Based in San Jose, Calif., Calpine Corporation is a leading independent power company dedicated to providing clean, efficient, natural gas-fired power generation. It generates and markets power through plants it develops, owns and operates in 23 states in the United States, three provinces in Canada and in the United Kingdom. Calpine is also the world's largest producer of renewable geothermal energy, owning approximately one trillion cubic feet equivalent of proved natural gas reserves in Canada and the United States. The company was founded in 1984 and is publicly traded

http://www.calpine.com/