Lower Monumental

Kahlotus, Washington

Capacity: 810 MW
Status: Operating
Fuel: Hydroelectric
Technology: Conventional Hydroelectric
Operator: USACE Northwestern Division
City: Kahlotus
County: Walla Walla County
State: Washington
Operational date: June 1969
Balancing authority: BPAT

Lower Monumental is a 810 MW hydroelectric power plant in Kahlotus, Washington. Operated by USACE Northwestern Division, it has been operating since 1969. The facility is located in Walla Walla County, within the BPAT balancing authority.

Loading map…

Nearby hydroelectric plants in Washington

Grand Coulee

Hydroelectric · Grand Coulee, Washington · Operating

6,809 MW

Chief Joseph

Hydroelectric · Bridgeport, Washington · Operating

2,456 MW

Wanapum

Hydroelectric · Beverly, Washington · Operating

2,258 MW

Rocky Reach

Hydroelectric · Wenatchee, Washington · Operating

1,349 MW

Boundary

Hydroelectric · Metaline, Washington · Operating

1,160 MW

Source: U.S. Energy Information Administration (EIA-860M)