Frederick Manuel

Advanced Power Projects, Inc. generated power with emissions and environmental impact. The company was founded by Thomas Robert Mason and Peter Cartwright in 2006 and was headquartered in Fremont, CA.

Calpine Corp. operates as power generation company, which engages in the ownership and operation of natural-gas fired and geothermal power plants. It sells power and related services to wholesale customers who include commercial and industrial end-users, state and regional wholesale market operators, and retail customers. The company was founded by Peter Cartwright in June 1984 and is headquartered in Houston, TX.

Gradient Resources, Inc. develops renewable power projects. It engages in the exploration and development of geothermal resources as well as the construction, ownership and operation of geothermal power plants. The firm’s core business is the development, design, construction, and operation of clean, renewable electric power generation projects and the sale of base load renewable geothermal power to utilities located in the western United States. It owns geothermal drilling rigs, complete well-cementing operations and proprietary geothermal exploration and development technology. The company was founded in 1991 by Stephen Miles Munson and is headquartered in Reno, NV.