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

Loading map…
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.

Every plant University of Iowa reports to EIA →

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.