Cleco Corporation operates as a public utility holding company primarily in Louisiana. The company, through its subsidiary, Cleco Power LLC, engages in the generation, transmission, distribution, and sale of electricity to approximately 287,000 customers in Louisiana through its retail business; and supplies wholesale power in Louisiana and Mississippi. As of December 31, 2015, it had ownership interests in 6 steam electric generating stations, 3 combined cycle units, and 1 gas turbine with a combined nameplate capacity of 3,333 megawatts, as well as a combined electric net generating capacity of 3,190 megawatts; and 82 active transmission substations and 219 active distribution substations. The company also owned transmission system that consisted of approximately 67 circuit miles of 500-kiloVolt (kV) lines; 539 circuit miles of 230-kV lines; 671 circuit miles of 138 kV lines; and 28 circuit miles of 69-kV lines, as well as distribution system, which consisted of approximately 3,640 circuit miles of 34.5-kV lines and 8,291 circuit miles of other lines. Cleco Corporation also owns and operates 775-MW, combined-cycle power plant located in St. Landry, Louisiana; and owns natural gas pipelines and 2 transmission interconnection facilities. The company was founded in 1934 and is headquartered in Pineville, Louisiana.