Central Power & Light Company generates, purchases, transmits, distributes and sells electricity in South Texas. The company is a wholly owned subsidiary of Central and South West Corporation. The company operates in three main territories namely Corpus Christi, Laredo and McAllen. The main users of the company's services include manufacturing, mining, agricultural, transportation and public utility sectors. The company is a member of the ERCOT power grid operating in Texas. Electrical revenues residential accounted for 37% of 1999 revenues, commercial 27%,industrial 22%, sale for resale 5% and other 9%.