Daniel-Johnson dam

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The Daniel-Johnson dam (French: Barrage Daniel-Johnson), formerly known as Manicouagan 5 (abbreviated as Manic-5), is a multiple-arch buttress dam on the Manicouagan River that creates the annular Manicouagan Reservoir. The dam is composed of 14 buttresses and 13 arches and is 214 km (133 mi) north of Baie-Comeau in Quebec, Canada. The dam was constructed between 1959 and 1970 for the purpose of hydroelectric power production and supplies water to the Manic-5 and Manic-5-PA power houses with a combined capacity of 2,660 MW. The dam is 214 m (702 ft) tall, 1,314 m (4,311 ft) long and contains 2,200,000 m3 (2,900,000 yd3) of concrete, making it the largest dam of its type in the world. The dam was named after Daniel Johnson Sr., the 20th Premier of Quebec, responsible for starting the project while serving as a minister in Duplessis's government. Johnson died on 26 September 1968, the day he was to preside over the scheduled inauguration of the dam. The facility is owned and operated by Hydro-Québec.