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  2. Gemma Power Systems, LLC

Gemma Power Systems, LLC

Gemma Power Systems, a wholly owned subsidiary of Argan Inc. (NYSE: AGX), is a leading Engineering, Procurement and Construction (EPC) company providing innovative solutions for the power and renewable energy industry.

Gemma is led by a renowned team of professionals, each with extensive experience in the development, design, construction, commissioning and operation of large-scale power projects.

The company's wide-ranging and comprehensive experience comprises 14,000 MW under contract and installed capacity featuring combined cycle and simple cycle gas turbine generating plants, biomass projects, solar facilities, wind farms, biofuel plants and environmental facilities. Gemma also provides operations and maintenance services for completed facilities.

With highly experienced, creative people answering the challenges of building energy projects, Gemma's hands-on approach is distinguished by customer focus. Customers get state-of-the-art conceptual design, engineering, equipment and construction tailored specifically to their project. There is no one-size-fits-all mind set here.
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Glastonbury, CT


160 US Employees


Heavy Construction & Civil Engineering

Recent Awards