Donald C Cook

OperatingNuclear

Ranked #1 of 3 Nuclear plants in MI#19 of 57 nationally

2285.3 MW Nuclear operating in Berrien, MI — PJM Interconnection, LLC

EIAGEMWD

2,285.3 MW

Nameplate Capacity

Generators

units

Nuclear

Technology

1975

Operating Since

Location

Coordinates

41.9756, -86.5652

County

Berrien, MI

Nearby Plants

Berrien Springs
Hydro7.2 MW · 19.9 km
Buchanan (MI)
Hydro4.4 MW · 23.3 km
Southeast Berrien Generating Facility
Landfill Gas4.8 MW · 27.3 km

Ownership & Operator

Field	EIA	GEM	Wikidata
Operator	Indiana Michigan Power Co	American Electric Power Company	American Electric Power
Owner(s)	Indiana Michigan Power Co	Commercial Development Company	—
Status	Operating	operating	—

Ownership Chain

About

Donald C. Cook Nuclear Plant is a nuclear power plant located just north of the city of Bridgman, Michigan which is part of Berrien County, on a 650-acre (260 ha) site 11 miles south of St. Joseph, Michigan, United States. The plant is owned by American Electric Power (AEP) and operated by Indiana Michigan Power, an AEP subsidiary. It has two nuclear reactors and is currently the company's only nuclear power plant.

Read more on Wikipedia

The Donald C Cook Nuclear Plant is located in Berrien County, Michigan. It is owned by Commercial Development Company and operated by Indiana Michigan Power Co. The plant has a total capacity of 2285.3 MW across two nuclear generators. The plant began operating in 1975 and is the largest of two nuclear plants in the state. Nationally, it ranks as the 18th largest of 55 nuclear plants.

In the most recent year with available data, the plant generated 17,586,009 MWh, achieving a capacity factor of 87.7%. The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. Financial data indicates an installed cost of $1242.36 per kW, according to FERC filings.

Generated from EIA, GEM, and public data sources

Wikipedia EIA Plant Profile Wikidata Global Energy Monitor

Engineering & Generators

Grid Context

NERC Region

RFC

Balancing Authority

PJM Interconnection, LLC

Grid Voltage

345 kV

Regulatory Status

Entity Type

Investor-Owned Utility

Sector

Electric Utility

Generation

1.7M MWh

Latest Month

17.6M MWh

Annual Generation

87.7%

Capacity Factor

Jan 2023 – Dec 2025

Financial DataBeta

Source: FERC Form 1HIGH

$1,775/kW

Installed Cost

$20.0/MWh

Operating Cost

Indiana Michigan Power Company

Reporting Utility

Annual Capital & Operating Expenses

Cumulative Installed Cost

Per-Unit Cost Trends

Pricing & Market Data

HIGH confidence

Point of Interconnection

Nearest Substation

Cook Substation · 765 kV

Substation Distance

< 10 km

Operator

Indiana Michigan Power

Coord Source

OSM spatial

Market Position

ISO/RTO Market

PJM

LMP Node

40243801

Pricing Hub

N ILLINOIS HUB

Node Source

EIA-860 direct report

News & Articles (10)Beta

General

I&M Power Reaches Deal to Buy Electricity from Wind Farm in NE Indiana

Indiana Michigan Power has signed a 15-year agreement with the developer of a wind farm in Blackford County.

WIBC·3 months ago

General

James W. Hill Obituary

A proud East-end kid, James W. “J.W.” Hill, left his earthly home on Thursday, December 4, 2025 to join his wife and family.

Monroe Evening News·3 months ago

Industry·corporate

First American Nuclear HQ joins I&M in building out Hoosier nuclear power industry

David Speakman. News Manager. David Speakman is the News Manager at FOX 55, leading the station's coverage of the Headwaters region of northeast Indiana and...

First American Nuclear HQ (other)I&M (other)

FOX 55 Fort Wayne·4 months ago