Luminant, Texas largest power provider, has facilities across the North Central region. About Luminant: Luminant is a competitive power generation business with plant and mine operations, wholesale marketing and trading, and construction and development of new power plants. It has over 16,100 megawatts of generation in Texas, including 2,300 megawatts of nuclear and 5,800 megawatts of coal generation. Luminant is the largest purchaser of wind-generated electricity in Texas and the Southwest and the fifth largest in the United States. Luminant has mined and restored almost 65,000 acres and planted nearly 28 million trees in a reclamation program that consistently earns the nations top awards for environmental excellence.