Power plant · South Dakota, United States
Oahe
Oahe is a power plant in South Dakota, United States, with 786 MW of capacity, owned by USACE-Omaha.
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 | South Dakota | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1962 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | USACE-Omaha | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | USACE-Omaha | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 786 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 | 44.4504, -100.3866 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
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How it compares
Oahe is the largest of 3 power plants in South Dakota and the 418th-largest of 800 in the United States by capacity; its 786 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 |
|---|---|---|---|
| South Dakota | 1st of 3 | 1,775 MW | 44% |
| United States | 418th of 800 | 839,036 MW | <0.1% |
| All power plants in our data | 455th of 4,829 | 1,037,268 MW | <0.1% |
Owner, operator and place
More from USACE-Omaha
- Garrison583 MW
- Big Bend Dam538 MW
Other power plants in South Dakota
- Big Bend Dam538 MW
- Big Stone451 MW
- Toronto Power Plant145 MW · planned
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.