v3.25.4

Related Party Transactions - Narrative (Details) - USD ($) |  |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
Sep. 29, 2025 | Aug. 14, 2025 | Jul. 10, 2025 | Sep. 23, 2023 | Nov. 08, 2022 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Jan. 31, 2024
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues | [1] |  |  |  |  |  | $ 2,023,994,000 | $ 1,473,856,000 | $ 1,333,470,000 |
Equity in loss of unconsolidated affiliates | [2] |  |  |  |  |  | 40,421,000 | 0 | 0 |
Payments to acquire equity interest | [3] |  |  |  |  |  | 36,491,000 | 0 | 0 |
Investments in unconsolidated affiliates | [4] |  |  |  |  |  | 10,037,000 | 0 |  |
Long-term debt |  |  |  |  |  |  | 2,617,879,000 | 1,128,792,000 |  |
Product |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues | [1] |  |  |  |  |  | 1,531,281,000 | 1,085,153,000 | 975,245,000 |
Installation |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues | [1] |  |  |  |  |  | 204,068,000 | 122,318,000 | 92,796,000 |
SK Ecoplant |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Shares sold in offering (in shares) |  | 3,912,000 | 2,608 | 10,000,000 |  |  |  |  |  |
Percentage of ownership after transaction |  |  |  | 5.80% |  |  |  |  |  |
Fund JVs | Related Party |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Accounts receivable |  |  |  |  |  |  | 151,900,000 |  |  |
Fund JVs | Product | Related Party |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  | 809,800,000 |  |  |
Fund JVs | Installation | Related Party |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  | 52,300,000 |  |  |
Fund JVs |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Equity in loss of unconsolidated affiliates |  |  |  |  |  |  | 40,400,000 |  |  |
Payments to acquire equity interest |  |  |  |  |  |  | 36,500,000 |  |  |
Equity method investment, unfunded investment commitment |  |  |  |  |  |  | 58,200,000 |  |  |
Investments in unconsolidated affiliates |  |  |  |  |  |  | 10,000,000.0 |  |  |
SK Ecoplant | Korean Joint Venture |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Interest owns percentage |  |  |  |  | 60.00% |  |  |  |  |
Investments in unconsolidated affiliates |  |  |  |  |  |  |  |  |  | $ 4,000,000
Related Party |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  | 892,035,000 | 338,602,000 | 487,240,000 |
Equity in loss of unconsolidated affiliates |  |  |  |  |  |  | (40,421,000) | 0 | 0 |
Investments in unconsolidated affiliates |  |  |  |  |  |  | 10,037,000 | 0 |  |
Long-term debt |  |  |  |  |  |  | 0 | 4,057,000 |  |
Related Party | SK Ecoplant |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  | 0 | 40,200,000 | $ 37,300,000 |
Accounts receivable |  |  |  |  |  |  |  | 2,500,000 |  |
Long-term debt |  |  |  |  |  |  | $ 0 | $ 4,100,000 |  |
Series B Preferred Stock | Related Party |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Shares converted (in shares) |  |  |  |  | 13,491,701 |  |  |  |  |
Shares sold in offering (in shares) |  |  |  |  |  | 13,491,701 |  |  |  |
Series B Preferred Stock | Related Party | SK Ecoplant |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of ownership after transaction |  |  |  |  |  | 51.67% |  |  |  |
Series B Preferred Stock | Related Party | Blooming Green Energy |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of ownership after transaction |  |  |  |  |  | 48.33% |  |  |  |
Class A Common Stock | SK Ecoplant |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Shares converted (in shares) |  |  |  |  |  | 10,000,000 |  |  |  |
Class A Common Stock | SK Ecoplant |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Interest owns percentage |  |  |  |  |  |  | 2.50% | 10.30% |  |
Class A Common Stock | Related Party |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Shares sold in offering (in shares) |  |  |  |  |  |  | 23,491,701 |  |  |
Series A Redeemable Convertible Preferred Stock |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Preferred stock, par or stated (in dollars per share) |  |  |  |  |  | $ 0.0001 |  |  |  |
Series A Redeemable Convertible Preferred Stock | Related Party |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |
Shares converted (in shares) |  |  |  |  |  | 10,000,000 |  |  |  |
Shares sold in offering (in shares) |  |  |  |  |  | 10,000,000 |  |  |  |
[1] | Including related party revenue of $892.0 million, $338.6 million and $487.2 million for the years ended December 31, 2025, 2024 and 2023, respectively.
[2] | Represent related party equity in loss of the Fund JVs (see Note 7—Investments in Unconsolidated Affiliates in this Annual Report on Form 10-K).
[3] | Represent related party investments in unconsolidated affiliates (see Note 7—Investments in Unconsolidated Affiliates in this Annual Report on Form 10-K).
[4] | Represent related party investments in Fund JVs (see Note 7—Investments in Unconsolidated Affiliates in this Annual Report on Form 10-K).

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