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Hydroelectric power in New Zealand has been a part of the country's energy system for over 100 years and continues to provide more than half of the country's electricity needs. Hydroelectricity is the primary source of renewable energy in New Zealand. Power is generated the most in the South Island and is used most in the North Island. [1]
New Zealand Energy is a New Zealand electricity generation energy retailer company, servicing the Nelson and Tasman Regions of the country. [1]The company is based in Motueka, and generates their renewable hydro and solar electricity locally within the Nelson and Tasman Regions by operating small hydroelectric power stations in Haast, Fox, Ōpunake and Raetihi.
Graph of New Zealand electricity generation capacity by year. This is a list of power stations in New Zealand. The list is not exhaustive – only power stations over 0.5 MW and significant power stations below 0.5 MW are listed. Power plants in New Zealand have different generating roles – for baseload, intermediate or peaking.
The Arnold Power Station is a hydroelectric facility fed from Lake Brunner on the Arnold River in West Coast, New Zealand, owned and operated by TrustPower. Commissioned in 1932, the plant is rated at 3 megawatts (4,000 hp) and has an average annual output of 25 gigawatt-hours (90 TJ).
People, Power and Power Stations: Electric Power Generation in New Zealand 1880–1998 (Second ed.). Wellington: Bridget Williams Books Ltd and Electricity Corporation of New Zealand. pp. 356 pages. ISBN 0-908912-98-6. Reilly, Helen (2008). Connecting the Country: New Zealand's National Grid 1886–2007. Wellington: Steele Roberts.
Whakamaru Power Station is a hydroelectric power station on the Waikato River, in the North Island of New Zealand. It is the fourth hydroelectric power station on the Waikato River. Lake Whakamaru is one of the larger hydro reservoirs on the Waikato river. The power station is owned and operated by Mercury Energy. [1]
Aratiatia Power Station is a hydroelectric power station on the Waikato River, in the North Island of New Zealand. It is the first hydroelectric power station on the Waikato River, and is located 13 kilometres (8.1 mi) downstream of Lake Taupō. Aratiatia is owned and operated by Mercury Energy. [1] [2]
The power house is in a cavern, while two tailrace tunnels take the water from the power house 10 km (6 mi) to Deep Cove and the sea. The Manapouri Control Structure (Mararoa dam) downstream from the original outlet of Lake Manapouri controls the lake level, and feeds water from the Mararoa river back up the river into the Lake.