GridPlants

Perry

NuclearOhioFirst unit online 1987

Perry is a nuclear plant in Lake County, Ohio, operated by Energy Harbor Nuclear Generation LLC. It ranks fifth by nameplate capacity among Ohio’s 215 power plants. Its biggest unit, rated at 1,312 MW, is the largest single generator in Ohio.

Nameplate capacity, 2025

1,312 MW

1,240 MW net summer capacity

1 operable unit

  • Nuclear1,312 MW100%

Unit by unit, 1987 to 2025

operating in 2025bar height follows unit size

Unit 1 Nuclear, 1,312 MW, 1987

Among Ohio’s plants

Largest plants in the state by nameplate capacity, with the plants ranked next to this one.

  1. 1Gavin Power, LLC2,600 MW
  2. 2Guernsey Power Station2,055 MW
  3. 3Cardinal1,880 MW
  4. 4Hanging Rock Energy Facility1,430 MW
  5. 5Perrythis plant
  6. 6South Field Energy1,210 MW
  7. 7Miami Fort1,181 MW

All power plants in Ohio

Other rankings

All US power plants
181st of 14,286
US nuclear plants
35th of 56
Nuclear plants in Ohio
1st of 2
Plants in the PJM Interconnection balancing area
45th of 2,049
Plants run by Energy Harbor Nuclear Generation LLC
2nd of 3

Operable units

UnitTechnologyNameplateSummerOnlineStatus
1Nuclear1,312 MW1,240 MW1987Operating

Grid and site

Balancing area
PJM Interconnection
Reliability region
ReliabilityFirst
Highest grid connection voltage
345 kV
Water source
Lake Erie
Nearest town on record
Perry
Operator type
Independent producer
Coordinates
41.801°N, 81.144°W

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