In Oceana County, Michigan (MI). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.

5 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.

EIA-860M names City of Hart Hydro - (MI) 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 Hart LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City of Hart Hydro - (MI) 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 "Hart LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Hart still running?

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

Hart

Hart is a 5 MW oil-fired power plant in Oceana County, Michigan, operated by City of Hart Hydro - (MI). EIA-860M lists 3 generating units here, inside MISO. Its units entered service between 1964 and 1985.

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: 5.1 MW; 5.1 MW net summer
Generating units: 3
In service: 1964–1985
EIA plant ID: 1827

Where it is

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County: Oceana County, Michigan
Coordinates: 43.7041, -86.3663
Balancing authority: MISO
Sector: Electric Utility

Units, technology and status

Operator of record: City of Hart Hydro - (MI)
Primary energy source: Petroleum
Technologies: Natural Gas Internal Combustion Engine, Petroleum Liquids
Status: Operating

This site runs on more than one energy source. EIA-860M capacity splits: Petroleum 4 MW, Natural gas 1 MW. It is filed here under Petroleum, the source with the most capacity.

Every plant City of Hart Hydro - (MI) reports to EIA →

Hart: FAQ

Where is Hart?: In Oceana County, Michigan (MI). 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 Hart?: 5 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Hart?: EIA-860M names City of Hart Hydro - (MI) 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 Hart LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — City of Hart Hydro - (MI) 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 "Hart LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Hart still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.