| Schedule of Supplemental Balance Sheets Detail |
| | | | | | | | | | | | | | | | (amounts in thousands) | | June 30,
2026 | | December 31,
2025 | | Prepaid expenses and other current assets: | | | | | | Prepaid expenses | | $ | 13,058 | | | $ | 3,918 | | | Tax refund receivable | | 765 | | | 813 | | | Project acquisition deposits | | 1,083 | | | — | | | Investments, current | | 332 | | | 325 | | | Other | | 11 | | | 11 | | | Total | | $ | 15,249 | | | $ | 5,067 | | | | | | | | Other assets: | | | | | Power generation equipment reservation deposit (See Note 20) | | $ | 10,000 | | | $ | — | | | Deposit for long-term supply agreement | | 2,850 | | | — | | | Other | | 303 | | | 883 | | | Total | | $ | 13,153 | | | $ | 883 | |
| | | | | | | | | | | | | | | | (amounts in thousands) | | June 30,
2026 | | December 31,
2025 | | Accrued expenses: | | | | | | Professional fees | | $ | 4,097 | | | $ | 1,487 | | | Accrued project costs | | 11,991 | | | 49,889 | | | Employee costs | | 5,914 | | | 12,321 | | | Insurance premium financings | | — | | | 434 | | | Taxes payable | | 908 | | | 4,572 | | | Warranty liabilities | | 1,013 | | | 241 | | | Accrued interest | | 3,899 | | | 1,445 | | | Other | | 2 | | | — | | | Total | | $ | 27,824 | | | $ | 70,389 | | | | | | | | Other current liabilities: | | | | | | Refundable customer deposits | | $ | 1,132 | | | $ | — | | | Operating leases | | 515 | | | 511 | | | Finance leases | | 36 | | | 41 | | | Total | | $ | 1,683 | | | $ | 552 | | | | | | | | Other long-term liabilities: | | | | | | Operating leases | | $ | 1,351 | | | $ | 1,501 | | | Finance leases | | 52 | | | 75 | | | Deferred SOSA acquisition payment | | 933 | | | 891 | | | Derivative liability - Asset Vault | | 458 | | | 458 | | | Unearned lease revenue - tolling arrangements | | 371 | | | 200 | | | Asset retirement obligation | | 1,087 | | | 1,035 | | | Warranty liabilities | | 1,017 | | | 226 | | | Total | | $ | 5,269 | | | $ | 4,386 | |
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