SUNation Energy, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Revenue Recognition (Schedule of Disaggregation of Revenues) (Details)

Revenue Recognition (Schedule of Disaggregation of Revenues) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 71,905,527	$ 56,861,753
SUNation NY [Member]
Disaggregation of Revenue [Line Items]
Revenue	49,600,311	39,733,362
SUNation NY [Member] \| Performance Obligations Satisfied at a Point in Time [Member]
Disaggregation of Revenue [Line Items]
Revenue	42,705,388	33,032,893
SUNation NY [Member] \| Performance Obligations Satisfied Over Time [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,894,923	6,700,469
SUNation NY [Member] \| Residential Contracts [Member]
Disaggregation of Revenue [Line Items]
Revenue	40,215,497	30,715,255
SUNation NY [Member] \| Commercial Contracts [Member]
Disaggregation of Revenue [Line Items]
Revenue	6,894,923	6,700,469
SUNation NY [Member] \| Service Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	2,489,891	2,317,638
HEC [Member]
Disaggregation of Revenue [Line Items]
Revenue	22,305,216	17,128,391
HEC [Member] \| Performance Obligations Satisfied at a Point in Time [Member]
Disaggregation of Revenue [Line Items]
Revenue	22,115,522	16,699,132
HEC [Member] \| Performance Obligations Satisfied Over Time [Member]
Disaggregation of Revenue [Line Items]
Revenue	189,694	429,259
HEC [Member] \| Residential Contracts [Member]
Disaggregation of Revenue [Line Items]
Revenue	20,993,980	15,984,618
HEC [Member] \| Commercial Contracts [Member]
Disaggregation of Revenue [Line Items]
Revenue	189,694	429,259
HEC [Member] \| Service Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenue	$ 1,121,542	$ 714,514

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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