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Summary of Electricity Activity in Maryland

Summary of Maryland Generation

Maryland is ranked #38 out of 51 U.S. states and territories in terms of total annual net electricity generation.

GridInfo.com electricity generation data is aggregated from Jan 2001 to Jan 2025.

Companies on File143
Plants on File247
Total Generation3.47G MMBtu
Total Sales 6.22G kWh
Total Revenue $1.01B

Map of Top Producing Cities in the Maryland

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Overall National Rank

#38 /51 U.S. States

In Net Annual Generation

Overall Annual Net Geneneration

36.2 TWh

Total Annual Fuel Consumption

360.4 M MMBtu

Electric Companies in Maryland

143

Maryland
Power Plants

247

Natural Gas Rank

#30

Coal Rank

#30

Nuclear Rank

#20

Hydroelectric Rank

#30

Wind Rank

#29

Solar Rank

#24

Monthly Net Generation for Maryland

6M6M5M5M4M4M3M3M2M2M1M1M002001200120022002200320032004200420052005200620062007200720082008200920092010201020112011201220122013201320142014201520152016201620172017201820182019201920202020202120212022202220232023
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Electricity Sales Distribution

Sales Residential
Sales Commercial
Sales Industrial
Sales Transportation
54.5%40.3%4.6%

Electricity Sales, Price, and Revenue Breakdown

SalesPrice (Avg)Revenue
Residential3.39G kWh18.26 cents/kWh$618.89M
Commercial2.51G kWh14.04 cents/kWh$351.96M
Industrial288.80M kWh11.65 cents/kWh$33.65M
Transportation38.13M kWh11.54 cents/kWh$4.40M
Total6.22G kWh16.21 cents/kWh$1.01B

* Data is aggregated from Jan 2001 to Jan 2025.

Production by Source

TotalTotalNatural GasNatural GasCoalCoalNuclearNuclearHydroelectricHydroelectricHydro Electric Pumpe...Hydro Electric Pumped StorageGeothermalGeothermalUtility Scale ThermalUtility Scale ThermalPetroleum LiquidsPetroleum LiquidsPetroleum CokePetroleum CokeAll RenewablesAll RenewablesWindWindAll SolarAll SolarAll Utility SolarAll Utility SolarUtility Scale Photovolt...Utility Scale PhotovoltaicSmall Scale SolarSmall Scale SolarWoodWoodOther GasesOther GasesOther BiomassOther BiomassOtherOther36003600270027001800180090090000
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Largest 24 Power Plants in Maryland

RankPlantUtilityLocationAnnual GenerationInitial Operation DateLast UpdateFuel Types
#8AES Warrior Run Cogeneration FacilityAES WR Ltd PartnershipCumberland, Maryland726.4 GWhJul 1999Jun 2024 Bituminous Coal : 99.8%
#16Bluegrass SolarBluegrass Solar, LLCChurch Hill, Maryland160.6 GWhSep 2022Jan 2025 Solar
#5Brandon ShoresBrandon Shores LLCBaltimore, Maryland2.4 TWhApr 1984Jan 2025 Bituminous Coal : 98.8% Distillate Fuel Oil : 1.2%
#9Brandywine Power FacilityKMC Thermo, LLCBrandywine, Maryland575.5 GWhJul 1996Jan 2025 Natural Gas : 95.4% Distillate Fuel Oil : 4.6%
#1Calvert Cliffs Nuclear Power PlantConstellation NuclearLusby, Maryland14.8 TWhApr 1975Jan 2025 Nuclear
#24Central Utility Plant at White OakGSA Metropolitan Service CenterSilver Spring, Maryland73.8 GWhOct 2003Jan 2025 Natural Gas : 99.5% Distillate Fuel Oil : 0.5%
#7Chalk Point PowerLanyard Power Holdings, LLCAquasco, Maryland1.1 TWhJul 1964Jan 2025 Natural Gas : 98.7% Distillate Fuel Oil : 1.3%
#6ConowingoConstellation Power, IncDarlington, Maryland1.6 TWhFeb 1928Jan 2025 Water
#3CPV St Charles Energy CenterCPV Maryland LLCWaldorf, Maryland3.6 TWhJan 2017Jan 2025 Natural Gas
#12CriterionCriterion Power Partners LLCOakland, Maryland246.9 GWhNov 2010Jan 2025 Wind
#19Dickerson PowerLanyard Power Holdings, LLCDickerson, Maryland135.6 GWhMay 1959Jan 2025 Natural Gas : 98.2% Distillate Fuel Oil : 1.8%
#14Essential Power Rock Springs LLCEssential Power Operating Services LLCRising Sun, Maryland213.7 GWhMay 2003Dec 2023 Natural Gas
#22Fair WindFair Wind Power Partners, LLCOakland, Maryland87.1 GWhOct 2015Jan 2025 Wind
#20Fourmile RidgeFourmile Wind Energy, LLCFrostburg, Maryland115.8 GWhNov 2014Jan 2025 Wind
#18Great Bay Solar 1Great Bay Solar I LLCPrincess Anne, Maryland139.4 GWhFeb 2018Jan 2025 Solar
#13Herbert A WagnerH.A. Wagner LLCBaltimore, Maryland215.2 GWhJan 1956Jan 2025 Distillate Fuel Oil : 87.6% Natural Gas : 12.4%
#2Keys Energy CenterPSEG Keys Energy Center, LLCBrandywine, Maryland4.9 TWhJun 2018Jan 2025 Natural Gas
#11Montgomery County Resource RecoveryCovanta Montgomery, Inc.Dickerson, Maryland302.4 GWhApr 1995Jan 2025 Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.9%
#17NIH Cogeneration FacilityNational Institutes of HealthBethesda, Maryland155.8 GWhJun 2004Jan 2025 Natural Gas
#15PerrymanConstellation Power Source Generation, LLCHarford County, Maryland168.4 GWhDec 1971Jan 2025 Natural Gas : 83.4% Distillate Fuel Oil : 16.6%
#21Roth Rock Wind Farm LLCRoth Rock Wind Farm LLCOakland, Maryland98.6 GWhJul 2011Jan 2025 Wind
#23UMCP CHP PlantTrigen-Cinergy Solutions College ParkCollege Park, Maryland75.5 GWhMay 2003Dec 2023 Natural Gas : 96.3% Distillate Fuel Oil : 3.7%
#10Wheelabrator Baltimore RefuseWheelabrator Environmental SystemsBaltimore, Maryland317.3 GWhOct 1984Jan 2025 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
#4Wildcat Point Generation FacilityOld Dominion Electric CoopConowingo, Maryland3.0 TWhMar 2018Jan 2025 Natural Gas
* Data is based on the last 12 months since Jan 2025.
View All Plants in Maryland

Electricity Generation by Maryland Counties

State RankCounty# Power PlantsNet Generation
Past 12 Months		Net Generation
from Natural Gas		Net Generation
from Wind		Net Generation
from Solar		Net Generation
from Nuclear
#7Allegany County, MD4725.5 GWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#5Anne Arundel County, MD92.7 TWh26.8 GWh0.0 Wh34.1 GWh0.0 Wh
#10Baltimore city, MD11378.3 GWh45.7 GWh0.0 Wh9.4 GWh0.0 Wh
#14Baltimore County, MD2560.5 GWh0.0 Wh0.0 Wh35.4 GWh0.0 Wh
#1Calvert County, MD214.8 TWh0.0 Wh0.0 Wh0.0 Wh14.8 TWh
#22Caroline County, MD22.6 GWh0.0 Wh0.0 Wh1.3 GWh0.0 Wh
#19Carroll County, MD424.7 GWh0.0 Wh0.0 Wh24.7 GWh0.0 Wh
#4Cecil County, MD73.2 TWh3.2 TWh0.0 Wh13.2 GWh0.0 Wh
#3Charles County, MD63.7 TWh3.6 TWh0.0 Wh74.4 GWh0.0 Wh
#16Dorchester County, MD655.8 GWh0.0 Wh0.0 Wh52.9 GWh0.0 Wh
#15Frederick County, MD1158.8 GWh0.0 Wh0.0 Wh58.8 GWh0.0 Wh
#9Garrett County, MD12602.3 GWh0.0 Wh573.1 GWh9.5 GWh0.0 Wh
#6Harford County, MD181.9 TWh190.2 GWh0.0 Wh40.1 GWh0.0 Wh
#18Howard County, MD2136.8 GWh2.9 GWh0.0 Wh32.4 GWh0.0 Wh
#20Kent County, MD618.3 GWh0.0 Wh0.0 Wh18.3 GWh0.0 Wh
#8Montgomery County, MD18689.7 GWh365.0 GWh0.0 Wh22.1 GWh0.0 Wh
#2Prince George's County, MD346.7 TWh6.6 TWh0.0 Wh54.2 GWh0.0 Wh
#11Queen Anne's County, MD9198.6 GWh0.0 Wh0.0 Wh198.6 GWh0.0 Wh
#12Somerset County, MD7151.4 GWh2.2 GWh0.0 Wh146.9 GWh0.0 Wh
#23Talbot County, MD3520.0 MWh0.0 Wh0.0 Wh2.3 GWh0.0 Wh
#13Washington County, MD1979.6 GWh0.0 Wh0.0 Wh79.6 GWh0.0 Wh
#17Wicomico County, MD743.9 GWh0.0 Wh0.0 Wh28.4 GWh0.0 Wh
#21Worcester County, MD413.6 GWh-32.0 MWh0.0 Wh13.7 GWh0.0 Wh
* Net Generation data is based on the last 12 months since Dec 2023.
View All Counties in Maryland

Top 20 Electricity Producing Cities in Maryland

CityNet Generation# Power Plants
Aquasco, Maryland1.1 TWh2
Baltimore, Maryland3.0 TWh14
Barnesville, Maryland437.9 GWh2
Bethesda, Maryland155.8 GWh1
Brandywine, Maryland5.5 TWh3
Church Hill, Maryland167.9 GWh2
College Park, Maryland77.7 GWh2
Cumberland, Maryland725.5 GWh2
Darlington, Maryland1.6 TWh1
Edgewood, Maryland49.9 GWh2
Frostburg, Maryland115.8 GWh1
Hagerstown, Maryland60.3 GWh6
La Plata, Maryland52.2 GWh1
Lusby, Maryland14.8 TWh1
Oakland, Maryland478.7 GWh6
Perryman, Maryland196.3 GWh10
Princess Anne, Maryland144.1 GWh3
Rising Sun, Maryland213.7 GWh1
Silver Spring, Maryland76.0 GWh2
Waldorf, Maryland3.7 TWh2
* Data is based on the last 12 months since Jan 2025.
Browse All Cities in Maryland

Electricity Generation for Neighboring States

National RankStateNet Generation# Power Plants
#32Connecticut45.4 TWh214
#49Delaware4.9 TWh42
#51District of Columbia184.9 GWh23
#8Georgia140.0 TWh316
#17Indiana95.2 TWh271
#22Kentucky67.8 TWh85
#45Maine13.4 TWh271
#41Massachusetts20.6 TWh698
#44New Hampshire17.4 TWh74
#27New Jersey59.5 TWh475
#10New York129.0 TWh1,166
#9North Carolina136.2 TWh1,119
#6Ohio144.7 TWh291
#3Pennsylvania244.9 TWh371
#46Rhode Island10.1 TWh114
#15South Carolina100.4 TWh297
#19Tennessee75.1 TWh114
#50Vermont2.5 TWh140
#14Virginia101.8 TWh314
#31West Virginia51.1 TWh66

* Net Generation data is based on the last 12 months since Jan 2025