Quarterly report [Sections 13 or 15(d)]

Property, Plant and Equipment, net

Property, Plant and Equipment, net

3 Months Ended

Mar. 31, 2026

Property, Plant and Equipment [Abstract]

Property, plant and equipment at March 31, 2026 and December 31, 2025 consisted of the following:


	Estimated Useful Life (in Years)	March 31, 2026		December 31, 2025
Energy systems	10 - 15 years	$	2,504,679	$	2,488,929
Machinery and equipment	5 - 7 years	1,618,204		1,631,139
Furniture and fixtures	5 years	278,911		270,837
Computer software	3 - 5 years	192,865		192,865
Leasehold improvements	*	1,179,688		1,166,708
		5,774,347		5,750,478
Less - accumulated depreciation and amortization		(4,216,223)		(4,141,157)
Property, plant and equipment, net		$	1,558,124	$	1,609,321

* Lesser of estimated useful life of asset or lease term

Depreciation and amortization expense on property and equipment for the three months ended March 31, 2026 and 2025 was $94,970 and $95,768, respectively.