- Patea Dam
The Patea Dam is a high compacted earth fill–type
hydroelectric dam inNew Zealand , constructed between 1979 and 1984. ThePatea Hydro Electric Scheme first produced power in May 1984. After construction difficulties, wetter than normal conditions had caused a six-month delay. It is operated byTrustPower .The dam is 82 metres tall, the fourth highest in New Zealand. It was the first dam constructed using tertiary
sandstone andsiltstone as fill materials. The dam impoundsLake Rotorangi , which is the longest man-made lake in New Zealand (46km). [ [http://www.teara.govt.nz/TheBush/Landscapes/Lakes/1/en Te Ara Encyclopedia of New Zealand] ] With three 10,000kW verticalFrancis turbine generator sets and a 700 kW auxiliary generator, the scheme has a total capacity of 30,700 kW and an average annual output of 118GWh .References
External links
* [http://www.trustpower.co.nz/Content/Generation/Hydro/Patea.aspx Trust Power] - Patea power station
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