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Revenue Recognition (Tables) | 9 Months Ended
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Sep. 30, 2025
Revenue Recognition [Abstract] |
Schedule of Disaggregation of Revenues | The following table disaggregates revenue based on type:
| Revenue by Type
| Three Months Ended September 30
| SUNation NY |  | HEC
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024
Residential contracts | $ | 9,919,664 |  | $ | 6,522,508 |  | $ | 5,737,702 |  | $ | 3,612,274
Commercial contracts |  | 2,228,443 |  |  | 3,618,023 |  |  | — |  |  | 322,053
Service revenue |  | 866,844 |  |  | 499,364 |  |  | 240,983 |  |  | 144,164
| $ | 13,014,951 |  | $ | 10,639,895 |  | $ | 5,978,685 |  | $ | 4,078,491
| Revenue by Type
| Nine Months Ended September 30
| SUNation NY |  | HEC
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024
Residential contracts | $ | 25,832,477 |  | $ | 23,138,960 |  | $ | 11,203,996 |  | $ | 10,506,104
Commercial contracts |  | 4,766,323 |  |  | 5,107,418 |  |  | 139,319 |  |  | 308,910
Service revenue |  | 1,781,554 |  |  | 1,878,134 |  |  | 970,859 |  |  | 547,477
| $ | 32,380,354 |  | $ | 30,124,512 |  | $ | 12,314,174 |  | $ | 11,362,491
The following table disaggregates revenue based on the timing of satisfaction of the performance obligations:
| Three Months Ended September 30
| SUNation NY |  | HEC
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024
Performance obligations satisfied at a point in time | $ | 10,786,508 |  | $ | 7,021,872 |  | $ | 5,978,685 |  | $ | 3,756,438
Performance obligations satisfied over time |  | 2,228,443 |  |  | 3,618,023 |  |  | — |  |  | 322,053
| $ | 13,014,951 |  | $ | 10,639,895 |  | $ | 5,978,685 |  | $ | 4,078,491
| Nine Months Ended September 30
| SUNation NY |  | HEC
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024
Performance obligations satisfied at a point in time | $ | 27,614,031 |  | $ | 25,017,094 |  | $ | 12,174,855 |  | $ | 11,053,581
Performance obligations satisfied over time |  | 4,766,323 |  |  | 5,107,418 |  |  | 139,319 |  |  | 308,910
| $ | 32,380,354 |  | $ | 30,124,512 |  | $ | 12,314,174 |  | $ | 11,362,491

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479806/606-10-50-5 + Details
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