Power plant · Iowa, United States
Ottumwa
Ottumwa is a power plant in Iowa, United States, with 726 MW of capacity, owned by MidAmerican Energy Co (52%) and Interstate Power and Light Co (48%).
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 | Iowa | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Status | Operating | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1981 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | MidAmerican Energy Co (52%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Owner | Interstate Power and Light Co (48%) | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Operator | Interstate Power and Light Co | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Capacity | 726 MW | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Technology | Conventional Steam Coal | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 41.0961, -92.5558 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
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How it compares
Ottumwa is the 3rd-largest of 11 power plants in Iowa and the 462nd-largest of 800 in the United States by capacity; its 726 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 |
|---|---|---|---|
| Iowa | 3rd of 11 | 7,841 MW | 9.3% |
| United States | 462nd of 800 | 839,036 MW | <0.1% |
| All power plants in our data | 505th of 4,829 | 1,037,268 MW | <0.1% |
Owners, operator and place
More from MidAmerican Energy Co
- Quad Cities Generating Station2,019 MW
- Walter Scott Jr Energy Center1,648 MW
- Louisa812 MW
- George Neal South696 MW
- George Neal North584 MW
- Greater Des Moines576 MW
- Highland Wind Project (IA)502 MW
- Orient Wind Farm501 MW
Other power plants in Iowa
- Walter Scott Jr Energy Center1,648 MW
- Louisa812 MW
- Marshalltown Generating Station709 MW
- George Neal South696 MW
- Emery Station603 MW
- George Neal North584 MW
- Greater Des Moines576 MW
- Highland Wind Project (IA)502 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.