Iberdrola Renewables Inc

Gexa Energy is a retail electricity provider based in Houston that has been serving residential and commercial customers since 2002. It serves approximately 172,000 customers in Texas. Gexa Energy provides a range of energy options, including Gexa Green, which is wind-powered energy. The company s customers include hospitals, grocery stores, and manufacturing and industrial facilities. It is a retail subsidiary of FPL Energy, which is one of the largest generators of wind power in the United States. The parent company also operates Florida Power & Light Company, which is one of the largest electric utilities providers in the United States.

Calpine Corporation provides the United States economy with greater and cleaner sources of electricity. The company specializes in the production of geothermal power and has a program of developing and building natural gas-fired energy centers. At The Geysers, about 100 miles northeast of San Francisco, the company harnesses naturally heated steam from the earth to create electrical power. Calpine s renewable green power is available to consumers throughout California. The company s client list includes Alliant Energy, Aquilla Merchant Services, Arkansas Electric Cooperative, BP Energy Company, California Department of Water Resources, Citgo Petroleum, Pacific Gas and Electric Company, Natural Gas Pipeline Company of America and the New York Power Authority. Calpine Corporation is headquartered in San Jose, Calif.