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Alterra & GE (formerly, Plutonic Power Corporation & GE) proposed originally to construct three hydroelectric projects located at the head of Toba Inlet, approximately 100 km north of Powell River, BC with a total installed capacity of 133 MW. Major components included Dalgleish Creek (30 MW), Jimmie Creek (56 MW), and Upper Toba River (47 MW). The produced energy will be conveyed via approximately 2.3 km of transmission line for interconnection to the 230 kV transmission line serving the East Toba and Montrose River Hydroelectric Project. A full description of the project is included in the company's application for an Environmental Assessment
The electricity purchase agreement (EPA) signed with BC Hydro is for 124 MW from just two of the streams- Jimmie Creek and the Upper Toba River. Dalgleish Creek was excluded because capacity at the Saltery Bay substation was insufficient for the potential load.
Plutonic Power Corporation states that the Knight Inlet Project consists of six generation facilities and will generate a nominal 247 megawatts (MW). It has not been submitted to a BC Hydro call for power.
Plutonic Power Corporation originally listed Freda Creek among its generation projects. In 2012, the City of Powell River and the Tla’amin (Sliammon) First Nation announced that Tees'Kwat Land Holdings Ltd had acquired the water application, and that they were jointly forming a company, and would advance the project together. The proponents are hoping to bypass the BC Hydro competitive "calls" process and be directly awarded an EPA with BC Hydro. Freda Creek is just north of Earl's Cove. The project could have a nominal capacity of 35 megawatts (MW).
Alterra (formerly, Plutonic Power Corporation & GE completed the East Toba River and Montrose Creek generation facilities in November 2010. At the end of 2012, GE sold its interest to Fiera Axium Infrastructure. East Toba has a nominal capacity of 123 megawatts (MW), and Montrose Creek 73 MW for a total of 196 MW. 148 km of transmission line was built from Toba Inlet to Earl's Cove, and 60 km of access roads. A full description of the project is included in the company's application for an Environmental Assessment
Alterra Power Corp., (formerly, Plutonic Power Corporation) is proposing to construct the largest cluster of hydroelectric projects ever built in British Columbia, on streams feeding into Bute Inlet. The company claims it will have a "nameplate" capacity of 1027 megawatts (MW) - 10% of the total hydroelectric generating capacity in BC Hydro's legacy dams - from 17 powerhouses.