Power plant · Washington, United States
Grand Coulee
Grand Coulee is a power plant in Washington, United States, with 6,809 MW of capacity, owned by U S Bureau of Reclamation.
Facts
Every value links to its source, and to the source's own record where it has one. Licences and last-checked dates are per row.
| Fact | Value | Source |
|---|---|---|
| Location | Washington | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1941 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | U S Bureau of Reclamation | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | U S Bureau of Reclamation | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 6,809 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Conventional Hydroelectric | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 47.9575, -118.9773 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
Know more about this power plant, or want an introduction to its owner? Ask us.
How it compares
Grand Coulee is the largest of 17 power plants in Washington and the largest of 800 in the United States by capacity; its 6,809 MW is 0.81% of the 839,036 MW we hold for the United States. Ranks and totals cover the power plants in our data that report their capacity, not every one in existence. Power plants planned, permitted or under construction are ranked apart.
| Within | Rank | Total | Share |
|---|---|---|---|
| Washington | 1st of 17 | 22,161 MW | 31% |
| United States | 1st of 800 | 839,036 MW | 0.81% |
| All power plants in our data | 1st of 4,829 | 1,037,268 MW | 0.66% |
Owner, operator and place
More from U S Bureau of Reclamation
- Glen Canyon Dam1,312 MW
- Hoover Dam (NV)1,039 MW
- Hoover Dam (AZ)1,039 MW
- Shasta714 MW
- Sacramento River power right A00562511,153,753 acre-ft/year · power
- Sacramento River power right A0105889,990,890 acre-ft/year · power
- Rock Slough municipal and irrigation right A0056267,998,004 acre-ft/year
- Contra Costa County municipal and industrial right A0093647,818,798 acre-ft/year
Other power plants in Washington
- Chief Joseph2,456 MW
- Rocky Reach1,349 MW
- Wanapum1,220 MW
- Columbia Generating Station1,200 MW
- Boundary1,160 MW
- Priest Rapids950 MW
- Wells867 MW
- Little Goose810 MW
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.