Osage (IA)

Osage (IA) is a 19 MW natural gas power plant in Mitchell County, Iowa, operated by City of Osage - (IA). EIA-860M lists 6 generating units here, inside MISO. Its units entered service between 1963 and 2016.

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
19 MW
17.6 MW net summer
Generating units
6
In service
1963–2016
EIA plant ID
1172

Where it is

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County
Mitchell County, Iowa
Coordinates
43.2797, -92.8106
Balancing authority
MISO
Sector
Electric Utility

Units, technology and status

Operator of record
City of Osage - (IA)
Primary energy source
Natural gas
Technologies
Natural Gas Internal Combustion Engine, Onshore Wind Turbine, Petroleum Liquids, Solar Photovoltaic
Status
Standby/Backup (4) · Operating (2)

This site runs on more than one energy source. EIA-860M capacity splits: Natural gas 9 MW, Petroleum 7 MW, Wind 2 MW, Solar 1 MW. It is filed here under Natural gas, the source with the most capacity.

Every plant City of Osage - (IA) reports to EIA →

Osage (IA): FAQ

Where is Osage (IA)?
In Mitchell 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 Osage (IA)?
19 MW of nameplate capacity across 6 units, as of the EIA-860M release for 2026-07.
Who owns Osage (IA)?
EIA-860M names City of Osage - (IA) 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 Osage (IA) LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City of Osage - (IA) 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 "Osage (IA) LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Osage (IA) still running?
EIA-860M files it as "Standby/Backup" for 2026-07. Statuses change monthly, and this page follows the monthly release.