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The Portneuf-2 (PN-2) facility is located at Philias Falls, 6.5 km upstream from the PN-1 Facility and has an installed capacity of 9.9 MW. The site was developed using a diversion weir, an intake and an 800-metre tunnel to the downstream powerhouse, which has two double-runner horizontal Francis turbines. The average annual production of the PN-2 Facility is 69,024 MWh.

The Portneuf facilities consist of three run-of-the-river hydroelectric power generating stations with a total installed capacity of 25.9 MW. They are located on the Portneuf River in Portneuf-sur-Mer within the Seigneurie des Mille-Vaches. The Portneuf River has an effective drainage area of 3,110 square kilometres and originates from Portneuf Lake. Portneuf-sur-Mer is located 300 km east of Québec City.

Energy Hydroelectricity
Client Hydro-Québec
Status In operation
Commissioned 1996
PPA Expiration 2021
Capacity - Gross (MW) 9.9
Innergex participation (%) 100.0