Power plant · Oklahoma, United States
Southwestern
Southwestern is a power plant in Oklahoma, United States, with 658 MW of capacity, owned by Public Service Co of Oklahoma.
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 | Oklahoma | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1952 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Public Service Co of Oklahoma | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Public Service Co of Oklahoma | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 658 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Natural Gas Steam Turbine | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 35.1009, -98.3524 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
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How it compares
Southwestern is the 14th-largest of 20 power plants in Oklahoma and the 534th-largest of 800 in the United States by capacity; its 658 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 |
|---|---|---|---|
| Oklahoma | 14th of 20 | 19,913 MW | 3.3% |
| United States | 534th of 800 | 839,036 MW | <0.1% |
| All power plants in our data | 581st of 4,829 | 1,037,268 MW | <0.1% |
Owner, operator and place
More from Public Service Co of Oklahoma
- Northeastern1,478 MW
- Riverside (OK)1,122 MW
- Traverse Wind Project, LLC999 MW
- Green Country Power Station904 MW
Other power plants in Oklahoma
- Muskogee1,716 MW
- Seminole (OK)1,701 MW
- Northeastern1,478 MW
- Redbud Power Plant1,434 MW
- Kiamichi Energy Facility1,370 MW
- Oneta Energy Center1,214 MW
- GREC1,194 MW
- Sooner1,138 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.