Power plant · Iowa, United States
Dubuque Power Plant
Dubuque Power Plant is a closed gas power plant in Iowa, United States, with 85.2 MW of capacity, operated by Interstate Power and Light Co.
Grid connection
It closed in 2017, which freed up an 85 MW grid connection at 69 kV to the grid of ITC Midwest LLC, unless it has been reassigned since.
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 | Closed | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Start year | 1929 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| End year | 2017 | 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 | 85.2 MW (nameplate of its retired generators) | 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 |
| Grid operator | ITC Midwest LLC | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Voltage | 69 kV | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
| Coordinates | 42.5031, -90.6586 | EIA-860 / 860M / 923 · Public domain · checked 24 Oct 2026 |
Research on this power plant and its operator.Who owns it up to the parent company, its grid connection and planning status, and an introduction to the operator.
Request researchHow it compares
Dubuque is the 17th-largest of 19 power plants in Iowa and the 962nd-largest of 1,009 in the United States by capacity; its 85.2 MW is <0.1% of the 917,512 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 | 17th of 19 | 9,232 MW | 0.92% |
| United States | 962nd of 1,009 | 917,512 MW | <0.1% |
| All power plants in our data | 2,795th of 15,799 | 1,918,113 MW | <0.1% |
Timeline
Dated facts about this power plant from its sources, oldest first.
- Started operating
- Retired
Operator, grid operator and place
More from Interstate Power and Light Co
- Ottumwa726 MW
- Marshalltown Generating Station709 MW
- George Neal South696 MW
- Emery Station603 MW
- Lansing341 MW
- Burlington (IA)291 MW
- Milton L Kapp237 MW
- Sutherland157 MW
Other power plants in Iowa
- Walter Scott Jr Energy Center1,648 MW
- Louisa812 MW
- Ottumwa726 MW
- Marshalltown Generating Station709 MW
- George Neal South696 MW
- Emery Station603 MW
- George Neal North584 MW
- Greater Des Moines576 MW
Data on this page
- Contains public sector information licensed under the Open Government Licence v3.0. DUKES 5.11: Power stations in the United Kingdom, Open Government Licence v3.0.
- 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.
- 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.
- Wikidata. Wikidata, CC0 1.0.