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Snoqualmie Falls Hydroelectric Plant

1899 establishments in Washington (state)1910 establishments in Washington (state)Buildings and structures in King County, WashingtonDams completed in 1899Dams in Washington (state)
Dams on the National Register of Historic Places in Washington (state)Energy infrastructure completed in 1899Energy infrastructure completed in 1910Energy infrastructure on the National Register of Historic PlacesHistoric American Engineering Record in Washington (state)Historic Civil Engineering LandmarksHydroelectric power plants in Washington (state)National Register of Historic Places in King County, WashingtonPuget Sound EnergyRun-of-the-river power stationsUnderground power stationsUse mdy dates from February 2021Weirs
Snoqualmie Falls Power Plant No. 2 02
Snoqualmie Falls Power Plant No. 2 02

The Snoqualmie Falls Hydroelectric Plant is located just north of Snoqualmie in King County, Washington state, US. It is situated about 22 mi (35 km) east of Seattle. Located just below the Snoqualmie Falls, the power plant consists of two power houses, Plant 1 and Plant 2. Plant 1 was completed in 1899 and is located underground. It is the first completely underground hydroelectric power plant ever built in the world. Plant 2 was built in 1910 and is located along the right bank of the Snoqualmie River. Both plants receive water from a small reservoir created by a weir atop the falls. Plant 1 has an installed capacity of 13.7 MW and Plant 2 a capacity of 40.2 MW for a total installed capacity of 53.9 MW, enough to power 40,000 homes.Plant 1 was added to the National Register of Historic Places as Snoqualmie Falls Cavity Generating Station on April 23, 1976. In 1981, Plant 1 was also designated as an National Historic Civil Engineering Landmark by the American Society of Civil Engineers. The power plant is owned by Puget Sound Energy. In 1992, Snoqualmie Falls Hydroelectric Power Plant Historic District was added to the National Register of Historic Places.

Excerpt from the Wikipedia article Snoqualmie Falls Hydroelectric Plant (License: CC BY-SA 3.0, Authors, Images).

Snoqualmie Falls Hydroelectric Plant
Snoqualmie Falls Boardwalk,

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N 47.544305555556 ° E -121.84146388889 °
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Snoqualmie Falls Boardwalk

Snoqualmie Falls Boardwalk
98065
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Snoqualmie Falls Power Plant No. 2 02
Snoqualmie Falls Power Plant No. 2 02
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Snoqualmie Falls
Snoqualmie Falls

Snoqualmie Falls is a 268-foot (82 m) waterfall in the northwest United States, located east of Seattle on the Snoqualmie River between Snoqualmie and Fall City, Washington. It is one of Washington's most popular scenic attractions and is known internationally for its appearance in the television series Twin Peaks. More than 1.5 million visitors come to the Falls every year, where there is a two-acre (0.8 ha) park, an observation deck, and a gift shop. Most of the river is diverted into the power plants, but at times the river is high enough to flow across the entire precipice, which creates an almost blinding spray. High water occurs following a period of heavy rains or snow followed by warm rainy weather. This can occur during the rainy season which lasts from November through March. During high water, the falls take on a curtain form. For the Snoqualmie People, who have lived since time immemorial in the Snoqualmie Valley in western Washington, Snoqualmie Falls is central to their culture, beliefs, and spirituality. A traditional burial site, to the Snoqualmie, the falls are "the place where First Woman and First Man were created by Moon the Transformer" and "where prayers were carried up to the Creator by great mists that rise from the powerful flow." The mists rising from the base of the waterfall are said to serve to connect Heaven and Earth.The falls were first nominated for the National Register of Historic Places in 1992 as a Traditional Cultural Property for its association with the beliefs of the Snoqualmie people. However, the property owner, Puget Sound Energy, objected to the listing. The falls were subsequently determined eligible for listing in the National Register. The owners rescinded their objection and on September 2, 2009, the falls were formally listed in the National Register. In October 2019, the Snoqualmie Indian Tribe purchased the Salish Lodge as well as 45 acres of surrounding land for $125 million.