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The Piriaka power station is a hydroelectric power facility in Manawatū-Whanganui in New Zealand which draws water from behind a weir on the Whanganui River near Piriaka and diverts it through a canal and penstock to the Piriaka Power Station, which is located approximately 9 km (6 miles) southeast
of the town of Taumarunui, via SH4. The power station discharges back into the Whanganui River.
Listen to the audio guide for Piriaka Power Station Free on WIP — starts by itself when you arrive, even with the screen off