MD · State grid profile
Maryland power grid
Maryland's operating portfolio is led by Oil & gas, followed by Nuclear. Its 232 plants represent 12,899 MW of nameplate capacity. The dataset also reports 656 MW of proposed capacity.
Final 2024 state totalsPreliminary 2025 facilitiesCommunity-reported data centers
Coverage quality
What is complete here?
Generation portfolio
Maryland capacity by fuel
Oil & gas62.7%8,090 MW
Nuclear14.3%1,850 MW
Coal10.6%1,370 MW
Solar5.3%680 MW
Hydro4.3%551 MW
Wind1.5%190 MW
Biomass1.2%157 MW
Storage0.1%11 MW
Facility intelligence
Largest Maryland power plants
| Plant | Primary fuel | Location | Utility | Operating capacity |
|---|---|---|---|---|
| Calvert Cliffs Nuclear Power PlantPlant 6011 | Nuclear | Lusby, MDCalvert County | Constellation Nuclear | 1,850 MW |
| Chalk Point PowerPlant 1571 | Oil & gas | Aquasco, MDPrince Georges County | Chalk Point Power, LLC | 1,825 MW |
| Brandon ShoresPlant 602 | Coal | Baltimore, MDAnne Arundel County | Brandon Shores LLC | 1,370 MW |
| Wildcat Point Generation FacilityPlant 59220 | Oil & gas | Conowingo, MDCecil County | Old Dominion Electric Coop | 1,114 MW |
| KeyPlant 60302 | Oil & gas | Brandywine, MDPrince Georges County | Parkway Generation Keys Energy Center LLC | 831 MW |
| Essential Power Rock Springs LLCPlant 7835 | Oil & gas | Rising Sun, MDCecil County | Essential Power Operating Services LLC | 796 MW |
| CPV St Charles Energy CenterPlant 56846 | Oil & gas | Waldorf, MDCharles County | CPV Maryland LLC | 775 MW |
| Herbert A WagnerPlant 1554 | Oil & gas | Baltimore, MDAnne Arundel County | H.A. Wagner LLC | 774 MW |
| ConowingoPlant 1574 | Hydro | Darlington, MDHarford County | Constellation Power, Inc | 531 MW |
| PerrymanPlant 1556 | Oil & gas | Harford County, MDHarford County | Constellation Power Source Generation, LLC | 492 MW |
Methodology
Transparent by design
State totals and fuel mix use finalized EIA-860 2024 generator data. The facility table uses the EIA-860 2025 Early Release and is preliminary. Data-center counts use OpenStreetMap community records and measure mapped coverage, not the full market.