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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]
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.
The Aviemore Dam is a dam on the Waitaki River in New Zealand. The dam is a composite dam, with an embankment section, and a concrete section. Built in the 1960s (and completed in 1968) [1] it impounds Lake Aviemore. Aviemore Dam is owned and operated by Meridian Energy, and its primary purpose is to power a hydroelectric power plant. [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.
The Wairere Power Station is a hydroelectric power facility in the Waikato region in New Zealand which makes use of water from the Mokau River.Water is drawn from behind a dam above the Wairere Falls, which diverts the water through two penstocks to the Wairere Power Station, before being discharged back into the Mokau River.
The Roxburgh Dam is the earliest of the large hydroelectric projects in the lower half of the South Island of New Zealand.It lies across the Clutha River / Mata-Au, some 160 kilometres (99 mi) from Dunedin, some 9 kilometres (5.6 mi) to the north of the town of Roxburgh.
The Matahina power station is a hydroelectric power facility in Bay of Plenty in New Zealand on the Rangitaiki River downstream of the Aniwhenua Power Station.The river was dammed to form Lake Matahina from which water is drawn and diverted through the power station before being discharged back into the river.