The W. A. C. Bennett Dam is a large hydroelectric dam on the Peace River in northern British Columbia, Canada. At 183 m (660 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.

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  • The W. A. C. Bennett Dam is a large hydroelectric dam on the Peace River in northern British Columbia, Canada. At 183 m (660 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 (after the Smallwood Reservoir and Manicouagan) as well as the largest body of fresh water in British Columbia. Williston Lake runs 250 kilometers north-south and 150 kilometers east-west.The construction of the dam cost $750 million, making it the largest project of its kind in the province of BC. The dam was named after the premier because his vision played a major role in the project initiation, development and realization; the reservoir was named after the premier’s trusted cabinet colleague Ray Williston. The Gordon M. Shrum Generation Station at the W.A.C. Bennett Dam has the capacity to generate more than 13 billion kWh annually. At the time of its construction the powerhouse was the largest of its kind worldwide. In addition to the benefits related to the energy generated, the construction of the dam and the reservoir also provided economic opportunities for the province of British Columbia, for the newly founded state owned electric utility BC Hydro, and for the large number of workers. These workers were involved in the planning, construction, operation, and maintenance of the project. Considerable costs were involved in the government funded project, the clearing of the area for the reservoir, called the Trench, alone cost $5 million.The building of the dam and the reservoir were not without controversy. One controversy was caused by the significant negative environmental effects the project had on the immediate environment. In the process of creating Williston Lake, 350,000 acres of forested land was flooded. This caused the loss of plant and wildlife biodiversity as well as the loss of minerals and timber rights.A second controversy related to the fact that the land had been inhabited prior to its flooding, therefore the flooding resulted in the displacement of the residents located in the Trench. Among them were members of the Tsay Keh Dene First Nations, then known as Ingenika. The displacement had negative social impacts on the inhabitants as the loss of the land that had previously supported them meant loss of autonomy and resulted in isolation, alienation, and "social disorganization". A BC Hydro consultant admitted in 1977 that the ‘isolation imposed by the reservoir had severe impacts on Ingenika society and culture”.In last three years units 6 to 8 have been refurbished to increase the plant capacity by 90 megawatts. The last unit of them, Unit 7, was put into service on November 29, 2012.
  • Der W.-A.-C.-Bennett-Staudamm bei Hudson’s Hope in Kanada ist eine der größten Talsperren der Erde. Sie liegt nach der Größe des Speicherraums auf Platz 9.
  • La presa W. A. C. Bennett es una gran presa hidroeléctrica rellena de tierra en el río de la Paz en el norte de la Columbia Británica, Canadá. La presa, ubicada a 19 kilómetros al oeste de Hudson's Hope, y 85 kilómetros al noroeste de Chetwynd, recibe su nombre del anterior primer ministro de Canadá William A. C. Bennett y se puso en funcionamiento en el año 1968. Durante el planeamiento y la fase de construcción se le llamó "Portage Mountain Development."El complejo está formado por una presa principal de materiales sueltos, que produce el embalse llamado lago Williston, y la central eléctrica subterránea Gordon M. Shrum. Es capaz de generar 2.730 megavatios de electricidad en su máxima capacidad. La presa está construida a 660 msnm.La presa del río de la Paz fue inicialmente concebida hace más de medio siglo por la compañía eléctrica de la Columbia Británica (hoy BC Hydro), bajo la dirección de Dal Grauer. B.C. Electric obtuvo las licencias necesarias y los títulos sobre la tierra para seguir adelante con el proyecto, terminó el diseño e hizo los preparativos para ponerse a trabajar en el lugar a partir del año 1963. No obstante, los activos de esa compañía eléctrica privada fueron expropiadas por el gobierno provincial justo cuando iba a empezar la construcción de la presa. Varios de los ejecutivos superiores de B.C. Electric dejaron la recientemente creada Crown Corporation, B.C. Hydro, y la construcción se llevó a cabo con una nueva administración.
  • Le barrage W. A. C. Bennett désigne un aménagement hydroélectrique sur la rivière de la Paix, dans le nord-est de la Colombie-Britannique, au Canada. Son nom rend hommage à William Andrew Cecil Bennett, premier ministre de la Colombie-Britannique et père de BC Hydro, entreprise publique propriétaire de l'ouvrage. Il a été mis en service en 1968.Le complexe, comprend le barrage, un réservoir, le lac Williston, ainsi que la centrale Gordon M. Shrum, dont les dix groupes peuvent produire jusqu'à 2 730 mégawatts d'électricité. À raison d'une production moyenne de 13,1 térawatt-heures par année, cet aménagement hydroélectrique est le plus puissant en Colombie-Britannique, produisant à lui seul plus de 20 % de toute l'électricité consommée dans la province, en plus de figurer parmi les plus puissants au Canada, avec ceux de Robert-Bourassa, au Québec, et de Churchill Falls, au Labrador.
  • Плотина Беннетта (англ. W. A. C. Bennett Dam) — крупная гидроэлектростанция на реке Пис-Ривер на севере Британской Колумбии, Канада. Расположена в 19 км к западу от Хадсонс-Хоупа и в 85 км к северо-западу от Четвинда. Названа в честь 25-го премьер-министра Британской Колумбии Уильяма Беннетта. Введена в эксплуатацию в 1968 году. Во время проектирования и строительства носила название «Portage Mountain Development». Комплекс состоит из земляной плотины и подземной генераторной станции. Разлив Пис-Ривер образовал озеро Уиллистон. Электростанция имени Гордона М. Шрама способна вырабатывать до 2820 МВт электроэнергии и является одной из крупнейших в Канаде.
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  • Der W.-A.-C.-Bennett-Staudamm bei Hudson’s Hope in Kanada ist eine der größten Talsperren der Erde. Sie liegt nach der Größe des Speicherraums auf Platz 9.
  • The W. A. C. Bennett Dam is a large hydroelectric dam on the Peace River in northern British Columbia, Canada. At 183 m (660 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.
  • La presa W. A. C. Bennett es una gran presa hidroeléctrica rellena de tierra en el río de la Paz en el norte de la Columbia Británica, Canadá. La presa, ubicada a 19 kilómetros al oeste de Hudson's Hope, y 85 kilómetros al noroeste de Chetwynd, recibe su nombre del anterior primer ministro de Canadá William A. C. Bennett y se puso en funcionamiento en el año 1968.
  • Le barrage W. A. C. Bennett désigne un aménagement hydroélectrique sur la rivière de la Paix, dans le nord-est de la Colombie-Britannique, au Canada. Son nom rend hommage à William Andrew Cecil Bennett, premier ministre de la Colombie-Britannique et père de BC Hydro, entreprise publique propriétaire de l'ouvrage. Il a été mis en service en 1968.Le complexe, comprend le barrage, un réservoir, le lac Williston, ainsi que la centrale Gordon M.
  • Плотина Беннетта (англ. W. A. C. Bennett Dam) — крупная гидроэлектростанция на реке Пис-Ривер на севере Британской Колумбии, Канада. Расположена в 19 км к западу от Хадсонс-Хоупа и в 85 км к северо-западу от Четвинда. Названа в честь 25-го премьер-министра Британской Колумбии Уильяма Беннетта. Введена в эксплуатацию в 1968 году. Во время проектирования и строительства носила название «Portage Mountain Development». Комплекс состоит из земляной плотины и подземной генераторной станции.
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  • Плотина Беннетта
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