# Pa. study targets retired power plants for reactivation

> Pennsylvania aims to reactivate 21 retired power sites to boost grid reliability.
- Title: Pa. study targets retired power plants for reactivation
- Summary: Pennsylvania aims to reactivate 21 retired power sites to boost grid reliability. Pennsylvania's PATER study identifies 21 sites for new power generation to…
- Keywords: pater study, pennsylvania, power plants, grid reliability, data centers, energy grid, renewables, small modular reactors, puc, team pennsylvania, pjm interconnection, electricity demand
- Source: PhillyVoice — https://phillyvoice.com/pa-study-retired-power-plant-sites-reactivated
- Published: 2026-10-17T09:01:00.312+00:00
- Read time: 2 min
- Topics: pater study, pennsylvania, power plants, grid reliability, data centers, energy grid, renewables, small modular reactors, puc, team pennsylvania, pjm interconnection, electricity demand
## Pennsylvania study begins
A $2 million U.S. Department of Energy grant funds a study to identify retired power plant sites for reactivation in Pennsylvania.
## Study aims to narrow sites
The program will narrow 76 decommissioned sites to 21 locations with potential for quick new power generation deployment.
## Grid reliability focus
The study targets sites to address unprecedented electricity demand from data centers and industrial users.
## Economic development goal
Team Pennsylvania says the study will revitalize communities with industrial legacies to create long-term economic growth.
## PUC involvement
The Pennsylvania Public Utility Commission (PUC) partners with KeyLogic Systems and Team Pennsylvania on the study.
## Study timeline
The PUC held a three-hour hearing on October 5, with public meetings scheduled through March 2027.
## Grid capacity analysis
The study found transmission capacity at 9 gigawatts statewide, indicating the grid can support new generation and load development.
## Site characteristics
Most sites are within a mile of transmission lines and substations, with half less than 1.5 miles from natural gas pipelines.
## Site size variations
Average decommissioned coal sites are 200 acres, while natural gas and oil sites average less than 100 acres.
## Potential risks
The study identifies groundwater contamination, flooding and geological issues as potential risks at redevelopment sites.
## Investment opportunities
Constellation Energy and Google announced a $4.3 billion commitment to upgrade nuclear power plants in Pennsylvania.
## PJM grid updates
PJM has cleared a backlog of projects and reformed its review process to prioritize proposals with significant financial commitments.
## Grid reliability concerns
A September PUC report warns of rolling blackouts even with new power generation over the next 15 years.
## Next steps
The study will provide guidance for investors on where new power plants can be added to the grid to power homes and businesses.
## Key takeaway

Pennsylvania's PATER study identifies 21 sites for new power generation to address grid strain from data centers and industrial demand.