Technical Features of Kawerau Geothermal Power Station, New Zealand
- Key words
- Kawerau, New Zealand, power generation, double flash, two-phase flow, steam washing, pH, deposit control, silica scaling, acid treatment, variable speed control, separator, cooling tower, steam turbine, gas extraction, direct condenser
- Location
- Kawerau, New Zealand; Taupo Volcanic Zone
- Conference
- World Geothermal Congress
- Year
- 2010
- Session
- 26. Power Generation
- Language
- English
- Paper number
- 2621
Full text
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Abstract
The Kawerau Geothermal Power Station owned by Mighty River Power Limited (MRP), New Zealand was put into commercial operation in August 2008. The nominal net output is 100MW and this is the largest single geothermal development in NZ in more than 20 years. Fuji Electric Systems Co., Ltd. (FES) was the technical leader of the project to deliver the plant to MRP under Engineering, Procurement and Construction (EPC) contract.
The Kawerau Geothermal Power Station has unique technical features in its concept and system designs. This paper introduces and outlines key features of the steam separation and washing system, brine reinjection system, power generation facility and coordination control of steamfield and power station.
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