ROCKVILLE, Md.–(BUSINESS WIRE)– Argan, Inc. (NYSE AMEX: AGX) announced that its wholly owned subsidiary Gemma Power Systems, through its wholly-owned subsidiary Gemma Renewable Power LLC, has signed an approximately $16.6 million EPC contract with Southern Sky Renewable Energy Canton LLC to design and build a 5.7MW (DC) solar energy facility consisting of approximately 19,800 photovoltaic panels located on a closed capped landfill in Canton, Massachusetts.