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v3.26.1

Related Party Transactions (Details) - USD ($) $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2025
Related Party | Total Energies S.E. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Proceeds from related party |  | $ 0.0 | $ 0.0 |
Related Party | SAFE S.p.A. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Payable to related parties |  | 1.4 |  | $ 0.5
Related Party | Business Expenses Reimbursement | Total Energies S.E. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party expense |  | 0.2 | 0.2 |
Related Party | Business Expenses Reimbursement | SAFE S.p.A. |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party expense |  | 0.8 | 0.4 |
Related Party | Business Expenses Reimbursement | TotalEnergies JV and bpJV |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party expense |  | 0.0 | 0.0 |
Receivables from related party |  | 0.2 |  | 0.3
Related Party | Management Fee for Services | TotalEnergies JV and bpJV |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Proceeds from related party |  | 1.0 | 0.8 |
Receivables from related party |  | 2.7 |  | 1.7
Related Party | Management Fee for Services & Business Expenses Reimbursement | TotalEnergies JV and bpJV |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Proceeds from related party |  | 0.1 | 0.6 |
Related Party | Sharing of Environmental Credits | TotalEnergies JV and bpJV |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Related party expense |  | 0.9 | 1.0 |
Payable to related parties |  | 0.5 |  | 0.5
Related Party | Guaranty Agreement | TotalEnergies JV and bpJV |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Tax credit loss | $ 38.3 |  |  |
Fee received | $ 0.7 |  |  |
Equity Method Investees | Rimere |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Payable to related parties |  | 0.0 |  | 0.0
Receivables from related party |  | $ 0.0 |  | $ 0.0
Equity Method Investees | Loan Commitment | Rimere |  |  |  |
Related Party Transaction [Line Items] |  |  |  |
Proceeds from related party |  |  | 0.2 |
Amount provided for funding in certain equity method investee |  |  | $ 1.5 |

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