Power plant · Oregon, United States
Hermiston Generating Plant
Hermiston Generating Plant is a power plant in Oregon, United States, with 621 MW of capacity, owned by Hermiston Generating Co LP (50%) and PacifiCorp (50%).
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 | 1996 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Hermiston Generating Co LP (50%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | PacifiCorp (50%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Hermiston Generating Co LP | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 621 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Natural Gas Fired Combined Cycle | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 45.8042, -119.3700 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
Research on this power plant and its owner.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the owner.
Request researchHow it compares
Hermiston Generating Plant is the 6th-largest of 11 power plants in Oregon and the 570th-largest of 800 in the United States by capacity; its 621 MW is <0.1% 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 | 6th of 11 | 9,988 MW | 6.2% |
| United States | 570th of 800 | 839,036 MW | <0.1% |
| All power plants in our data | 654th of 12,032 | 1,190,447 MW | <0.1% |
Nearby
Within 50 km of this power plant: 728 water rights (391 active) and 13 data centers, measured from the coordinates in the facts above. The table shows the nearest 6, up to 3 per kind.
| Name | Kind | Size | Status | Distance |
|---|---|---|---|---|
| Umatilla River groundwater water right 62004 | Water right | — | Active | 0.5 km |
| Amazon Web Services | Data center | — | — | 0.6 km |
| Umatilla River water right 35598 | Water right | — | Active | 0.7 km |
| Umatilla River groundwater water right 99199 | Water right | — | Active | 0.8 km |
| Amazon Web Services | Data center | — | — | 7.2 km |
| Amazon Web Services | Data center | — | — | 9.0 km |
Owners, operator and place
Other power plants in Oregon
- John Day2,160 MW
- The Dalles1,820 MW
- Bonneville1,162 MW
- McNary991 MW
- Hermiston Power Partnership689 MW
- Beaver611 MW
- Klamath Cogeneration Plant502 MW
- Carty Generating Station500 MW
Data on this page
- Contains public sector information licensed under the Open Government Licence v3.0. DESNZ Renewable Energy Planning Database (REPD), Open Government Licence v3.0.
- Source: U.S. Energy Information Administration (Sep 2026). EIA-860 / 860M / 923, Public domain.
- JRC Open Power Plants Database (JRC-PPDB-OPEN), European Commission, Joint Research Centre. JRC Open Power Plants Database (JRC-PPDB-OPEN), CC BY 4.0.
- Bundesnetzagentur, Marktstammdatenregister. Marktstammdatenregister, DL-DE-BY-2.0.
- Dutch power station owners' and operators' pages. Dutch power station owners' and operators' pages, Facts only, each linked to its page.
- © OpenStreetMap contributors. OpenStreetMap data centers, ODbL 1.0.
- Oregon Water Resources Department water rights (points of diversion). Oregon Water Resources Department water rights (points of diversion), Public domain by statute.
- Contains public sector information licensed under the Open Government Licence v3.0. Planning Inspectorate: National Infrastructure Projects, Open Government Licence v3.0.
- RVO SDE(+)(+) projecten in beheer and SDE viewer. RVO SDE(+)(+) projecten in beheer and SDE viewer, Free reuse, no attribution required.