PORtland General Electric Company an integrated electric utility company engages in the generation wholesale purchase transmission distribution and retail sale of electricity in the state of Oregon It operates six thermal plants three wind farms and seven hydroelectric facilities As of December 31 2021 the company owned an electric transmission system consisting of 1274 circuit miles including 287 circuit miles of 500 kilovolt line 415 circuit miles of 230 kilovolt line and 572 miles of 115 kilovolt line It has 28206 circuit miles of distribution lines The company also purchases and sells wholesale natural gas in the United States and Canada It serves approximately 917 thousand residential commercial and industrial customers in 51 cities The company was founded in 1889 and is headquartered in PORtland Oregon