Generations of Kiwis and international experts have planned, designed, built, operated, upgraded and maintained NZ’s hydropower stations for well over a century. Hydro generation provides around 55-60% of Aotearoa’s electricity and is a key part of our energy system and economy.
Contact’s hydro teams look after 43 power stations. Spanning the country from the Bay of Plenty to Otago, the stations were commissioned between 1907 and 2013 and generate renewable electricity using a mix of run-of-river schemes and water stored in lakes. Hydro power stations take the potential energy in water and convert it into electricity through the use of dams and turbines.
Contact's hydro fleet contributes around 5.7TWh of renewable electricity annually to the national grid (depending on rainfall), enough to power the equivalent of around 800,000 Kiwi households each year.
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