The sixth and final generating unit on the Site C Project has completed, marking a historic milestone for BC Hydro.
It’s now able to generate over 1,100 megawatts of electricity, and enough energy to reliably power about 500,000 homes annually, increasing the total electricity supply around eight per cent.
“The commission of Site C’s final generating unit is another step forward to securing B.C.’s clean energy future,” said Minister of Energy and Climate Solutions, Adrian Dix.
Site C project comes into full operation.
We’ve reached a historic milestone with the successful commissioning of the sixth and final generating unit on the Site C project. Learn more: https://t.co/q3d8IcTtdc pic.twitter.com/52mffb2yvI
— BC Hydro (@bchydro) August 9, 2025
BC Hydro said the remaining construction work on the project will include completing the powerhouse and generating station, finishing paving on access roads, final equipment commissioning and addressing any deficiencies.
They’re also working to backfill the tunnels used to divert the Peace River, and revegetate areas no longer required for construction.
BC Hydro urges the public to stay away from the Site C reservoir and surrounding slopes as there are a number of hazards that make it unsafe for public access.
Public boat launches will open when the reservoir is deemed safe, which is expected to be spring 2026 at the earliest.
The first unit came online in October 2024, with the second in December, the third in February, the fourth in March, and the fifth in mid July.
More information can be found here.
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