Largest power plants in Maryland

The 50 largest power plants in Maryland by nameplate capacity, from EIA-860M for August 2026, with 2025 net generation from EIA-923.

Plants

50

Nameplate capacity

13,115 MW

Net generation, 2025

36.8 TWh

46 of 50 plants reported

Top 50 by nameplate capacity

#PlantMW2025 net generation, GWhGWh, 2025Capacity factorOperator
1Calvert Cliffs Nuclear Power PlantCalvert County · Nuclear1,85014,79591.3%Constellation Nuclear
2Chalk Point PowerPrince Georges County · Natural gas1,8251,70310.7%Chalk Point Power, LLC
3Brandon ShoresAnne Arundel County · Coal1,3702,32619.4%Brandon Shores LLC
4Wildcat Point Generation FacilityCecil County · Natural gas1,1143,333–Old Dominion Electric Coop
5KeyPrince Georges County · Natural gas8314,37160.1%Parkway Generation Keys Energy Center LLC
6Essential Power Rock Springs LLCCecil County · Natural gas7964085.8%Essential Power Operating Services LLC
7CPV St Charles Energy CenterCharles County · Natural gas7754,71869.5%CPV Maryland LLC
8Herbert A WagnerAnne Arundel County · Oil774186–H.A. Wagner LLC
9ConowingoHarford County · Hydro5311,54933.3%Constellation Power, Inc
10PerrymanHarford County · Natural gas and oil4922515.8%Constellation Power Source Generation, LLC
11Dickerson PowerMontgomery County · Natural gas3262378.3%Dickerson Power, LLC
12Brandywine Power FacilityPrince Georges County · Natural gas28969927.6%Alpha Generation Brandywine, LLC
13Morgantown Generating PlantCharles County · Oil2604.9*0.4%Lanyard Power Holdings, LLC
14Vienna OperationsDorchester County · Oil18113.20.8%NRG Vienna Operations Inc
15CPV Backbone SolarGarrett County · Solar1757.5*–CPV Backbone Solar, LLC
16Cherrywood Solar ICaroline County · Solar145––Cherrywood Solar, LLC
17Great Bay Solar 1Somerset County · Solar11813513.0%Great Bay Solar I LLC
18NRG Chalk Point CTPrince Georges County · Oil947.10.9%NRG Chalk Point CT
19PhiladelphiaBaltimore City · Oil839.31.3%Constellation Power Source Generation, LLC
20CriterionGarrett County · Wind7025741.8%Criterion Power Partners LLC
21Montgomery County Resource RecoveryMontgomery County · Municipal solid waste6825442.8%Covanta Montgomery, Inc.
22Wheelabrator Baltimore RefuseBaltimore City · Municipal solid waste6529452.1%Wheelabrator Environmental Systems
23Jones Farm SolarQueen Annes County · Solar6471.1*–Urban Grid Solar
24Morgnec SolarKent County · Solar56––Urban Grid Solar
25Dans MountainAllegany County · Wind5590.1*–Dans Mountain Wind Force, LLC
26Central Utility Plant at White OakMontgomery County · Natural gas5293.719.7%GSA Metropolitan Service Center
27Egypt Road SolarDorchester County · Solar510.7*–Urban Grid Solar
28Richfield Solar Energy LLCDorchester County · Solar50––Invenergy Services LLC
29Roth Rock Wind Farm LLCGarrett County · Wind4010630.3%Roth Rock Wind Farm LLC
30Fourmile RidgeGarrett County · Wind4012034.1%Fourmile Wind Energy, LLC
31Bluegrass Solar 2Queen Annes County · Solar4075.721.6%MN8 Energy LLC
32Bluegrass SolarQueen Annes County · Solar4074.3–MN8 Energy LLC
33Easton 2Talbot County · Oil394.41.3%Easton Utilities Comm
34EastonTalbot County · Oil312.71.0%Easton Utilities Comm
35Fair WindGarrett County · Wind3085.832.7%Fair Wind Power Partners, LLC
36Fairview FarmsHarford County · Solar3023.99.1%Madison Energy Investments LLC
37NIH Cogeneration FacilityMontgomery County · Natural gas2815262.1%National Institutes of Health
38RipleyCharles County · Solar2844.218.3%MN8 Energy LLC
39Maryland SolarWashington County · Solar2726.011.0%Arevon Energy, Inc.
40Fort Detrick Solar PVFrederick County · Solar and battery storage2219.715.0%Montevue Lane Solar, LLC
41Deep CreekGarrett County · Hydro2014.48.2%BP Piney & Deep Creek LLC
42LeGore Bridge Solar CenterFrederick County · Solar203.1–LeGore Bridge Solar Center, LLC
43Todd SolarDorchester County · Solar2031.518.0%Invenergy Services LLC
44Jade Meadow LLCAllegany County · Solar2032.118.5%Jade Meadow LLC
45Domino Sugar BaltimoreBaltimore City · Natural gas1854.235.3%American Sugar Refining, Inc.
46Biggs Ford Solar CenterFrederick County · Solar1510.1–Biggs Ford Solar Center, LLC
47Mount Saint Mary'sFrederick County · Solar1416.413.6%Constellation Solar Horizons LLC
48Longview SolarWicomico County · Solar1422.518.9%MN8 Energy LLC
49Annapolis Solar Park, LLCAnne Arundel County · Solar1222.921.8%Novis Renewables, LLC
50Kieffer FunkWashington County · Solar12––Standard Solar

* Fewer than 12 months of 2025 reported, so the total is partial.

MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources

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