Mighty River Power

Mighty River Power Limited is a New Zealand government-owned electricity generation and retailing company. It was formed from the breakup of the Electricity Corporation of New Zealand (ECNZ) in 1999 as a result one of the reforms of the New Zealand Electricity Market and corporatised to become a state-owned enterprise with its own board of directors and Ministerial shareholders. The shareholders are the Minister of Finance and the Minister of State Owned Enterprises.

Generation Assets
The company owns and operates the hydroelectric generating stations on the Waikato River as well as geothermal plants in the Taupo area, the combined cycle Southdown plant in south Auckland and the largely unused plant (Marsden A and the moth-balled Marsden B thermal power stations at Marsden Point near Whangarei.

According to its own website, the company supplies up to 22% of New Zealand peak energy demand, with about 80% of this coming from hydro-power.

Subsidiaries
In addition to its generation assets, Mighty River Power also incorporates:
 * Mercury Energy, an electricity and gas retailer
 * Metrix, a metering and meter-reading business

Contact Details
Corporate Office Level 14, 23-29 Albert Street P O Box 90399 Auckland P: 64 9 308 8200 F: 64 9 308 8209 Website: http://www.mightyriverpower.co.nz