Donald C Cook

Donald C Cook is a 2 GW nuclear power plant in Berrien County, Michigan, operated by Indiana Michigan Power Co. EIA-860M lists 2 generating units here, inside PJM. Its units entered service between 1975 and 1978.

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
2,285.3 MW
2,177 MW net summer
Generating units
2
In service
1975–1978
EIA plant ID
6000

Where it is

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County
Berrien County, Michigan
Coordinates
41.9756, -86.5652
Balancing authority
PJM
Sector
Electric Utility

Units, technology and status

Operator of record
Indiana Michigan Power Co
Primary energy source
Nuclear
Technologies
Nuclear
Status
Operating

Every plant Indiana Michigan Power Co reports to EIA →

Donald C Cook: FAQ

Where is Donald C Cook?
In Berrien 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 Donald C Cook?
2 GW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
Who owns Donald C Cook?
EIA-860M names Indiana Michigan Power Co 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 Donald C Cook LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Indiana Michigan Power Co 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 "Donald C Cook LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Donald C Cook still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.