Cleanview

Nuclear power plants in Pennsylvania

Pennsylvania has 5 operating nuclear power plants with 11 GW of capacity.

  • Operating5
PhiladelphiaPittsburghHarrisburgAllentownErie

Under 250 MW250–999 MW1 GW and up

Updated monthly. Last updated November 2026.

The largest nuclear power plants in Pennsylvania

Operating, by capacity

#Nuclear power plantYear onlineCapacity
1Peach Bottom19742,876 MW
2TalenEnergy Susquehanna19852,532 MW
3Limerick19902,277 MW
4Beaver Valley19871,847 MW
5Crane Clean Energy Center1974981 MW

Nuclear power plants that came online most recently in Pennsylvania

Newest first

#Nuclear power plantYear onlineCapacity
1Limerick19902,277 MW
2Beaver Valley19871,847 MW
3TalenEnergy Susquehanna19852,532 MW
4Peach Bottom19742,876 MW
5Crane Clean Energy Center1974981 MW
The developer behind each project is on paid plans. See plans

How Cleanview tracks nuclear power plants

Operating nuclear power plants come from the EIA's monthly survey of power plants. Planned projects come from the grid operators' interconnection queues. We research who is developing each one, since a queue lists a project company, not its owner.

Questions about nuclear power plants in Pennsylvania

How many nuclear power plants are in Pennsylvania?
Pennsylvania has 5 operating utility-scale nuclear power plants with 11 GW of capacity, according to the EIA's monthly survey of power plants.
What is the largest nuclear power plant in Pennsylvania?
Peach Bottom in York County, Pennsylvania is the largest, at 2,876 MW. It came online in 1974.
How many nuclear power plants were built in Pennsylvania in 2025?
0 nuclear power plants came online in Pennsylvania in 2025, with 0 MW of capacity.
Who is developing nuclear power plants in Pennsylvania?
Interconnection queues list each project under a project company, not the developer behind it. Cleanview researches the developer of every project and has them on paid plans.

More energy trackers for Pennsylvania

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