BC Hydro says the second and final 500-kilovolt transmission line for the Site C dam has been completed and energized.

The utility announced the construction milestone on Wednesday.

“With this milestone, the work to connect the new Site C substation to the BC Hydro grid is complete,” the company said in a release. “Once the Site C project begins generating electricity, the transmission lines will help deliver clean energy to the rest of the province.”

The two 75-kilometre lines run along an existing right-of-way between Site C and the generating station at Peace Canyon Dam. The first 500 kilovolt line, along with the Site C substation, were both completed and energized in the fall of 2020, according to BC Hydro. https://e759f12710fa8c0ed74ba93df123cae1.safeframe.googlesyndication.com/safeframe/1-0-38/html/container.html

The work was carried out by Allteck Line Contractors Inc. Since construction started in summer 2018, BC Hydro says crews have built more than 400 towers and strung lines over a total of 150 kilometres.

“The two transmission lines are a major component of the Site C project, which also consists of the new 500 kilovolt substation and expanding the existing Peace Canyon 500 kilovolt gas-insulated switchgear to incorporate the two new 500 kilovolt transmission line terminals,” said BC Hydro.

“Work to complete three other 500 kilovolt transmission lines that will span one kilometre between the Site C generating station and Site C substation is still underway. This work is expected to be complete in 2023.”

A conductor dead-end on the Site C transmission line, February 2022. BC Hydro


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