Kawerau Geothermal Power Plant

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The Kawerau Geothermal Power Plant is a 100-megawattgeothermal power plant located just outside the town ofKawerau in the Bay of Plenty region of New Zealand. The power station is situated within the Kawerau geothermal field, which is part of the Taupo Volcanic Zone. Completed in July 2008 by Mighty River Power at a cost NZ$300 million, the plant's capacity proved greater than expected.^[^1] The station is the largest single generator geothermal plant in New Zealand.

The Kawerau Geothermal Power Plant boosted the country's geothermal capacity by 25 percent and significantly increased local generation capacity in the Eastern Bay of Plenty. The plant meets approximately one third of residential and industrial demand in the region and provides cost certainty to local industry including Norske Skog Tasman.

The Kawerau Geothermal Power Plant uses a single Fuji turbine and steam from geothermal bores. The two phase fluid is flashed/separated twice to produce high and low pressure steam to feed the turbine.

The Kawerau Geothermal Power Plant field also supplies process steam to the Kawerau pulp and paper mill. This is used for process and power generation. Two small binary power plants use waste hot geothermal water for power generation.

A binary plant is also located west of the main power station. This station uses two phase fluid from one production well, KA24.

KAWERAU POWER STATION
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LOCATION	Bay of Plenty
OWNER	Mighty River Power
STATUS	operating
FUEL	geothermal
MAXIMUM CAPACITY	100 MW
COMMISSIONED	2008