Calpine Corporation, based in San Jose, Calif., is dedicated to providing customers with reliable and competitively priced electricity. Calpine is focused on clean, efficient, natural gas-fired generation and is the world's largest producer of renewable geothermal energy. Calpine has launched the largest power development program in North America. To date, the company has approximately 37,700 megawatts of base load capacity and 8,000 megawatts of peaking capacity in operation, under construction, pending acquisitions and in announced development.