John Hart Dam | |
---|---|
Official name | John Hart Dam |
Location | Campbell River, British Columbia, Canada |
Coordinates | 50°02′23″N125°20′03″W / 50.03972°N 125.33417°W |
Opening date | 1947 |
Reservoir | |
Creates | John Hart Lake |
Power Station | |
Operator(s) | BC Hydro |
Turbines | 3 |
Installed capacity | 132 MW (max.) |
The John Hart Dam is one of three hydroelectric dams on the Campbell River, located on Vancouver Island in British Columbia, Canada. The dam is located at the outflow of John Hart Lake. The John Hart Generating Station is located nearby.
The BC Power Commission built the first generating station in 1947, it included above ground wood stave penstocks and six turbine-generator units for a total capacity of 126 MW. [1] It was named after John Hart, Premier of BC 1941–1947. [2]
By 1979 BC Hydro was concerned about the safety of dams built before 1961. A series of earthquakes since then had shown the susceptibility of some dams to liquefaction. [3] A review begun in 1984 discovered the dam was built on loose, saturate sands and silts. The dam was reinforced using injected grout while under full pool. [4]
Due to seismic risks, a 68-year-old facility and lower than optimal power generation, in 2014 contracts were awarded to SNC-Lavalin to design and build a generating station and two new 2 km long, six meter penstocks. [5] [6] [7] [8] [9] [10] The new penstocks and powerhouse are located underground. The project included the decommissioning of the old facility in conjunction with the construction and commissioning of the new facility. The 1.1 billion dollar project was completed in 2018. [11] [12] [13] The new powerhouse as a slightly larger capacity at 132.2 megawatts. [14]
The W. A. C. Bennett Dam is a large hydroelectric dam on the Peace River in northern British Columbia, Canada. At 186 metres (610 ft) high, it is one of the world's highest earth fill dams. Construction of the dam began in 1961 and culminated in 1968. At the dam, the Finlay, the Parsnip and the Peace rivers feed into Williston Lake, also referred to as Williston Reservoir. It is the third largest artificial lake in North America as well as the largest body of fresh water in British Columbia. Williston Lake runs 250 kilometres north–south and 150 kilometres east–west.
The British Columbia Hydro and Power Authority, operating as BC Hydro, is a Canadian electric utility in the province of British Columbia. It is the main electricity distributor, serving more than 4 million customers in most areas, with the exception of the City of New Westminster, where the city runs its own electrical department and portions of the West Kootenay, Okanagan, the Boundary Country and Similkameen regions, where FortisBC, a subsidiary of Fortis Inc. directly provides electric service to 213,000 customers and supplies municipally owned utilities in the same area. As a provincial Crown corporation, BC Hydro reports to the BC Ministry of Energy, Mines and Low Carbon Innovation, and is regulated by the British Columbia Utilities Commission (BCUC). Its mandate is to generate, purchase, distribute and sell electricity.
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According to the International Hydropower Association, Canada is the fourth largest producer of hydroelectricity in the world in 2021 after the United States, Brazil, and China. In 2019, Canada produced 632.2 TWh of electricity with 60% of energy coming from Hydroelectric and Tidal Energy Sources).
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The Campbell River is a river on Vancouver Island, British Columbia, Canada. It drains into Discovery Passage at the northwest end of the Strait of Georgia at the City of Campbell River. The Kwak'wala name for the river, or for the village near its mouth, at Campbell River Indian Reserve No. 11, is Tla'mataxw. The source of the river is Buttle Lake.
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AtkinsRéalis Group Inc., previously known as SNC-Lavalin Group Inc., is a Canadian company based in Montreal that provides engineering, procurement, and construction (EPC) services to various industries, including mining and metallurgy, environment and water, infrastructure, and clean energy. AtkinsRéalis was the largest construction company, by revenue, in Canada, as of 2021.
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