Calpine Corporation is America’s largest generator of electricity from natural gas and geothermal resources. Their fleet of 84 power plants in operation or under construction represents more than 27,000 megawatts of generation capacity. Through wholesale power operations and their retail business, Champion Energy, they serve customers in 21 states and Canada. They specialize in developing, constructing, owning and operating natural gas-fired and renewable geothermal power plants that use advanced technologies to generate power in a low-carbon and environmentally responsible manner. Their clean, efficient, modern and flexible fleet is uniquely positioned to benefit from the secular trends affecting their industry, including the abundant and affordable supply of clean natural gas, stricter environmental regulation, aging power generation infrastructure and the increasing need for dispatchable power plants to successfully integrate intermittent renewables into the grid.