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Retired civil engineer and dam inspector examines the development of New Zealand dam construction techniques and uses from the 1860s to the 1950s for municipal water supply, mining, kauri logging and development of the Lake Waikarimoana Natural Dam for hydroelectric power.
From 2008 to 2018, hydropower has generated almost 60% of total electricity production in New Zealand, with 82% generation from renewable resources. Currently, New Zealand has over 100 hydroelectric power plants in use. [15] From the early 1900s to 2010, there has been a plateau in energy growth for hydroelectric power systems.
The Waitaki Dam is one of eight hydroelectric power stations which form the Waitaki hydroelectric scheme on the Waitaki River in the Canterbury Region of New Zealand. The dam was the first of three to be built on the Waitaki River and was constructed without earthmoving machinery; over half a million cubic metres of material was excavated, almost entirely by pick-and-shovel. [2]
With a generating capacity of 540 megawatts (720,000 hp), Benmore Power Station is the second largest [1] hydro station in New Zealand behind Manapouri, and the largest dam in the country. Construction of the dam and hydroelectric station began in 1958 at a cost of $62 million.
Clyde Dam under construction circa 1986. There was considerable controversy when the dam was planned because it would flood many houses and orchards upstream at Cromwell, [2] as well as the scenic Cromwell Gorge, which was a highlight of the then young but growing New Zealand tourism industry.
The Pātea Dam is a high compacted earth fill–type hydroelectric dam in Taranaki, New Zealand, constructed between 1980 and 1984. The dam is 82 metres (269 ft) high, and is the fourth highest in New Zealand. It was the first dam constructed using tertiary sandstone and siltstone as fill materials.
In January 1926, a Wellington-based syndicate of ten businessmen headed by Joseph Orchiston and Arthur Leigh Hunt, New Zealand Sounds Hydro-Electric Concessions Limited, was granted by the government via an Order in Council the rights to develop the waters which discharged into Deep Cove, Doubtful Sound, and the waters of Lake Manapōuri, to ...
The Waitaki Hydro Scheme, which includes several large dams, is one of the largest hydroelectric projects in the nation. The Waitaki dam was built first, between 1928 and 1934, and without earth-moving machinery, followed by the development of the Aviemore Dam which created Lake Aviemore , and then Benmore Dam which created Lake Benmore .