The plant produces around 350 GWh pa, utilising geothermal steam from the Wairakei field, and is operated as part of the Wairakei geothermal system.
Electricity Generation at Poihipi, New Zealand.
The plant was commissioned in 1996 and originally owned by a private generation company 'Mercury Geotherm' before being sold to Contact Energy. The original powerplant and steamfield was designed and commissioned by MTL Geothermal Engineers. A single 55MW Fuji Electric steam turbine with direct contact condensor was selected to generate electricity from the steam field.