Contact Energy supplies power to about half a million customers in New Zealand and has 10 power stations throughout the country. The company provides about 25% of the countries energy needs. The companies portfolio at the moment includes two hydro power stations. Alongside these there are three geothermal power plants and some thermal stations.
For additional information:
http://www.contactenergy.co.nz/web/view?page=/contentiw/pages/home