Accounting policies (Tables)

6 Months Ended

Jun. 30, 2026

Accounting policies

Schedule of Disaggregation of revenue

The following table presents the Company’s revenue disaggregated by revenue source.

	Three Months Ended June 30,				Six Months Ended June 30,
	2026		2025		2026		2025
Retail revenue	$	8,660,947	$	8,638,026	$	17,238,005	$	18,049,368
Bulk revenue		9,934,060		8,274,816		18,678,829		16,686,532
Services revenue		11,585,573		11,448,202		22,836,917		21,526,470
Manufacturing revenue		2,689,782		5,230,035		4,090,311		11,044,094
Total revenue	$	32,870,362	$	33,591,079	$	62,844,062	$	67,306,464

Services revenue consists of the following:

	Three Months Ended June 30,				Six Months Ended June 30,
	2026		2025		2026		2025
Construction revenue	$	5,338,043	$	2,825,935	$	7,439,180	$	5,044,167
Operations and maintenance revenue		6,044,002		8,255,408		14,932,460		15,980,704
Design and consulting revenue		203,528		366,859		465,277		501,599
Total services revenue	$	11,585,573	$	11,448,202	$	22,836,917	$	21,526,470

Schedule of services revenue recognized from the transfer of goods or services to customers over time and when invoiced

	Three Months Ended June 30,				Six Months Ended June 30,
	2026		2025		2026		2025
Revenue recognized over time	$	5,373,750	$	3,104,731	$	7,583,913	$	5,284,992
Revenue recognized when invoiced		6,211,823		8,343,471		15,253,004		16,241,478
Total services revenue	$	11,585,573	$	11,448,202	$	22,836,917	$	21,526,470

Summary of revenue recognized and amounts billed on contracts in progress

Revenue recognized and amounts billed on contracts in progress are summarized as follows:

	June 30,		December 31,
	2026		2025
Revenue recognized to date on contracts in progress	$	117,595,070	$	127,237,229
Amounts billed to date on contracts in progress		(128,609,583)		(138,121,977)
Retainage		1,818,170		2,646,929
Net contract liability	$	(9,196,343)	$	(8,237,819)

Summary of net balances of billings reflected in the accompanying consolidated balance sheet

The above net balances are reflected in the accompanying condensed consolidated balance sheets as follows:

	June 30,		December 31,
	2026		2025
Contract assets	$	3,210,683	$	3,290,815
Contract liabilities		(12,407,026)		(11,528,634)
Net contract liability	$	(9,196,343)	$	(8,237,819)