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Brown Lake Hydroelectric Project

Transmission Lines Substations Protection & Controls System Commissioning

Located 50 km southeast of Prince Rupert and accessible only by water or air, the Brown Lake Hydroelectric Project was commissioned by Westpark Electric in November 1996. The site is divided by the Ecstall River which is a major tidal tributary of the Skeena River. The plant is comprised of a powerhouse located on the western shore and a substation located on the eastern shore adjacent to an existing BC Hydro 69kv transmission line.

Westpark Electric Ltd., was responsible for the supply, installation and commissioning of all major electrical equipment required to complete construction of the 7MW Hydroelectric plant, with the exception of the 1500m 15kv submarine cable. Westpark also supplied the 69kv substation protection and control equipment through a related company.

The plant consists of a powerhouse, housing a single Francis turbine and associated 13.8kv switchgear, control and ancillary equipment, as well as the building lighting and ventilation systems. A short overhead powerline carries the generator output to a terminal pole transition, into a 1500m run of submarine cable across the Ecstall River. Another terminal pole on the east shore, and a short overhead powerline brings the output to the east shore substation where the generated voltage is metered and transformed to 69kv for connection to BC Hydro s transmission line. The substation and powerhouse are linked by RTU and radio. Control and monitoring of the plant can be local or remote via RTU and satellite phone.

  • WestPark Project
  • WestPark Project
  • WestPark Project
  • WestPark Project
  • WestPark Project
  • WestPark Project