Perry — 1,312 MW nuclear plant, Lake County, OH

Perry — 1,312 MW nuclear plant, Lake County, OH · Ask the Grid

Generation and physical site

EIA plant 6020 · Inventory for Sep 2026.

Reported operating nameplate by technology

Nuclear: 1,311.6 MW

Operating generators only. Battery power is in MW; stored energy is in MWh. These ratings do not establish a shared export limit.

Generator records (1)

EIA generator status and nameplate capacity for Perry
Generator	Technology	Status	Power (MW)	Energy (MWh)
1	Nuclear	Operating	1,311.6	Unknown

Physical map location · OpenStreetMap: 41.79803, -81.14456
Filed location · EIA: 41.80060, -81.14390

Sources and observation dates

Inventory source: EIA-860M workbook (preliminary)
EIA reporting month: Sep 2026
EIA retrieved: Oct 24, 2026
OSM extract: Oct 9, 2026
OSM last mapped edit: Dec 29, 2025
Map prepared: Oct 24, 2026
Field verification: Not reported

Reporting month describes the inventory. Retrieval and map preparation describe processing; an OSM edit does not establish an in-service date.

EIA source inventory

Generator	Capacity	Technology	Operation	Status
1	1,311.6 MW 1,240 MW summer	Nuclear ST	Nov 1987	Operating

Commercial, land, and environmental record

Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.

Land and environmental record

Hazardous-Waste Generator Registration

Apr 15, 2024

EPA/OEPA registration OHD025673518

NRC environmental-review response identifies OHD025673518 as Perry's hazardous-waste generator registration. Facility is classified as small-to-large quantity generator of hazardous and mixed wastes.

Source

NRC Regulatory Site Area

May 2023

Approximately 1,030 acres

The NRC license-renewal Environmental Report (dated May 2023) states the plant site is approximately 1,030 acres. This is the regulatory site-area statement used for license-renewal environmental analysis. Kept separate from owner-stated property area of 1,100 acres.

Source

Permitted Wastewater Flow

2023

88.23 MGD at primary Outfall 3IB00016004

NPDES fact sheet states representative permitted flow at Outfall 3IB00016004 is 88.23 million gallons per day. Process wastewater is treated including chlorine treatment and dechlorination before submerged Lake Erie discharge.

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Radiological Environmental Monitoring

2025

Annual Radiological Environmental Operating Report for calendar year 2025

NRC report covers radiological environmental monitoring and land-use census for January 1 through December 31, 2025, under operating-license and Offsite Dose Calculation Manual requirements.

Source

Submerged Land

410-acre submerged Lake Erie area subject to halite-extraction protection

NRC environmental-review response states lease SUB-0528-LA prevents extraction of mineral halite within a 410-acre submerged area of Lake Erie adjacent to the Perry facility.

Source

Mapped facility footprint

Mapped infrastructure geometry associated with this asset.© OpenStreetMap contributors · way/419598118

Related parties and identifiers

Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.

Relationship graph

Drag organizations to explore the network. Select a node to pin its details and available page link.

AssetOwner / operatorContractorRelated asset

Parties and identifiers

OrganizationRoleBasis

Vistra Operations Company, LLCOperatorOperator associated with Perry.

Reporting portfolio

EIA reporting entity

Energy Harbor Nuclear Generation LLC

Entity 64225

Operating portfolio

3 plants

2 states

Reported capacity

4,083.6 MW

Nuclear

Largest reported plants in this portfolio
Largest reported plants	Capacity	State
Beaver Valley	1,846.8 MW	PA
PerryCurrent	1,311.6 MW	OH
Davis Besse	925.2 MW	OH

Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.

View full reporting portfolio

Timeline and sources

Project milestones and public references behind the asset profile.

Project timeline

Nov 1987
Nov 1987
Generator enters operationEIA-860
EIA-860 lists generator 1 with this operating date.
1994
1994
Unit 2 construction suspended and canceledPerry Nucle...
Perry was originally designed as a two-unit installation. Construction on Unit 2 was suspended in 1985 and the unit was formally canceled in 1994.
Jun 2000
Jun 2000
Reactor power uprate approvedPerry, Unit...
The NRC approved a power uprate increasing Perry's rated reactor thermal power from 3,579 MWt to 3,758 MWt.
Mar 6, 2023
Mar 6, 2023
Vistra announced Energy Harbor acquisitionVistra to C...
Vistra announced a definitive agreement under which Energy Harbor Corp. would merge into a newly formed Vistra subsidiary, combining Energy Harbor's nuclear and retail businesses with Vistra's businesses.

Sources

PublisherReferenceType

U.S. Energy Information AdministrationEIA-860 generator inventoryFederal registry

U.S. Energy Information AdministrationEIA-923 generation filingsFederal filing

eia.gov2026 Generationregulatory

Common questions about Perry

Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.

How big is Perry?

Perry reports 1,311.6 MW nuclear of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Sep 2026.

What kind of plant is Perry?

Perry is a nuclear facility in Lake County, OH, participating in the PJM market.

Where is Perry located?

Perry is in Lake County, OH, inside the PJM balancing area.

Who operates Perry?

Perry is operated by Energy Harbor Nuclear Generation LLC according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.

How much electricity does Perry generate?

Perry reported 10,883.8 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.

How does Perry compare to other plants?

By capacity, Perry ranks #35 of 54 operating plants of the same technology nationally. It ranks #1 of 2 in OH.

Co-located assets

Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.

PainesvilleConventional Steam Coal, Petroleum LiquidsConventional Steam Coal, Petroleum Liquids41 MW12 km GenevaLandfill GasLandfill Gas4 MW19 km

Overview

Overview

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Infrastructure record

Profile

Structured profile

Generation and physical site

Reported operating nameplate by technology

Related assets

Beaver Valley

Davis Besse

PSEG Hope Creek Generating Station

Surry

Calvert Cliffs Nuclear Power Plant

Dresden Generating Station

Units and generators

Performance

Peer context

Monthly generation

Grid and market context

Market registration

Nearby substations

Commercial, land, and environmental record

Land and environmental record

Related parties and identifiers

Relationship graph

Parties and identifiers

Reporting portfolio

Timeline and sources

Project timeline

Sources

Common questions about Perry

How big is Perry?

What kind of plant is Perry?

Where is Perry located?

Who operates Perry?

How much electricity does Perry generate?

How does Perry compare to other plants?

Co-located assets

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