v3.25.1
Property, Plant and Equipment, net
3 Months Ended
Mar. 31, 2025
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment, net Property, Plant and Equipment, net
Property, plant and equipment at March 31, 2025 and December 31, 2024 consisted of the following:
Estimated Useful
Life (in Years)
March 31, 2025December 31, 2024
Energy systems
10 - 15 years
$2,810,232 $2,810,232 
Machinery and equipment
5 - 7 years
1,606,447 1,598,538 
Furniture and fixtures
5 years
239,402 224,868 
Computer software
3 - 5 years
192,865 192,865 
Leasehold improvements*1,016,316 906,739 
5,865,262 5,733,242 
Less - accumulated depreciation and amortization(4,090,974)(3,995,206)
Property, plant and equipment, net$1,774,288 $1,738,036 
* 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, 2025 and 2024 was $95,768 and $94,838, respectively.