Skookumchuck

Skookumchuck The Skookumchuck Dam is located in Thurston County, in Washington State, approximately 10 miles or 16 kilometers upstream from Centralia. Skookumchuck is a run-of-river dam constructed in 1970 to support our operations. A four-mile long reservoir provides...

Waterton

Waterton The Waterton hydro facility, constructed in 1992, takes advantage of Waterton River flows released from the Waterton Reservoir by Alberta Environment. The Waterton Reservoir was constructed by the Alberta government in the early 1960s to meet growing...

Upper Mamquam

Upper Mamquam Located on the Mamquam River, near the Squamish area about an hour north of Vancouver, this run-of-river hydro-electric facility became commercially operational in 2005. The facility generates an average of 103,000 megawatt hours per year of power, which...

Three Sisters

Three Sisters The Three Sisters Plant is one of TransAlta’s smallest power plants, with a generating capacity of three megawatts. Its primary function is to control the release of water from the Spray Lakes reservoir. The Three Sisters Plant generates an average...

Taylor

Taylor The Taylor hydro facility is located near Magrath, Alberta. It is constructed adjacent to the Taylor Coulee Chute, about 40 kilometres south of Lethbridge. The plant diverts a portion of the flow from the irrigation canal to its turbine to produce 13 megawatts...

St. Mary

St. Mary The St. Mary facility is located at the base of the St. Mary Dam near Magrath in southern Alberta. It uses water flowing from the low level riparian outlet located within the original diversion tunnel that flows into the St. Mary River. Water is withdrawn...