The Mokai Power Station is a geothermal power station owned by the Tuaropaki Power Company and operated by Mercury Energy. It is located approximately 30 km north west of Taupo in New Zealand. The station uses a binary cycle manufactured by Ormat Industries.
The Tuaropaki Power Company is 75% owned by the Tuaropaki Trust and 25% by Mighty River Power.The plant was initially constructed in 1999 as a 55 MW geothermal power station. An additional 40 MW was added in 2005 and in 2007 plant capacity was increased to 110 MW.