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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 backbone of New Zealand's national grid is the network of 220 kV transmission lines in each of the North and South Islands, which links the major power stations and the country's major cities. Supplementing this are 110 kV, 66 kV and 50 kV transmission lines, which supply provincial towns and cities with electricity from the 220 kV grid ...
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.
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, Ĺpunake and Raetihi.
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]
In 1952 Lloyd Mandeno who was the consulting engineer to the King Country Electric Power Board suggested to the board that they consider building a power station. With demand and its revenues increasing (it increased by 1375% between 1948 and 1958), having its own generation would reduce the amount of power the board would have to purchase from the State Hydro-Electric Department (SHD), while ...
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 dam, designed by Gibb and Partners, was the last major project in New Zealand to be designed in imperial units. [13]: 371 It is New Zealand's highest gravity arch dam in both altitude and physical height. [13]: 371 Filled in 1979 it is 325 metres (1,066 ft) long and 68 metres (223 ft) high.