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- Combustion
- Clean firm
- Loads
- Under construction
- Operating
- Size not stated
- 10 · 100 · 1,000 MW
Map
- Combustion
- Clean firm
- Loads
- Under construction
- Operating
- Size not stated
Limerick: location and 6 exact-grade projects within 25 km. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Limerick
Power plant · Nuclear
Key facts
Power plant · Nuclearran 98% of 2025 Operating- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1986
- Net generation, 2025
- 19,454,276 MWh
- Grid
- 500 kV, 230 kV to PECO Energy Co (PJM)
- Location
- Montgomery County, Pennsylvania
- Operated by
- Constellation NuclearSourceEIA-860M Preliminary Monthly Electric Generator Inventory
Output
- Nuclear
Details
Who’s behind it
No companies named in filings yet.
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- Technology
- Nuclear source: “Nuclear”
- Age
- 40 years since 1986
- Heat rate
- 10,443 Btu/kWh 2025
All 7 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| Gem |
|
| Grid |
|
| Fuel burned (MMBtu), 2025 | 203,168,524 |
| Capacity factor, 2025 | 0.975 |
| Heat rate (Btu/kWh), 2025 | 10,443.4 |
| Net generation (MWh), 2025 | 19,454,276 |
| Balancing authority code | PJM |
Timeline
- In service · EIA-860M
Sources
4 sourcesSources EIA-860M · GEM · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory
Sources
- EIA-860M Preliminary Monthly Electric Generator Inventory
- Global Energy Monitor — Global Integrated Power Tracker (unit-level power plants, eight technologies, all statuses)Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
- EIA Open Data bulk file — Electricity (ELEC.zip; monthly plant net generation and fuel consumption since 2001)Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
Around this plant
Nearby
within 25 km| Project | Kind | Away | MW |
|---|---|---|---|
| FLEXENTIAL/ UPPER PROVIDENCE TWP Built | Large load | 12.2 km | |
| VALLEY FORGE DIGITAL UTILITY FACILITY / LOWER PROVIDENCE Built | Large load | 18.3 km | |
| Pioneer Crossing Energy, LLC Postponed | Biomass | 20.3 km | 3.2 |
| THE DATA CENTERS Under construction | Large load | 20.6 km | |
| CSL BEHRING DATA CTR/KING OF PRUSSIA Built | Large load | 20.9 km | |
| West Point (PA) Under construction | Gas, reciprocating engine | 24.5 km | 2.5 |