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In 2020, Washington had a total summer capacity of 30,669 MW through all of its power plants, and a net generation of 116,114 GWh. [2] The electrical energy generation mix in 2022 was 67.6% hydroelectric, 12.5% natural gas, 8.4% nuclear, 6.9% wind, 3.1% coal, and 1.1% biomass which includes most refuse-derived fuel. Other gases and utility ...
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 Hoover Dam in Arizona and Nevada was the first hydroelectric power station in the United States to have a capacity of at least 1,000 MW upon completion in 1936. Since then numerous other hydroelectric power stations have surpassed the 1,000 MW threshold, most often through the expansion of existing hydroelectric facilities.
This category contains articles about hydroelectric power plants in the U.S. state of Washington. Pages in category "Hydroelectric power plants in Washington (state)" The following 53 pages are in this category, out of 53 total.
Lower Granite Lock and Dam is a concrete gravity run-of-the-river dam in southeastern Washington in the United States. On the lower Snake River , it bridges Whitman and Garfield counties. [ 6 ] Opened 50 years ago in 1975, [ 1 ] [ 7 ] [ 8 ] the dam is located 22 miles (35 km) south of Colfax and 35 miles (56 km) north of Pomeroy .
The Mossyrock Dam's power plant contains two Francis turbine hydroelectric generators, Unit #51 is rated at 210MW and Unit #52 at 185mw. MW , or 395 MW total capacity. They are fed by two of the three installed penstocks ranging from 248 – 285 feet in overall length.
Long Lake Dam is a concrete gravity dam on the Spokane River, between Lincoln County and Stevens County about 30 miles (48 km) northwest of Spokane in eastern Washington.It forms Long Lake (Washington), a 23.5 mi (37.8 km) long reservoir, and has a hydroelectric generating capacity of 71 megawatts. [1]
Cushman Dam No. 2 is a hydroelectric dam on the North Fork of the Skokomish River in Mason County, Washington, United States, forming Lake Kokanee. Built in 1930, its three 27,000 kilowatt generators provide 233 million kilowatt-hours annually to the Tacoma Power system.