Tongariro Power Scheme

The Tongariro Power Scheme has a catchment area of more than 2600 km2 in the North Island's central volcanic plateau.

The 361.8MW hydro scheme comprises three power stations – Rangipo (120MW, underground), Tokaanu (240MW) and Mangaio (1.8MW).

The 361.8MW Tongariro Power Scheme has a catchment area of more than 2600 km2 in the North Island's central volcanic plateau. The scheme gathers water from the mountains of the central plateau through Eastern and Western Diversions of the Scheme. The water passes through a series of pipes, lakes, canals and tunnels to the Mangaio, Tokaanu and Rangipo hydro power stations before entering Lake Taupo.

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Tongariro Power Scheme - Overview Video

Tongariro Power Scheme

Year Commissioned

Tokaanu - 1973

Rangipo - 1983

Mangaio – 2008

Total Capacity

Tokaanu - 240MW

Rangipo - 120MW

Mangaio - 1.8MW

Generation Units:

Tokaanu - Four 60MW units

Rangipo - Two 60MW units

Mangaio - One 1.8MW unit

Resource Consents

Resource consents are required for a number of activities related to the operation and maintenance of the Tongariro Power Scheme. The current operative resource consents for the Tongariro Power Scheme were granted in 2004 for a duration of 35 years, expiring in 2039.

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