PJM Interconnection (PJM)
PJM Interconnection runs the high-voltage grid and wholesale electricity market for all or parts of 13 states and the District of Columbia, from New Jersey west to Illinois. On the map, PJM has 2,112 power plants with 213.3 GW of capacity, natural gas the largest share at 97.6 GW. Its interconnection queue holds 1,110 active requests for 126.2 GW.
Capacity by fuel
2,112 power plants with 213.3 GW of capacity, planned generators left out.
- Natural gas: 97.6 GW from 298 plants (46%)
- Coal: 35.7 GW from 42 plants (17%)
- Nuclear: 33.5 GW from 18 plants (16%)
- Solar: 19.3 GW from 1,289 plants (9%)
- Wind: 12 GW from 116 plants (6%)
- Pumped storage: 4.9 GW from 4 plants (2%)
- Oil: 4.3 GW from 125 plants (2%)
- Hydro: 3.5 GW from 75 plants (2%)
- Biomass: 1.8 GW from 110 plants (1%)
- Battery storage: 598 MW from 34 plants (under 1%)
- Other: 11 MW from 1 plant (under 1%)
Largest plants
- Bath County: Pumped storage, 2.9 GW, Virginia
- John E Amos: Coal, 2.9 GW, West Virginia
- Gavin Power, LLC: Coal, 2.7 GW, Ohio
- Rockport: Coal, 2.6 GW, Indiana
- Peach Bottom: Nuclear, 2.5 GW, Pennsylvania
- TalenEnergy Susquehanna: Nuclear, 2.5 GW, Pennsylvania
- Braidwood Generation Station: Nuclear, 2.3 GW, Illinois
- PSEG Salem Generating Station: Nuclear, 2.3 GW, New Jersey
- Byron Generating Station: Nuclear, 2.3 GW, Illinois
- LaSalle Generating Station: Nuclear, 2.3 GW, Illinois
Planned and under construction
279 generators planned, under construction or testing, 26.5 GW in all, not counted above.
- Solar: 13.8 GW
- Natural gas: 7 GW
- Wind: 4.9 GW
- Battery storage: 604 MW
- Hydro: 211 MW
Interconnection queue
1,110 active requests to connect 126.2 GW of new generation and storage, and 114 suspended requests, from Lawrence Berkeley National Laboratory's Queued Up data.
- Solar: 64.7 GW in 766 requests
- Battery storage: 28.8 GW in 235 requests
- Wind: 19.1 GW in 53 requests
- Natural gas: 11.9 GW in 42 requests
- Nuclear: 1.6 GW in 6 requests
- Other: 68 MW in 6 requests
- Hydro: 51 MW in 1 request
- Oil: 50 MW in 1 request
States and provinces
- New Jersey: 422 plants
- Illinois: 346 plants
- Pennsylvania: 279 plants
- Virginia: 260 plants
- Maryland: 252 plants
- Ohio: 219 plants
- North Carolina: 128 plants
- Indiana: 59 plants
- Delaware: 44 plants
- West Virginia: 42 plants
- Kentucky: 28 plants
- District of Columbia: 19 plants
- Michigan: 12 plants
- Minnesota: 1 plant
- Tennessee: 1 plant
Sources
Power plants: EIA-860M (US); NRCan NACEI (Canada, Mexico); WRI GPPD (Mexico); OpenStreetMap via Geofabrik (Canada, Mexico gap fill); USGS USWTDB/USPVDB; EPA eGRID; Natural Earth admin-1; HIFLD control areas; location attributes from WorldPop (R2025A), Global Solar Atlas PVOUT, Global Wind Atlas 4, USFS Wildfire Hazard Potential, the USGS National Seismic Hazard Model and the previous publish's lines and substations; water distances from OpenStreetMap via Geofabrik; gas distances and county queue from the previous publish's EIA gas pipelines and LBNL Queued Up requests; nearest city from Natural Earth populated places; cooling degree days from NOAA NCEI nClimDiv county normals; elevation and slope from the Copernicus DEM GLO-30 (ESA, via AWS Open Data); water stress from WRI Aqueduct 4.0; ozone nonattainment from the EPA Green Book; drought from the U.S. Drought Monitor; tribal land from US Census TIGER/Line. License: ODbL (derivative database; EIA content is public domain, NRCan OGL-Canada, WRI GPPD CC BY 4.0; location attributes from WorldPop, Global Solar Atlas, Global Wind Atlas, LBNL Queued Up and WRI Aqueduct CC BY 4.0, USFS, USGS, EIA, NOAA, EPA, US Census and Natural Earth public domain, Copernicus DEM GLO-30 © DLR e.V. and Airbus Defence and Space GmbH, the U.S. Drought Monitor courtesy of NDMC)
Interconnection queue requests: Lawrence Berkeley National Laboratory and GridTracker, "Queued Up". License: CC BY 4.0
ISO and RTO regions: HIFLD Control Areas grouped by EIA-930 reference tables membership; Natural Earth admin-1 provinces for IESO/AESO/HQ; carbon intensity from EPA eGRID (US) and ECCC National Inventory Report (Canada). License: Public domain (EPA eGRID, HIFLD); ECCC figures under the Open Government Licence – Canada