Portland General Electric Company, an integrated electric utility, engages in the generation, purchase, transmission, distribution, and retail sale of electricity in the state of Oregon. It operates five thermal plants, seven hydroelectric plants, and a wind farm located at Biglow Canyon in eastern Oregon; and approximately 1,100 circuit miles of transmission lines, as well as 24,000 circuit miles of primary and secondary distribution lines that deliver electricity to its customers. The company also sells electricity and natural gas in the wholesale market to utilities, brokers, and power marketers in the United States and Canada. As of March 11, 2013, it served approximately 828,000 residential, commercial, and industrial customers in Oregon. The company was founded in 1930 and is headquartered in Portland, Oregon.