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 286,000 customers in Louisiana through its retail business; and supplies wholesale power in Louisiana and Mississippi. As of December 31, 2014, it had ownership interests in 3 steam electric generating stations, 2 gas turbines, 2 combined cycle unit with a combined nameplate capacity of 3,340 megawatts, and a combined electric net generating capacity of 3,233 megawatts; and 81 active transmission substations and 221 active distribution substations. The company also owned transmission system consisted of approximately 67 circuit miles of 500-Kilovolt (kV) lines; 534 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 consisted of approximately 3,649 circuit miles of 34.5-kV lines and 8,264 circuit miles of other lines. Cleco Corporation also owns and operates a 775 MW combined-cycle natural gas-fired power plant 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.