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Laforge-1 Generating Station
The Laforge-1 is a hydroelectric power station on the Laforge River, a tributary of the La Grande River, and is part of Hydro-Québec's James Bay Project. Commissioned in 1993–1994, it generates up to 878 MW through the reservoir and dam system. See also * List of largest power stations in Canada This article lists the largest electrical generating stations in Canada in terms of current installed Nameplate capacity, electrical capacity. Non-renewable resource, Non-renewable power stations are those that run on coal, fuel oils, Nuclear powe ... * Reservoirs and dams in Canada External links Hydro-Québec's La Grande Complex James Bay Project Dams in Quebec Dams completed in 1994 Dams on the Laforge River Publicly owned dams in Canada {{Canada-powerstation-stub ...
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Laforge River
La Grande River (, ; ; both meaning "great river") is a river in northwestern Quebec, Canada, rising in the highlands of the north-central part of the province and flowing roughly west to its drainage at James Bay. It is the second-longest river in the province, surpassed only by the Saint Lawrence River. Originally, the La Grande River drained an area of , and had a mean discharge of . Since the 1980s, when hydroelectric development diverted the Eastmain and Caniapiscau rivers into the La Grande, its total catchment area has increased to about , with its mean discharge being more than . In November 2009, the Rupert River was also (partially) diverted, adding another to the basin. At one time, the La Grande was known as the "Fort George River". The Hudson's Bay Company operated a trading post on the river, at Big River House, between 1803 and 1824. In 1837, a larger trading post was established at Fort George, on an island at the mouth of the river. In the early 20th centur ...
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Baie-James
The Baie-James () was a List of former municipalities in Quebec, former municipality in northern Quebec, Canada, which existed from 1971 to 2012. Located to the east of James Bay, Baie-James covered of land, making it the largest incorporated municipality in Canada — only eight Unorganized area (Canada), unorganized territories were larger. Its territory almost entirely (about 98%) covered the administrative region of Jamésie, although it contained less than five percent of the population. Essentially, it was the remainder of the Jamésie Territory's land after all of the major population centres were removed. On July 24, 2012, the Quebec government signed an accord with the Cree that would result in the abolition of Baie-James and the creation of a regional government known as Eeyou Istchee James Bay Territory. The hydroelectric power plants of the James Bay Project, La Grande Complex were all located within the municipal boundaries of Baie-James, making the municipality s ...
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Quebec
Quebec is Canada's List of Canadian provinces and territories by area, largest province by area. Located in Central Canada, the province shares borders with the provinces of Ontario to the west, Newfoundland and Labrador to the northeast, New Brunswick to the southeast and a coastal border with the territory of Nunavut. In the south, it shares a border with the United States. Between 1534 and 1763, what is now Quebec was the List of French possessions and colonies, French colony of ''Canada (New France), Canada'' and was the most developed colony in New France. Following the Seven Years' War, ''Canada'' became a Territorial evolution of the British Empire#List of territories that were once a part of the British Empire, British colony, first as the Province of Quebec (1763–1791), Province of Quebec (1763–1791), then Lower Canada (1791–1841), and lastly part of the Province of Canada (1841–1867) as a result of the Lower Canada Rebellion. It was Canadian Confederation, ...
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Hydro-Québec
Hydro-Québec () is a Canadian Crown corporations of Canada#Quebec, Crown corporation public utility headquartered in Montreal, Quebec. It manages the electricity generation, generation, electric power transmission, transmission and electricity distribution, distribution of electricity in Quebec, as well as the export of power to portions of the Northeast United States. More than 40 percent of Canada’s water resources are in Quebec and Hydro-Québec is among the largest hydropower producer in the world. It was established as a Crown corporation by the government of Quebec in 1944 from the expropriation of private firms. This was followed by massive investment in hydro-electric projects like the James Bay Project. Today, with 63 hydroelectricity, hydroelectric power stations, the combined output capacity is 37,370 megawatts. Extra power is exported from the province and Hydro-Québec supplies 10 per cent of New England's power requirements. The company logo, a stylized "Q" fash ...
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Megawatt
The watt (symbol: W) is the unit of Power (physics), power or radiant flux in the International System of Units (SI), equal to 1 joule per second or 1 kg⋅m2⋅s−3. It is used to quantification (science), quantify the rate of Work (physics), energy transfer. The watt is named in honor of James Watt (1736–1819), an 18th-century Scottish people, Scottish inventor, mechanical engineer, and chemist who improved the Newcomen engine with his own Watt steam engine, steam engine in 1776, which became fundamental for the Industrial Revolution. Overview When an object's velocity is held constant at one meter per second against a constant opposing force of one Newton (unit), newton, the rate at which Work (physics), work is done is one watt. \mathrm. In terms of electromagnetism, one watt is the rate at which electrical work is performed when a current of one ampere (A) flows across an electrical potential difference of one volt (V), meaning the watt is equivalent to the vo ...
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Francis Turbine
The Francis turbine is a type of water turbine. It is an inward-flow reaction turbine that combines radial and axial flow concepts. Francis turbines are the most common water turbine in use today, and can achieve over 95% efficiency. The process of arriving at the modern Francis runner design took from 1848 to approximately 1920. It became known as the Francis turbine around 1920, being named after British-American engineer James B. Francis who in 1848 created a new turbine design. Francis turbines are primarily used for producing electricity. The power output of the electric generators generally ranges from just a few kilowatts up to 1000 MW, though mini-hydro installations may be lower. The best performance is seen when the head height is between . Penstock diameters are between . The speeds of different turbine units range from 70 to 1000  rpm. A wicket gate around the outside of the turbine's rotating runner controls the rate of water flow through the turbine ...
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Hydroelectricity
Hydroelectricity, or hydroelectric power, is Electricity generation, electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, which is more than all other Renewable energy, renewable sources combined and also more than nuclear power. Hydropower can provide large amounts of Low-carbon power, low-carbon electricity on demand, making it a key element for creating secure and clean electricity supply systems. A hydroelectric power station that has a dam and reservoir is a flexible source, since the amount of electricity produced can be increased or decreased in seconds or minutes in response to varying electricity demand. Once a hydroelectric complex is constructed, it produces no direct waste, and almost always emits considerably less greenhouse gas than fossil fuel-powered energy plants.
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La Grande River
La Grande River (, ; ; both meaning "great river") is a river in northwestern Quebec, Canada, rising in the highlands of the north-central part of the province and flowing roughly west to its drainage at James Bay. It is the second-longest river in the province, surpassed only by the Saint Lawrence River. Originally, the La Grande River drained an area of , and had a mean discharge of . Since the 1980s, when hydroelectric development diverted the Eastmain and Caniapiscau rivers into the La Grande, its total catchment area has increased to about , with its mean discharge being more than . In November 2009, the Rupert River was also (partially) diverted, adding another to the basin. At one time, the La Grande was known as the "Fort George River". The Hudson's Bay Company operated a trading post on the river, at Big River House, between 1803 and 1824. In 1837, a larger trading post was established at Fort George, on an island at the mouth of the river. In the early 20th centur ...
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James Bay Project
The James Bay Project () involves the construction of a series of hydroelectricity, hydroelectric power stations on the La Grande River in northwestern Quebec, Canada by government-owned corporation, state-owned public utility, utility Hydro-Québec, and the diversion of neighbouring rivers into the La Grande Drainage basin, watershed. It is located between James Bay to the west and Labrador to the east, and its waters flow from the Laurentian Plateau of the Canadian Shield. The project is one of the largest hydroelectric systems in the world. It has cost upwards of US$20 billion to build and has an installed generating capacity of 15.244 Gigawatt, GW, at the cost of 7,000 square miles of Cree hunting lands. It has been built since 1974 by James Bay Energy () for Hydro-Québec. Construction costs of the project's first phase in ≈ 1971 amounted to $13.7 billion (1987 Canadian dollars). The eight power stations of the La Grande Complex generate an average of 9.5 GW, enough to meet ...
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Reservoir
A reservoir (; ) is an enlarged lake behind a dam, usually built to water storage, store fresh water, often doubling for hydroelectric power generation. Reservoirs are created by controlling a watercourse that drains an existing body of water, interrupting a watercourse to form an Bay, embayment within it, excavating, or building any number of retaining walls or levees to enclose any area to store water. Types Dammed valleys Dammed reservoirs are artificial lakes created and controlled by a dam constructed across a valley and rely on the natural topography to provide most of the basin of the reservoir. These reservoirs can either be ''on-stream reservoirs'', which are located on the original streambed of the downstream river and are filled by stream, creeks, rivers or rainwater that surface runoff, runs off the surrounding forested catchments, or ''off-stream reservoirs'', which receive water diversion, diverted water from a nearby stream or aqueduct (water supply), aq ...
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List Of Largest Power Stations In Canada
This article lists the largest electrical generating stations in Canada in terms of current installed Nameplate capacity, electrical capacity. Non-renewable resource, Non-renewable power stations are those that run on coal, fuel oils, Nuclear power plant, nuclear, natural gas, oil shale and peat, while Renewable resource, renewable power stations run on fuel sources such as biomass, Geothermal power, geothermal heat, Hydroelectricity, hydro, Solar power, solar energy, Solar thermal energy, solar heat, Tidal power, tides, Wave power, waves and Wind power, wind. As of 2023 the largest power generating facility is the Bruce Nuclear Generating Station in Ontario and has an installed capacity of 6,610 MW. Largest power stations List of the electrical generating facilities in Canada with a current Nameplate capacity, installed capacity of at least 250 Megawatt, MW. Notes Largest power stations under construction List of the electrical generating facilities under construction in ...
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Reservoirs And Dams In Canada
A reservoir (; ) is an enlarged lake behind a dam, usually built to water storage, store fresh water, often doubling for hydroelectric power generation. Reservoirs are created by controlling a watercourse that drains an existing body of water, interrupting a watercourse to form an Bay, embayment within it, excavating, or building any number of retaining walls or levees to enclose any area to store water. Types Dammed valleys Dammed reservoirs are artificial lakes created and controlled by a dam constructed across a valley and rely on the natural topography to provide most of the basin of the reservoir. These reservoirs can either be ''on-stream reservoirs'', which are located on the original streambed of the downstream river and are filled by stream, creeks, rivers or rainwater that surface runoff, runs off the surrounding forested catchments, or ''off-stream reservoirs'', which receive water diversion, diverted water from a nearby stream or aqueduct (water supply), aq ...
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