Sierra Power House

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Upland, United States

Hydroelectric power plant

Sierra Power House Reviews | Rating 4 out of 5 stars (1 reviews)

Sierra Power House is located in Upland, United States on 3 E 9th St. Sierra Power House is rated 4 out of 5 in the category hydroelectric power plant in United States.

Address

3 E 9th St

Open hours

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C

Craig Baker

Historical Marker (missing) Inscription: Pomona Water Power Plant. The first hydroelectric installation in California for long-distance transmission of alternating current at high voltage was built in 1892 on San Antonio Creek below this spot by the San Antonio Light and Power Company organized by Dr. Cyrus Grandison Baldwin, President of Pomona College. The first high-voltage transformers built by George Westinghouse for this installation provided for transmission of 10,000 volts from this plant to Pomona. California Historical Monument 514. May 7, 1955.