Many of the largest dams and reservoirs in New Zealand have been developed principally to produce hydroelectricity.Download coordinates as: The main river systems comprising a series of dams and powerhouses are situated on the following rivers: Other schemes are standalone developments associated with specific sites.The Tongariro Power Scheme (1,400 GWh) diverts water from the south side of Mount Ruapehu and the west and north sides of Tongariro into Lake Taupō, and thus eventually into the Waikato River.The hydro stations, starting from Lake Taupō, are (capacity in MW and nominal annual energy output in GWh): The river was developed in multiple stages.Lake Pukaki was initially dammed at this stage to provide storage and flow control.
Tekapo Canal
Cosseys Dam in the
Hunua Ranges
, part of Auckland's water supply system