Our generators produce around 13% of the electricity needed by consumers in South Australia, Queensland, New South Wales, Victoria and the ACT. Most of Delta's generation occurs at four power stations located in NSW: Mt Piper and Wallerawang near Lithgow, and Vales Point and Munmorah on the Central Coast. These stations have a combined generating capacity of 4,240 megawatts. Small amounts of renewable energy are also produced from mini-hydro facilities located at Mt Piper near Lithgow and Chichester Dam in the upper Hunter Valley. Delta's corporate office is in Sydney. Delta Electricity operates under the Energy Services Corporations Act (1995) and the State Owned Corporations Act (1989). Since it was form