Power plant · Oregon, United States
John Day
John Day is a power plant in Oregon, United States, with 2,160 MW of capacity, owned by USACE Northwestern Division.
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 | Oregon | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1968 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | USACE Northwestern Division | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | USACE Northwestern Division | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 2,160 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 | 45.7164, -120.6941 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
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How it compares
John Day is the largest of 11 power plants in Oregon and the 58th-largest of 800 in the United States by capacity; its 2,160 MW is 0.26% 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 |
|---|---|---|---|
| Oregon | 1st of 11 | 9,988 MW | 22% |
| United States | 58th of 800 | 839,036 MW | 0.26% |
| All power plants in our data | 60th of 4,829 | 1,037,268 MW | 0.21% |
Nearby
Within 50 km of this power plant: 1 data center (154 MW), measured from the coordinates in the facts above.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Google The Dalles | Data center | 154 MW | Operating | 41 km |
Owner, operator and place
More from USACE Northwestern Division
- Chief Joseph2,456 MW
- The Dalles1,820 MW
- Bonneville1,162 MW
- McNary991 MW
- Little Goose810 MW
- Lower Monumental810 MW
- Lower Granite810 MW
- Ice Harbor603 MW
Other power plants in Oregon
- The Dalles1,820 MW
- Bonneville1,162 MW
- McNary991 MW
- Hermiston Power Partnership689 MW
- Hermiston Generating Plant621 MW
- Beaver611 MW
- Klamath Cogeneration Plant502 MW
- Carty Generating Station500 MW
Data on this page
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- Epoch AI. Epoch AI data centers, CC BY 4.0.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.