Calpine Corporation is a leading independent power generation company with a focus on natural gas-fired and geothermal power plants in North America. The company owns and operates a diverse portfolio of power generation facilities that use natural gas and geothermal technology to produce electricity. Calpine operates natural gas-fired combustion turbines and renewable geothermal conventional steam turbines, which allow it to provide reliable and cost-effective power to its customers. With its focus on sustainable and efficient energy solutions, Calpine is a key player in the rapidly evolving energy market.