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Revenue Recognition - Schedule of information regarding disaggregated revenue based on revenue by service (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Deferred Revenue Arrangement [Line Items]
Total revenue	$ 1,598,627	$ 1,918,218	$ 2,844,081	$ 3,500,154
Services - engineering and others
Deferred Revenue Arrangement [Line Items]
Total revenue	372,749	1,111,863	747,843	1,478,363
Grid services
Deferred Revenue Arrangement [Line Items]
Total revenue	8,127	153,636	91,421	308,574
Grants
Deferred Revenue Arrangement [Line Items]
Total revenue	270,190	108,885	349,800	323,722
Products
Deferred Revenue Arrangement [Line Items]
Total revenue	$ 947,561	$ 543,834	1,655,017	$ 1,389,495
Engineering Services, Management Fees
Deferred Revenue Arrangement [Line Items]
Total revenue			$ 177,332

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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