Mississippi Power provides electric services to about 186,680 residential, commercial, and industrial customers in the Magnolia State. The utility, operates more than 6,890 miles of transmission and distribution lines, and it generates nearly 3,160 MW of capacity from its power plants (of which 1,450 MWs are coal-fired). Mississippi Power also sells wholesale electricity to several Florida municipal and cooperative utilities, and it offers energy conservation services and sells electrical appliances. Mississippi Power is a subsidiary of utility holding firm Southern Company.