TECO Energy, Inc., an electric and gas utility holding company, engages in the regulated electric and gas utility operations. It generates, purchases, transmits, distributes, and sells electric energy to retail customers, as well as to utilities and other resellers of electricity in West Central Florida; and has electric generating plants with a winter peak generating capacity of 4,668 megawatts. The company purchases, distributes, and sells gas to residential, commercial, industrial, and electric power generating customers in Florida; and has a distribution system that includes approximately 11,740 miles of mains and 6,800 miles of service lines. It also distributes natural gas primarily to residential customers in 23 counties of New Mexico; and operates 11,800 miles of pipeline, including approximately 1,600 miles of transmission pipeline and 10,200 miles of distribution lines. As of February 9, 2015, the company served approximately 700,000 electric customers in West Central Florida; 350,000 gas customers in Florida; and 513,000 gas customers in New Mexico. The company was founded in 1899 and is headquartered in Tampa, Florida.