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Nelson River Hydroelectric Project
The Nelson River Hydroelectric Project refers to the construction of a series of dams and hydroelectric power plants on the Nelson River in Northern Manitoba, Canada. The project began to take shape in the late 1950s, with the planning and construction of the Kelsey dam and hydroelectric power station, and later was expanded to include the diversion of the upper Churchill River into the Nelson River and the transformation of Lake Winnipeg, the world's 11th largest freshwater lake, into a hydroelectric reservoir. The project is owned and operated by Manitoba Hydro, the electrical utility in the province. Overview Several sites on the Nelson River, with potential of millions of horsepower, had been identified as early as 1911, but transmission of power to population centres in the south was beyond the state of the art of electric power transmission at that time. Between 1955 and 1960, studies were carried out to determine what resources would be available for future hydraulic gen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Environmental Concerns With Electricity Generation
Electric power systems consist of generation plants of different energy sources, transmission networks, and distribution lines. Each of these components can have environmental impacts at multiple stages of their development and use including in their construction, during the generation of electricity, and in their decommissioning and disposal. These impacts can be split into operational impacts (fuel sourcing, global atmospheric and localized pollution) and construction impacts (manufacturing, installation, decommissioning, and disposal). All forms of electricity generation have some form of environmental impact, but coal-fired power is the dirtiest. This page is organized by energy source and includes impacts such as water usage, emissions, local pollution, and wildlife displacement. Greenhouse gas emissions Water usage Water usage is one of the main environmental impacts of electricity generation. All thermal power plants (coal, natural gas, nuclear, geothermal, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electric Power
Electric power is the rate of transfer of electrical energy within a electric circuit, circuit. Its SI unit is the watt, the general unit of power (physics), power, defined as one joule per second. Standard prefixes apply to watts as with other SI units: thousands, millions and billions of watts are called kilowatts, megawatts and gigawatts respectively. In common parlance, electric power is the production and delivery of electrical energy, an essential public utility in much of the world. Electric power is usually produced by electric generators, but can also be supplied by sources such as Electric battery, electric batteries. It is usually supplied to businesses and homes (as domestic mains electricity) by the electric power industry through an electrical grid. Electric power can be delivered over long distances by electric power transmission, transmission lines and used for applications such as Electric motor, motion, Electric light, light or Electric heat, heat with high ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Métis People (Canada)
The Métis ( , , , ) are a mixed-race Indigenous people whose historical homelands include Canada's three Prairie Provinces extending into parts of Ontario, British Columbia, the Northwest Territories and the northwest United States. They have a shared history and culture, deriving from specific mixed European (primarily French, Scottish, and English) and Indigenous ancestry (primarily Cree with strong kinship to Cree people and communities), which became distinct through ethnogenesis by the mid-18th century, during the early years of the North American fur trade. In Canada, the Métis, with a population of 624,220 as of 2021, are one of three legally recognized Indigenous peoples in the ''Constitution Act, 1982'', along with the First Nations and Inuit. The term ''Métis'' (uppercase 'M') typically refers to the specific community of people defined as the Métis Nation, which originated largely in the Red River Valley and organized politically in the 19th century, radiati ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cree
The Cree, or nehinaw (, ), are a Indigenous peoples of the Americas, North American Indigenous people, numbering more than 350,000 in Canada, where they form one of the country's largest First Nations in Canada, First Nations. They live primarily to the north and west of Lake Superior in the Provinces and territories of Canada, provinces of Alberta, Labrador, Manitoba, the Northwest Territories, Ontario, and Saskatchewan. Another roughly 27,000 live in Quebec. In the United States, the Cree, historically, lived from Lake Superior westward. Today, they live mostly in Montana, where they share Rocky Boy's Indian Reservation with Ojibwe (Chippewa) people. A documented westward migration, over time, has been strongly associated with their roles as traders and hunters in the North American fur trade. Sub-groups and geography The Cree are generally divided into eight groups based on dialect and region. These divisions do not necessarily represent ethnic subdivisions within th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ontario Hydro
Ontario Hydro, established in 1906 as the Hydro-Electric Power Commission of Ontario, was a publicly owned electricity utility in the Province of Ontario. It was formed to build transmission lines to supply municipal utilities with electricity generated by private companies already operating at Niagara Falls, Ontario, Niagara Falls, and soon developed its own generation resources by buying private generation stations and becoming a major designer and builder of new stations. As most of the readily developed hydroelectricity, hydroelectric sites became exploited, the corporation expanded into building coal-fired generation and then nuclear power, nuclear-powered facilities. Renamed as "Ontario Hydro" in 1974, by the 1990s it had become one of the largest, fully integrated electricity corporations in North America. Origins The notion of generating electric power on the Niagara River was first entertained in 1888, when the Niagara Parks Commission solicited proposals for the constru ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gigawatts
The watt (symbol: W) is the unit of 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 quantify the rate of energy transfer. The watt is named in honor of James Watt (1736–1819), an 18th-century Scottish inventor, mechanical engineer, and chemist who improved the Newcomen engine with his own 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, the rate at which 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 volt-ampere (the latter unit, however, is used for a different quantity from the real power of an electrical circuit). \mat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rat River (Burntwood River Tributary)
The Rat River is a tributary of the Burntwood River in Manitoba, Canada. The Rat River forms the north–south part of the Churchill River Diversion. See also *Rat River (Red River of the North), a tributary of the Red River of the North *List of rivers of Manitoba This is an incomplete list of rivers of Manitoba, a province of Canada. Watersheds The entire province of Manitoba is within the Hudson Bay drainage basin: *Nelson River **Lake Winnipeg watershed ***Winnipeg River *** Red River ****Assiniboine ... References Rivers of Manitoba Tributaries of Hudson Bay {{Manitoba-river-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Churchill, Manitoba
Churchill is a subarctic port town in northern Manitoba, Canada, on the west shore of Hudson Bay, roughly from the Manitoba–Nunavut border. It is most famous for the many polar bears that move toward the shore from inland in the autumn, leading to the nickname "Polar Bear Capital of the World" and to the benefit of its burgeoning tourism industry. Geography Churchill is located on the Hudson Bay, at the mouth of the Churchill River on the 58th parallel north, far north of most Canadian populated areas. Churchill is far from any other towns or cities, with Gillam, approximately to the south, being the closest larger settlement. Manitoba's provincial capital, Winnipeg, is approximately south of Churchill. While not part of the city, Eskimo Point and Eskimo Island are located across the river at the former site of the Prince of Wales Fort. History Various nomadic Arctic peoples lived and hunted in this region. The Thule people arrived around the year 1000 from the west, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
CBC News
CBC News is the division of the Canadian Broadcasting Corporation responsible for the news gathering and production of news programs on the corporation's English-language operations, namely CBC Television, CBC Radio, CBC News Network, and CBC.ca. Founded in 1941 by the public broadcaster, CBC News is the largest news broadcaster in Canada and has local, regional, and national broadcasts and stations. It frequently collaborates with its organizationally separate French-language counterpart, Radio-Canada Info. History The first CBC newscast was a bilingual radio report on November 2, 1936. The CBC News Service was inaugurated during World War II on January 1, 1941, when Dan McArthur, chief news editor, had Wells Ritchie prepare for the announcer Charles Jennings a national report at 8:00 pm. Previously, CBC relied on The Canadian Press to provide it with wire copy for its news bulletins. Readers who followed Jennings were Lorne Greene, Frank Herbert and Earl Cameron. '' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limestone Generating Station
Limestone Generating Station is a run-of-the-river hydroelectric dam on the Nelson River approximately north of Winnipeg near Gillam, Manitoba. Part of the Nelson River Hydroelectric Project, Limestone was Manitoba Hydro's fifth and largest generating station to be built on the Nelson River. The station was built on the Nelson River at Long Spruce Rapids. The site is approximately downstream of Manitoba Hydro's Long Spruce Generating Station. The dam is owned and operated by Manitoba Hydro. It has ten generating units with a capacity of 1,330 megawatts and annual generation around 8.5 terawatt-hours. Although work at the site began in 1976 with a cofferdam completed in 1978, construction was suspended owing to a slowing of demand for electric power. The project resumed in 1985, with the first generating unit delivering power in 1990 and completion in 1992. Construction cost was $CDN 1.43 billion; favorable economic conditions at the time resulted in lower cost than budget. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
