Mica Dam

The Mica Dam is a hydroelectric dam spanning the Columbia River 135 kilometres north of Revelstoke, British Columbia, Canada. Completed in 1973 under the terms of the 1964 Columbia River Treaty, the Mica powerhouse has a generating capacity of 1,805 megawatts (MW). The dam is operated by BC Hydro. The Mica Dam, named after the nearby settlement (now drowned under the lake) of Mica Creek and its associated stream in turn named because of the abundance of mica minerals in the area, is one of the largest earthfill dams in the world. The reservoir for the dam is Kinbasket Lake, which was created when the dam was built. Water below the dam flows south directly into Revelstoke Lake, the reservoir for the Revelstoke Dam. The dam's underground powerhouse was the second largest in the world at the time of its construction, and was the first installation of sulphur hexafluoride (SF6) insulated switchgear in North America. It is also the dam farthest up the Columbia River.

Read more about Mica Dam:  History

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Mica Dam - History
... Mica Dam was operational on March 29, 1973 ... The dam was built to a height of 244 metres (801 ft) above bedrock, near the first location of the village Mica Creek ... At the time, the dam was one of three storage dams built by the provincial power company BC Hydro, within the description of the Columbia River Treaty ...

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