately preceding December 31 and (ii) the number of shares determined by the Company's board of directors. No shares of the Company’s Class A common stock were issued and no stock-based compensation expense was recognized in relation to the ESPP for the three and six months ended June 30, 2022.

Income Taxes

Income Taxes	6 Months Ended
	Jun. 30, 2022
Income Tax Disclosure [Abstract]
Income Taxes	Income Taxes The income tax provision for interim periods is determined using an estimate of the Company’s annual effective tax rate as adjusted for discrete items arising in that quarter. For the three months ended June 30, 2022, and 2021, the Company had income tax expense of $0.7 million and income tax expense of $2.1 million, respectively. For the six months ended June 30, 2022, and 2021, the Company had income tax expense

Subsequent Events

Subsequent Events	6 Months Ended
	Jun. 30, 2022
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsThe Company has evaluated subsequent events from June 30, 2022, through August 15, 2022, which is the date the unaudited condensed consolidated financial statements were available to be issued. There are no subsequent events requiring recording or disclosure in the condensed consolidated financial statements.

Significant Accounting Polici_2

Significant Accounting Policies (Policies)	6 Months Ended
	Jun. 30, 2022
Accounting Policies [Abstract]
Basis of Presentation and Principles of Consolidation	Basis of Presentation and Principles of Consolidation The Company prepares its unaudited condensed consolidated financial statements in accordance with accounting principles generally accepted in the United States of America (“ U.S. GAAP ”) and regulations of the U.S. Securities and Exchange Commission (" SEC ") for interim financial reporting. The Company’s condensed consolidated financial statements include the results of wholly-owned and partially-owned subsidiaries in which the Company has a controlling interest. All intercompany balances and transactions have been eliminated in consolidation. Certain information and footnote disclosures normally included in consolidated financial statements prepared in accordance with U.S. GAAP have been condensed or omitted pursuant to such rules and regulations. Accordingly, these unaudited condensed consolidated financial statements should be read in conjunction with the audited consolidated financial statements for the year ended December 31, 2021 filed with the Company’s 2021 annual report on Form 10-K on March 24, 2022, and the related notes which provide a more complete discussion of the Company’s accounting policies and certain other information. The information as of December 31, 2021, included in the condensed consolidated balance sheets was derived from the Company’s audited consolidated financial statements. The condensed consolidated financial statements were prepared on the same basis as the audited consolidated financial statements and reflect all adjustments, including normal recurring adjustments, which are, in the opinion of management, necessary for a fair statement of the Company’s financial position as of June 30, 2022, and the results of operations and cash flows for the three and six months ended June 30, 2022, and 2021. The results of
Use of Estimates	Use of Estimates The preparation of condensed consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and accompanying notes. Actual results could differ materially from those estimates. In recording transactions and balances resulting from business operations, the Company uses estimates based on the best information available. Estimates are used for such items as the fair value of net assets acquired in connection with accounting for business combinations, the useful lives of the solar energy facilities, and inputs and assumptions used in the valuation of asset retirement obligations (“ AROs ”), contingent consideration, and alignment shares.
Segment Information	Segment Information Operating segments are defined as components of a company about which separate financial information is available that is evaluated regularly by the chief operating decision maker, or decision-making group, in deciding how to allocate resources and in assessing performance. The Company’s chief operating decision makers are the co-chief executive officers. Based on the financial information presented to and reviewed by the chief operating decision makers in deciding how to allocate the resources and in assessing the performance of the Company, the Company has determined it operates as a single operating segment and has one reportable segment, which includes revenue under power purchase agreements, revenue from net metering credit agreements, solar renewable energy certificate revenue, rental income, performance-based incentives, and other revenue. The Company’s principal operations, revenue and decision-making functions are located in the United States.
Cash, Cash Equivalents, and Restricted Cash	Cash, Cash Equivalents, and Restricted Cash Cash and cash equivalents includes all cash balances on deposit with financial institutions and readily marketable securities with original maturity dates of three months or less at the time of acquisition that are denominated in U.S. dollars. Pursuant to the budgeting process, the Company maintains certain cash and cash equivalents on hand for possible equipment replacement related costs.
Concentration of Credit Risk	Concentration of Credit Risk The Company maintains its cash in bank deposit accounts which, at times, may exceed Federal Deposit Insurance Corporation insurance limits. The Company has not experienced any losses in such accounts and believes it is not exposed to any significant credit risk on cash balances. The Company had no customers that accounted for over 10% of total accounts receivable as of June 30, 2022, and no customers that individually accounted for more than 10% of revenue for the three and six months ended June 30, 2022.
Accounting Pronouncements	Accounting Pronouncements As a public company, the Company is provided the option to adopt new or revised accounting guidance as an “emerging growth company” under the Jumpstart Our Business Startups Act of 2012 (the “ JOBS Act ”) either (1) within the same periods as those otherwise applicable to public business entities, or (2) within the same time periods as non-public business entities, including early adoption when permissible. The Company expects to elect to adopt new or revised accounting guidance within the same time period as non-public business entities, as indicated below. Recent Accounting Pronouncements Adopted In December 2019, the Financial Accounting Standards Board (" FASB ") issued Accounting Standards Update (" ASU ") No. 2019-12, Income Taxes (Topic 740), which simplifies the accounting for income taxes, primarily by eliminating certain exceptions to ASC 740. This standard is effective for fiscal periods beginning after December 15, 2020. The Company has adopted this standard as of the first quarter of 2021 and did not have a material impact on the condensed consolidated financial statements. Recent Accounting Pronouncements Not Yet Adopted In February 2016, the FASB issued ASU No. 2016-02, Leases (Topic 842), which primarily changes the lessee’s accounting for operating leases by requiring recognition of lease right-of-use assets and lease liabilities. This standard is effective for annual reporting periods beginning after December 15, 2021. The Company expects to adopt this guidance in fiscal year 2022. The Company is continuing the analysis of the contractual arrangements that may qualify as leases under the new standard and expects the most significant impact will be the recognition of the right-of-use assets and lease liabilities on the consolidated balance sheets. In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments and has since released various amendments including ASU No. 2019-04 . The new standard generally applies to financial assets and requires those assets to be reported at the amount expected to be realized. The ASU is effective for fiscal years beginning after December 15, 2022, and interim periods within those fiscal years. Early adoption is permitted. The Company is currently evaluating the impact of this guidance on its consolidated financial statements.
Fair Value Measurements	The Company measures certain assets and liabilities at fair value, which is defined as the price that would be received from the sale of an asset or paid to transfer a liability (i.e., an exit price) on the measurement date in an orderly transaction between market participants in the principal or most advantageous market for the asset or liability. Our fair value measurements use the following hierarchy, which prioritizes valuation inputs based on the extent to which the inputs are observable in the market. • Level 1 - Valuation techniques in which all significant inputs are unadjusted quoted prices from active markets for assets or liabilities that are identical to the assets or liabilities being measured. • Level 2 - Valuation techniques in which significant inputs include quoted prices from active markets for assets or liabilities that are similar to the assets or liabilities being measured and/or quoted prices for assets or liabilities that are identical or similar to the assets or liabilities being measured from markets that are not active. Also, model-derived valuations in which all significant inputs are observable in active markets are Level 2 valuation techniques. • Level 3 - Valuation techniques in which one or more significant inputs are unobservable. Such inputs reflect our estimate of assumptions that market participants would use to price an asset or liability. The Company holds various financial instruments that are not required to be recorded at fair value. For cash, restricted cash, accounts receivable, accounts payable, and short-term debt, the carrying amounts approximate fair value due to the short maturity of these instruments.

Significant Accounting Polici_3

Significant Accounting Policies (Tables)	6 Months Ended
	Jun. 30, 2022
Accounting Policies [Abstract]
Schedule of Cash and Cash Equivalents	The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the condensed consolidated balance sheets. Cash, cash equivalents, and restricted cash consist of the following: As of June 30, 2022 As of December 31, 2021 Cash and cash equivalents $ 295,079 $ 325,983 Current portion of restricted cash 2,459 2,544 Restricted cash, noncurrent portion 1,794 1,794 Total $ 299,332 $ 330,321
Schedule of Restricted Cash and Cash Equivalents	The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the condensed consolidated balance sheets. Cash, cash equivalents, and restricted cash consist of the following: As of June 30, 2022 As of December 31, 2021 Cash and cash equivalents $ 295,079 $ 325,983 Current portion of restricted cash 2,459 2,544 Restricted cash, noncurrent portion 1,794 1,794 Total $ 299,332 $ 330,321

Revenue and Accounts Receivab_2

Revenue and Accounts Receivable (Tables)	6 Months Ended
	Jun. 30, 2022
Revenue from Contract with Customer [Abstract]
Schedule of Disaggregation of Revenue	The following table presents the detail of revenues as recorded in the unaudited condensed consolidated statements of operations: Three Months Ended June 30, Six Months Ended June 30, 2022 2021 2022 2021 Revenue under power purchase agreements $ 6,730 $ 4,653 $ 10,912 $ 7,784 Revenue from net metering credit agreements 7,822 7,155 11,722 10,465 Solar renewable energy certificate revenue 7,975 4,900 17,506 10,099 Rental income 785 539 1,429 760 Performance-based incentives 295 260 654 811 Other revenue 1,155 106 1,738 165 Total $ 24,762 $ 17,613 $ 43,961 $ 30,084
Schedule of Accounts Receivable	The following table presents the detail of receivables as recorded in accounts receivable in the unaudited condensed consolidated balance sheets: As of June 30, 2022 As of December 31, 2021 Power purchase agreements $ 4,164 $ 1,678 Net metering credit agreements 3,154 3,322 Solar renewable energy certificates 4,785 3,789 Rental income 36 350 Performance-based incentives 496 4 Other 523 75 Total $ 13,158 $ 9,218

Acquisitions (Tables)

Acquisitions (Tables)	6 Months Ended
	Jun. 30, 2022
Business Combination and Asset Acquisition [Abstract]
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination	The following table summarizes the estimated fair values and the weighted average amortization periods of the acquired intangible assets and assumed intangible liabilities as of the acquisition date: Fair Value Weighted Average Amortization Period Favorable rate revenue contracts $ 2,903 10 years Site lease acquisition 229 15 years Unfavorable rate revenue contracts (464) 14 years

Variable Interest Entity (Table

Variable Interest Entity (Tables)	6 Months Ended
	Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Schedule of Consolidated VIE Assets and Liabilities	The carrying amounts and classification of the consolidated VIE assets and liabilities included in condensed consolidated balance sheets are as follows: As of June 30, 2022 As of December 31, 2021 Current assets $ 16,193 $ 13,131 Non-current assets 370,475 372,761 Total assets $ 386,668 $ 385,892 Current liabilities $ 4,716 $ 3,652 Non-current liabilities 40,027 40,978 Total liabilities $ 44,743 $ 44,630

Debt (Tables)

Debt (Tables)	6 Months Ended
	Jun. 30, 2022
Debt Disclosure [Abstract]
Schedule of Debt	As of June 30, 2022 As of December 31, 2021 Interest Weighted Long-term debt Amended rated term loan $ 493,465 $ 499,750 Fixed 3.51 % Construction loans — 5,593 Floating — % Term loans 16,520 12,818 Floating 3.31 % Financing lease obligations 37,643 37,601 Imputed 3.65 % Total principal due for long-term debt 547,628 555,762 Unamortized discounts and premiums (118) (176) Unamortized deferred financing costs (9,180) (9,606) Less: Current portion of long-term debt 15,726 21,143 Long-term debt, less current portion $ 522,604 $ 524,837
Schedule of Maturities of Long-term Debt	The table below shows the minimum lease payments under the financing lease obligations for the years ended: 2022 $ 1,493 2023 2,336 2024 2,340 2025 2,353 2026 2,336 Thereafter 14,993 Total $ 25,851

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	6 Months Ended
	Jun. 30, 2022
Fair Value Disclosures [Abstract]
Schedule of Redeemable Warrants	For the six months ended June 30, 2022 Units $ Redeemable warrants, beginning balance 19,429,167 $ 49,933 Warrants exercised (10) — Exchange of warrants into common stock (4,447,555) (7,339) Forfeiture of fractional warrants (13) — Fair value remeasurement — (23,117) Redeemable warrants, ending balance 14,981,589 $ 19,476
Schedule of Alignment Shares	For the six months ended June 30, 2022 Shares $ Beginning balance 1,408,750 $ 127,474 Alignment shares converted (201,250) (15) Alignment shares forfeited — — Fair value remeasurement — (63,051) Ending balance 1,207,500 $ 64,408

Redeemable Noncontrolling Int_2

Redeemable Noncontrolling Interests (Tables)	6 Months Ended
	Jun. 30, 2022
Noncontrolling Interest [Abstract]
Schedule of Redeemable Noncontrolling Interest	The changes in the components of redeemable noncontrolling interests are presented in the table below: For the six months ended June 30, 2022 2021 Redeemable noncontrolling interest, beginning balance $ 15,527 $ 18,311 Cash distributions (482) (496) Accrued distributions to noncontrolling interests — (104) Cash contributions 1,087 — Net loss attributable to redeemable noncontrolling interest (29) (813) Redeemable noncontrolling interest, ending balance $ 16,103 $ 16,898

Earnings per Share (Tables)

Earnings per Share (Tables)	6 Months Ended
	Jun. 30, 2022
Earnings Per Share [Abstract]
Schedule of Earnings Per Share, Basic and Diluted	The calculation of basic and diluted earnings per share for the three and six months ended June 30, 2022 and 2021 was as follows (in thousands, except share and per share amounts): For the three months ended June 30, For the six months ended June 30, 2022 2021 2022 2021 Net income (loss) attributable to Altus Power, Inc. 24,115 (1,189) 84,534 (227) Income attributable to participating securities (190) — (667) — Net income (loss) attributable to common stockholders - basic and diluted 23,925 (1,189) 83,867 (227) Class A Common Stock Weighted average shares of common stock outstanding - basic (1) 153,310,068 88,741,089 152,988,078 88,741,089 Dilutive restricted stock 644,775 — 645,019 — Dilutive RSUs — — 138,895 — Weighted average shares of common stock outstanding - diluted (2) 153,954,843 88,741,089 153,771,992 88,741,089 Net income (loss) attributable to common stockholders per share - basic $ 0.16 $ (0.01) $ 0.55 $ — Net income (loss) attributable to common stockholders per share - diluted $ 0.16 $ (0.01) $ 0.55 $ — (1) Excludes 669,101 shares of Company Class A common stock provided to holders of Altus Restricted Shares for the three and six months ended June 30, 2022, and 1,259,887 shares of Company Class A common stock provided to holders of Altus Restricted Shares for the three and six months ended June 30, 2021. (2) Excludes 5,614,922 Redeemable Warrants and Private Placement Warrants for the three and six months ended June 30, 2022. The Redeemable Warrants and Private Placement Warrants are exercisable at $11.00 per share. As the warrants are deemed anti-dilutive, they are excluded from the calculation of earnings per share.

Significant Accounting Polici_4

Significant Accounting Policies - Reconciliation of Cash and Restricted Cash (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Cash and cash equivalents	$ 295,079	$ 325,983
Current portion of restricted cash	2,459	2,544
Restricted cash, noncurrent portion	1,794	1,794
Total	$ 299,332	$ 330,321	$ 32,150	$ 38,206

Significant Accounting Polici_5

Significant Accounting Policies - Additional Information (Details) - Accounts Receivable - Customer Concentration Risk	3 Months Ended	12 Months Ended
	Jun. 30, 2021	Dec. 31, 2021
Customer One
Concentration Risk [Line Items]
Concentration risk	11.60%	16%
Customer Two
Concentration Risk [Line Items]
Concentration risk		11.70%

Revenue and Accounts Receivab_3

Revenue and Accounts Receivable - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Operating revenues, net	$ 24,762	$ 17,613	$ 43,961	$ 30,084
Revenue under power purchase agreements
Disaggregation of Revenue [Line Items]
Operating revenues, net	6,730	4,653	10,912	7,784
Revenue from net metering credit agreements
Disaggregation of Revenue [Line Items]
Operating revenues, net	7,822	7,155	11,722	10,465
Solar renewable energy certificate revenue
Disaggregation of Revenue [Line Items]
Operating revenues, net	7,975	4,900	17,506	10,099
Rental income
Disaggregation of Revenue [Line Items]
Operating revenues, net	785	539	1,429	760
Performance-based incentives
Disaggregation of Revenue [Line Items]
Operating revenues, net	295	260	654	811
Other revenue
Disaggregation of Revenue [Line Items]
Operating revenues, net	$ 1,155	$ 106	$ 1,738	$ 165

Revenue and Accounts Receivab_4

Revenue and Accounts Receivable - Accounts Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	$ 13,158	$ 9,218
Revenue under power purchase agreements
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	4,164	1,678
Revenue from net metering credit agreements
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	3,154	3,322
Solar renewable energy certificate revenue
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	4,785	3,789
Rental income
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	36	350
Performance-based incentives
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	496	4
Other revenue
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net	$ 523	$ 75

Revenue and Accounts Receivab_5

Revenue and Accounts Receivable - Additional Information (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Allowance for uncollectible accounts	$ 0.4	$ 0.4

Acquisitions - Additional Infor

Acquisitions - Additional Information (Details) $ in Millions	Jun. 10, 2022 USD ($) facility MW	Apr. 01, 2022 USD ($) MW	Jan. 14, 2021 USD ($) MW
Stellar NJ Acquisition
Asset Acquisition [Line Items]
Nameplate capacity | MW		1
Consideration transferred		$ 1.3
Property, plant and equipment		2.3
Intangible liabilities		0.4
Other liabilities		$ 0.6
Weighted average amortization period		15 years
Stellar HI 2 Acquisition
Asset Acquisition [Line Items]
Nameplate capacity | MW	4.6
Consideration transferred	$ 9.9
Property, plant and equipment	7.3
Intangible liabilities	$ 0.5
Number of assets acquired | facility	6
Transaction related costs	$ 0.2
Intangible assets acquired	3.1
Asset retirement obligations	$ 0.1
Gridley Acquisition
Asset Acquisition [Line Items]
Nameplate capacity | MW			4.3
Consideration transferred			$ 5
Property, plant and equipment			5.3
Other liabilities			0.3
Transaction related costs			$ 0.1

Acquisitions - Estimated Fair V

Acquisitions - Estimated Fair Value and Weighted Average Amortization Period of Acquired Assets and Assumed Intangible Liabilities (Details) - Stellar HI 2 Acquisition - USD ($) $ in Thousands	Jun. 10, 2022	Apr. 01, 2022
Asset Acquisition [Line Items]
Fair Value, Favorable rate revenue	$ 3,100
Favorable rate revenue contracts
Asset Acquisition [Line Items]
Fair Value, Favorable rate revenue		$ 2,903
Weighted Average Amortization Period		10 years
Site lease acquisition
Asset Acquisition [Line Items]
Fair Value, Favorable rate revenue		$ 229
Weighted Average Amortization Period		15 years
Unfavorable rate revenue contracts
Asset Acquisition [Line Items]
Fair Value, Favorable rate revenue		$ (464)
Weighted Average Amortization Period		14 years

Variable Interest Entity - Cons

Variable Interest Entity - Consolidated VIE Assets And Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Variable Interest Entity [Line Items]
Current assets	$ 316,444	$ 344,404
Total assets	1,106,052	1,113,249
Current liabilities	27,575	32,891
Total liabilities	671,229	771,711
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Current assets	16,193	13,131
Non-current assets	370,475	372,761
Total assets	386,668	385,892
Current liabilities	4,716	3,652
Non-current liabilities	40,027	40,978
Total liabilities	$ 44,743	$ 44,630

Variable Interest Entity - Addi

Variable Interest Entity - Additional Information (Details) - variableInterestEntity	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Zildjian Solar V, LLC
Variable Interest Entity [Line Items]
Consolidated VIEs	25	25

Debt - Long-term Debt (Details)

Debt - Long-term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Line of Credit Facility [Line Items]
Long-term debt	$ 547,628	$ 555,762
Unamortized discounts and premiums	(118)	(176)
Unamortized deferred financing costs	(9,180)	(9,606)
Current portion of long-term debt, net	15,726	21,143
Long-term debt, net of unamortized debt issuance costs and current portion	522,604	524,837
Financing lease obligations
Line of Credit Facility [Line Items]
Long-term debt	$ 37,643	37,601
Weighted average interest rate	3.65%
Amended rated term loan
Line of Credit Facility [Line Items]
Long-term debt	$ 493,465	499,750
Weighted average interest rate	3.51%
Construction loans
Line of Credit Facility [Line Items]
Long-term debt	$ 0	5,593
Weighted average interest rate	0%
Term loans
Line of Credit Facility [Line Items]
Long-term debt	$ 16,520	$ 12,818
Weighted average interest rate	3.31%

Debt - Additional Information (

Debt - Additional Information (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Aug. 25, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Aug. 24, 2021	Oct. 23, 2020	Jan. 10, 2020
Line of Credit Facility [Line Items]
Assumed financing lease liability		$ 36,500		$ 36,500
Sale-leaseback transactions net of transaction costs				1,100
Payment of financing obligation		600	$ 0	800	$ 0
Interest expense		400		700	0
Debt principal amount		547,628		547,628		$ 555,762
Minimum lease payments		25,851		25,851
Investment tax credit				13,200
Implied interest on financing lease obligation		1,000		1,000
Difference between minimum lease payments and fair value of financing lease obligations acquired		100		100
Stellar HI Acquisition
Line of Credit Facility [Line Items]
Difference between minimum lease payments and fair value of finance lease obligations		2,600		2,600
Fifth Third Bank
Line of Credit Facility [Line Items]
Outstanding principal balance		10,000		10,000		10,000
Remaining borrowing capacity		0		0		0
Deutsche Bank
Line of Credit Facility [Line Items]
Outstanding principal balance		700		700		600
Remaining borrowing capacity		$ 11,800		$ 11,800		11,900
Financing lease obligations
Line of Credit Facility [Line Items]
Weighted average interest rate		3.65%		3.65%
Debt principal amount		$ 37,643		$ 37,643		37,601
Related Term Loan | Blackstone Credit Facility
Line of Credit Facility [Line Items]
Face amount		251,000		251,000
Amended Rated Term Loan
Line of Credit Facility [Line Items]
Outstanding principal balance		493,500		493,500		500,000
Debt issuance costs		8,000		$ 8,000		8,400
Amended Rated Term Loan | Blackstone Credit Facility
Line of Credit Facility [Line Items]
Increase in borrowing capacity	$ 135,600
Maximum borrowing capacity	$ 503,000
Weighted average interest rate	3.51%						3.70%
Initial amortization rate	2.50%
Debt instrument term	8 years
Amortization step up rate	4%
Construction Loan To Term Loan Facility
Line of Credit Facility [Line Items]
Commitment fee percentage				0.50%
Remaining borrowing capacity		171,300		$ 171,300
Construction Loan To Term Loan Facility | Fifth Third Bank
Line of Credit Facility [Line Items]
Additional borrowing capacity								$ 10,000
Construction Loan To Term Loan Facility | Construction loans
Line of Credit Facility [Line Items]
Face amount									$ 187,500
Debt conversion, original debt, amount		5,600		5,600
Long-term debt		0		0		5,600
Interest costs incurred		0	$ 100	0	$ 300
Construction Loan To Term Loan Facility | Term loans
Line of Credit Facility [Line Items]
Debt conversion, converted instrument, amount		4,200		4,200
Long-term debt		$ 16,200		$ 16,200		$ 12,300
Construction Loan To Term Loan Facility | Letter of Credit
Line of Credit Facility [Line Items]
Face amount									$ 12,500

Debt - Minimum Lease Payments U

Debt - Minimum Lease Payments Under Failed Sale-Leasebacks (Details) $ in Thousands	Jun. 30, 2022 USD ($)
Debt Disclosure [Abstract]
2022	$ 1,493
2023	2,336
2024	2,340
2025	2,353
2026	2,336
Thereafter	14,993
Total	$ 25,851

Fair Value Measurements - Addit

Fair Value Measurements - Additional Information (Details) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended
	Jun. 15, 2022 shares	Dec. 22, 2020 USD ($)	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 12, 2020 facility MW
Fair Value, Option, Quantitative Disclosures [Line Items]
Common stock, par value (in usd per share) | $ / shares			$ 0.0001		$ 0.0001		$ 0.0001
Gain in fair value change of warrant | $					$ 4,100
Exchange of warrants into common stock | $					$ 7,339
Alignment shares outstanding (in shares)			1,207,500		1,207,500		1,408,750
Volatility rate					69%
Risk-free interest rate					3%
Gain on fair value remeasurement of contingent consideration, net | $			$ (1,140)	$ (775)	$ (971)	$ (2,050)
Solar
Fair Value, Option, Quantitative Disclosures [Line Items]
Nameplate capacity | MW								61.5
Number of assets acquired | facility								16
Earnout cash payments | $		$ 10,500
Liability for contingent consideration | $			1,800		1,800		$ 2,300
Gain on fair value remeasurement of contingent consideration, net | $			$ 1,100	$ 800	500	2,100
Amount of change of other contingent consideration, amount | $					$ 500	$ 0
Redeemable Warrants
Fair Value, Option, Quantitative Disclosures [Line Items]
Warrants surrendered (in shares)	4,447,555
Class A Common Stock
Fair Value, Option, Quantitative Disclosures [Line Items]
Common stock, par value (in usd per share) | $ / shares			$ 0.0001		$ 0.0001
IPO
Fair Value, Option, Quantitative Disclosures [Line Items]
Redeemable warrants issued (in shares)			10,062,500		10,062,500
IPO | Private Placement Warrants
Fair Value, Option, Quantitative Disclosures [Line Items]
Redeemable warrants issued (in shares)			7,366,667		7,366,667
Exercise price of warrants (in usd per share) | $ / shares			$ 11		$ 11
Exercisable warrants (in shares)			9,366,667		9,366,667
IPO | Private Placement Warrants | Amended And Restated Promissory Note
Fair Value, Option, Quantitative Disclosures [Line Items]
Redeemable warrants issued (in shares)			2,000,000		2,000,000
IPO | Class A Common Stock
Fair Value, Option, Quantitative Disclosures [Line Items]
Redeemable warrants issued (in shares)			10,062,500		10,062,500
IPO | Class A Common Stock | Private Placement Warrants
Fair Value, Option, Quantitative Disclosures [Line Items]
Exercise price of warrants (in usd per share) | $ / shares			$ 11		$ 11
Warrant | Class A Common Stock
Fair Value, Option, Quantitative Disclosures [Line Items]
Number of shares issued in transaction (in shares)	1,067,417

Fair Value Measurements - Warra

Fair Value Measurements - Warrants (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Units
Redeemable warrants, beginning balance (in shares)			19,429,167
Warrants exercised (in shares)			(10)
Exchange of warrants into common stock (in shares)			(4,447,555)
Forfeiture of fractional warrants (in shares)			(13)
Fair value remeasurement (in shares)			0
Redeemable warrants, ending balance (in shares)	14,981,589		14,981,589
$
Redeemable warrants, beginning balance			$ 49,933
Warrants exercised			0
Exchange of warrants into common stock			(7,339)
Forfeiture of fractional warrants			0
Fair value remeasurement	$ (4,659)	$ 0	(23,117)	$ 0
Redeemable warrants, ending balance	$ 19,476		$ 19,476

Fair Value Measurements - Align

Fair Value Measurements - Alignment Shares (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Shares
Beginning balance (in shares)			1,408,750
Alignment shares converted (in shares)			(201,250)
Alignment shares forfeited (in shares)			0
Fair value remeasurement (in shares)			0
Ending balance (in shares)	1,207,500		1,207,500
$
Beginning balance			$ 127,474
Alignment shares converted			(15)
Alignment shares forfeited			0
Fair value remeasurement	$ (16,705)	$ 0	(63,051)	$ 0
Ending balance	$ 64,408		$ 64,408

Equity (Details)

Equity (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Common stock, authorized (in shares)	988,591,250	988,591,250
Common stock, issued (in shares)	154,718,268	153,648,830
Common stock dividends	$ 0	$ 0
Alignment shares outstanding (in shares)	1,207,500	1,408,750
Class A Common Stock
Class of Stock [Line Items]
Common stock, authorized (in shares)	988,591,250	988,591,250
Common stock, issued (in shares)	154,718,268	153,648,830
Common Class B
Class of Stock [Line Items]
Alignment shares outstanding (in shares)	1,207,500	1,408,750

Redeemable Noncontrolling Int_3

Redeemable Noncontrolling Interests (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Noncontrolling Interest [Abstract]
Redeemable noncontrolling interest, beginning balance	$ 15,527	$ 18,311
Cash distributions	(482)	(496)
Accrued distributions to noncontrolling interests	0	(104)
Cash contributions	1,087	0
Net loss attributable to redeemable noncontrolling interest	(29)	(813)
Redeemable noncontrolling interest, ending balance	$ 16,103	$ 16,898

Commitment and Contingencies -

Commitment and Contingencies - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Guarantor Obligations [Line Items]
Guarantor term			15 years
Site lease expense	$ 1,100,000	$ 900,000	$ 2,400,000	$ 1,800,000
Other long-term liabilities	6,480,000		6,480,000		$ 5,587,000
Lease Agreements
Guarantor Obligations [Line Items]
Other long-term liabilities	2,800,000		2,800,000		2,100,000
Performance Guarantee
Guarantor Obligations [Line Items]
Performance guarantee obligations	$ 0		$ 0		$ 0
Minimum
Guarantor Obligations [Line Items]
Guarantor term			10 years
Maximum
Guarantor Obligations [Line Items]
Guarantor term			25 years

Related Party Transactions (Det

Related Party Transactions (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Related Party Transaction [Line Items]
Due to related parties	$ 0		$ 0		$ 0
Due from related parties	0		0		0
Interest payable	4,383,000		4,383,000		$ 4,494,000
Master Services Agreement | CBRE Group, Inc
Related Party Transaction [Line Items]
Payments of related party			0
Amended rated term loan
Related Party Transaction [Line Items]
Related party interest expense	4,400,000	$ 4,000,000	8,700,000	$ 7,300,000
Interest payable	$ 4,400,000	$ 4,500,000	$ 4,400,000	$ 4,500,000

Earnings per Share (Details)

Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to Altus Power, Inc.	$ 24,115	$ (1,189)	$ 84,534	$ (227)
Income attributable to participating securities	(190)	0	(667)	0
Net income (loss) attributable to common stockholders - basic	23,925	(1,189)	83,867	(227)
Net income (loss) attributable to common stockholders - diluted	$ 23,925	$ (1,189)	$ 83,867	$ (227)
Weighted-average common shares outstanding – basic (in shares)	153,310,068	88,741,089	152,988,078	88,741,089
Weighted-average common shares outstanding – diluted (in shares)	153,954,843	88,741,089	153,771,992	88,741,089
Net income (loss) attributable to common stockholders per share - basic (in usd per share)	$ 0.16	$ (0.01)	$ 0.55	$ 0
Net income (loss) attributable to common stockholders per share - diluted (in usd per share)	$ 0.16	$ (0.01)	$ 0.55	$ 0
Warrant
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities excluded from of earnings per share (in shares)	5,614,922		5,614,922
Exercise price of warrants (in usd per share)	$ 11		$ 11
Class A Common Stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Antidilutive securities excluded from of earnings per share (in shares)			669,101	1,259,887
Restricted Stock Units (RSUs)
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Dilutive shares (in shares)	644,775	0	645,019	0
Restricted Stock
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Dilutive shares (in shares)	0	0	138,895	0

Stock-based Compensation (Detai

Stock-based Compensation (Details) - USD ($)		3 Months Ended		6 Months Ended
	Jul. 12, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021	Dec. 09, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 2,700,000	$ 0	$ 4,000,000	$ 100,000
Common stock, issued (in shares)		154,718,268		154,718,268		153,648,830
Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, issued (in shares)		154,718,268		154,718,268		153,648,830
Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent subject to hurdle achievement	25%
Share price hurdle to satisfy performance condition (in usd per share)	$ 10
Percent of increase in authorized shares		5%		5%
Omnibus Incentive Plan | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of stock subject to conversion	5%
Common stock authorized for issuance (in shares)		23,047,325		23,047,325		15,364,883
Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of increase in authorized shares		1%		1%
Employee Stock Purchase Plan | Class A Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized for issuance (in shares)		3,072,976		3,072,976		1,536,488
Stock-based compensation		$ 0		$ 0
Common stock, issued (in shares)							0
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized stock-based compensation expense		$ 37,100,000		$ 37,100,000		$ 200,000
Weighted average period of recognition				5 years
Restricted Stock Units (RSUs) | APAMH Restricted Unit Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock reserved for future issuance (in shares)		126,590		126,590		446,128
Restricted Stock Units (RSUs) | Holdings Restricted Units Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock reserved for future issuance (in shares)		542,511		542,511		813,759
Restricted Stock Units (RSUs) | Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted in period (in shares)		15,000		7,918,789
Stock-based compensation		$ 2,700,000		$ 4,000,000
Performance-Based Restricted Stock Units (RSUs) | Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of stock subject to conversion	80%
Percent of award vesting rights	33.33%
Time-Based Restricted Stock Units (RSUs) | Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of award vesting rights	33.33%

Income Taxes (Details)

Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Income tax expense	$ 707	$ 2,092	$ 584	$ 1,055