Bonneville Dam 1st Powerhouse
Bonneville Dam 1st powerhouse is 1,027 feet long and has two 43 megawatt and eight 54 megawatt generators for a total capacity of 518 megawatts. Construction began in 1933 and was completed in 1938 and is the oldest powerhouse in the Federal Columbia River Power System (FCRPS).

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Photo by: Hydropower Intern Program |  VIRIN: 210315-A-A1408-002.JPG