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Wanapum Dam

Grant County, United States

The 723rd largest power station in the world

1.22 GW · Capacity

Wanapum Dam is a run-of-the-river hydroelectric project located on the Columbia River downstream (south) from Vantage, Washington where Interstate 90 crosses the Columbia from Grant County into Kittitas County. It is owned by the Grant County Public Utility District. Its reservoir is named Lake Wanapum. The dam, and its lake, are named after the Wanapum Indians. The dam has a rated capacity of 1,185 megawatts and annually generates over 4 million megawatt-hours.

Power station data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

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