University of Iowa Main Power Plant
University of Iowa Main Power Plant is a 41 MW natural gas power plant in Johnson County, Iowa, operated by University of Iowa. EIA-860M lists 8 generating units here, inside MISO. Its units entered service between 1974 and 2022.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 40.5 MW
- 40.5 MW net summer
- Generating units
- 8
- In service
- 1974–2022
- EIA plant ID
- 54775
Where it is
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- County
- Johnson County, Iowa
- Coordinates
- 41.6572, -91.54
- Balancing authority
- MISO
- Sector
- Commercial CHP
Units, technology and status
- Operator of record
- University of Iowa
- Primary energy source
- Natural gas
- Technologies
- Natural Gas Internal Combustion Engine, Natural Gas Steam Turbine, Petroleum Liquids
- Status
- Operating (7) · Out of service and NOT expected to return to service in next calendar year (1)
This site runs on more than one energy source. EIA-860M capacity splits: Natural gas 39 MW, Petroleum 2 MW. It is filed here under Natural gas, the source with the most capacity.
University of Iowa Main Power Plant: FAQ
- Where is University of Iowa Main Power Plant?
- In Johnson County, Iowa (IA). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is University of Iowa Main Power Plant?
- 41 MW of nameplate capacity across 8 units, as of the EIA-860M release for 2026-07.
- Who owns University of Iowa Main Power Plant?
- EIA-860M names University of Iowa as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as University of Iowa Main Power Plant LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — University of Iowa here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "University of Iowa Main Power Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is University of Iowa Main Power Plant still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.