Where is Saint Marys Hospital Power Plant?

In Olmsted County, Minnesota (MN). 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 Saint Marys Hospital Power Plant?

16 MW of nameplate capacity across 5 units, as of the EIA-860M release for 2026-07.

Who owns Saint Marys Hospital Power Plant?

EIA-860M names St Mary's Hospital 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 Saint Marys Hospital Power Plant LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — St Mary's Hospital 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 "Saint Marys Hospital 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 Saint Marys Hospital Power Plant still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Saint Marys Hospital Power Plant

Saint Marys Hospital Power Plant is a 16 MW oil-fired power plant in Olmsted County, Minnesota, operated by St Mary's Hospital. EIA-860M lists 5 generating units here, inside MISO. Its units entered service between 1971 and 2020.

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: 16.3 MW; 15.8 MW net summer
Generating units: 5
In service: 1971–2020
EIA plant ID: 54262

Where it is

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County: Olmsted County, Minnesota
Coordinates: 44.0979, -92.4798
Balancing authority: MISO
Sector: Commercial CHP

Units, technology and status

Operator of record: St Mary's Hospital
Primary energy source: Petroleum
Technologies: Natural Gas Fired Combustion Turbine, Natural Gas Steam Turbine, Petroleum Liquids
Status: Operating (4) · Standby/Backup (1)

This site runs on more than one energy source. EIA-860M capacity splits: Petroleum 9 MW, Natural gas 8 MW. It is filed here under Petroleum, the source with the most capacity.

Every plant St Mary's Hospital reports to EIA →

Saint Marys Hospital Power Plant: FAQ

Where is Saint Marys Hospital Power Plant?: In Olmsted County, Minnesota (MN). 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 Saint Marys Hospital Power Plant?: 16 MW of nameplate capacity across 5 units, as of the EIA-860M release for 2026-07.
Who owns Saint Marys Hospital Power Plant?: EIA-860M names St Mary's Hospital 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 Saint Marys Hospital Power Plant LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — St Mary's Hospital 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 "Saint Marys Hospital 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 Saint Marys Hospital Power Plant still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.