Crane Clean Energy Center

Out of serviceNuclearGEM: retired

Ranked #5 of 5 Nuclear plants in PA#48 of 57 nationally

980.8 MW Nuclear out of service in Dauphin, PA — PJM Interconnection, LLC

EIAGEMWD

980.8 MW

Nameplate Capacity

Generators

unit

Nuclear

Technology

1974

Operating Since

Location

Coordinates

40.1515, -76.7232

County

Dauphin, PA

Nearby Plants

York Haven
Hydro19.6 MW · 4.3 km
Brunner Island
Natural Gas1616.1 MW · 6.6 km
Strinestown Solar
Solar79.6 MW · 7.0 km

Status

Latest milestonegrid reconnection dispute · 2025-11American Nuclear Society -- ANS · 2026-04-05

Expected COD2027American Nuclear Society -- ANS · 2026-04-05

Delay reasongrid interconnection rights transfer pending FERC approvalAmerican Nuclear Society -- ANS · 2026-04-05

Ownership & Operator

Owner data does not fully agree across sources.

EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.

Field	EIA	GEM	Wikidata
Operator	Constellation Nuclear	Exelon Generation	Exelon
Owner(s)	Constellation Nuclear	Exelon	Exelon
Status	Out of service	retired	—

Ownership Chain

DeveloperConstellation±FOX43 · 2025-11-18

PartnerMicrosoftTribLIVE.com · 2026-04-14

About

Three Mile Island Nuclear Generating Station, is a shut-down nuclear power plant on Three Mile Island in Pennsylvania, US, on the Susquehanna River just south of Harrisburg. It has two separate units, Unit 1 (TMI-1) and Unit 2 (TMI-2).

Read more on Wikipedia

Crane Clean Energy Center is a 980.8 MW nuclear power plant located in Dauphin County, Pennsylvania. The plant, which began operating in 1974, has one generator and is owned by Exelon. Constellation Nuclear is the listed operator per EIA data. Crane Clean Energy Center is the 5th largest power plant in Pennsylvania and ranks 46th nationally among nuclear facilities.

The plant operates within the PJM Interconnection market and balancing authority, and is located within the RFC NERC region. The latest available annual generation data indicates an output of 5,214,196 MWh, achieving a capacity factor of 73.0%.

Generated from EIA, GEM, and public data sources