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 Feb 2024.

Companies on File132
Plants on File223
Total Generation1.96G MMBtu
Total Sales 4.79G kWh
Total Revenue $722.87M

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

38.3 TWh

Total Annual Fuel Consumption

344.8 M MMBtu

Electric Companies in Maryland

132

Maryland
Power Plants

223

Natural Gas Rank

#34

Coal Rank

#36

Nuclear Rank

#26

Hydroelectric Rank

#18

Wind Rank

#31

Solar Rank

#21

Monthly Net Generation for Maryland

Electricity Sales Distribution

Electricity Sales, Price, and Revenue Breakdown

SalesPrice (Avg)Revenue
Residential2.39G kWh17.60 cents/kWh$420.60M
Commercial2.10G kWh12.91 cents/kWh$271.10M
Industrial260.45M kWh10.36 cents/kWh$26.99M
Transportation36.36M kWh11.48 cents/kWh$4.18M
Total4.79G kWh15.10 cents/kWh$722.87M

Production by Source

Largest 24 Power Plants in Maryland

RankPlantUtilityLocationAnnual GenerationInitial Operation DateLast UpdateFuel Types
#7AES Warrior Run Cogeneration FacilityAES WR Ltd PartnershipCumberland, Maryland771.3 GWhJul 1999Feb 2024 Bituminous Coal : 99.8%
#18Bluegrass SolarBluegrass Solar, LLCChurch Hill, Maryland170.8 GWhSep 2022Feb 2024 Solar
#6Brandon ShoresBrandon Shores LLCBaltimore, Maryland1.3 TWhApr 1984Feb 2024 Bituminous Coal : 98.7% Distillate Fuel Oil : 1.3%
#9Brandywine Power FacilityKMC Thermo, LLCBrandywine, Maryland679.8 GWhJul 1996Feb 2024 Natural Gas : 99.6%
#1Calvert Cliffs Nuclear Power PlantConstellation NuclearLusby, Maryland15.7 TWhApr 1975Feb 2024 Nuclear
#21Central Utility Plant at White OakGSA Metropolitan Service CenterSilver Spring, Maryland104.6 GWhOct 2003Feb 2024 Natural Gas : 99.8%
#8Chalk Point PowerLanyard Power Holdings, LLCAquasco, Maryland721.6 GWhJul 1964Feb 2024 Natural Gas : 99.6%
#5ConowingoConstellation Power, IncDarlington, Maryland2.0 TWhFeb 1928Feb 2024 Water
#10Cove Point LNG TerminalDominion Cove Point LNG, LPLusby, Maryland671.8 GWhDec 1977Feb 2022 Natural Gas
#4CPV St Charles Energy CenterCPV Maryland LLCWaldorf, Maryland4.4 TWhJan 2017Feb 2024 Natural Gas
#16CriterionCriterion Power Partners LLCOakland, Maryland200.0 GWhNov 2010Feb 2024 Wind
#12Dickerson PowerLanyard Power Holdings, LLCDickerson, Maryland291.7 GWhMay 1959Feb 2024 Natural Gas : 99.6%
#15Essential Power Rock Springs LLCEssential Power Rock Springs LLCRising Sun, Maryland228.2 GWhMay 2003Dec 2022 Natural Gas
#24Fair WindFair Wind Power Partners, LLCOakland, Maryland91.7 GWhOct 2015Feb 2024 Wind
#20Fourmile RidgeFourmile Wind Energy, LLCFrostburg, Maryland121.0 GWhNov 2014Feb 2024 Wind
#19Great Bay Solar 1Great Bay Solar I LLCPrincess Anne, Maryland149.5 GWhFeb 2018Feb 2024 Solar
#2Keys Energy CenterPSEG Keys Energy Center, LLCBrandywine, Maryland4.8 TWhJun 2018Feb 2024 Natural Gas
#13Montgomery County Resource RecoveryCovanta Montgomery, Inc.Dickerson, Maryland270.6 GWhApr 1995Feb 2024 Non-biogenic Municipal Solid Waste : 54.4% Biogenic Municipal Solid Waste : 44.5% Natural Gas : 1.1%
#17NIH Cogeneration FacilityNational Institutes of HealthBethesda, Maryland191.2 GWhJun 2004Feb 2024 Natural Gas
#14PerrymanConstellation Power Source Generation, LLCHarford County, Maryland244.7 GWhDec 1971Feb 2024 Natural Gas : 96.1% Distillate Fuel Oil : 3.9%
#22Roth Rock Wind Farm LLCRoth Rock Wind Farm LLCOakland, Maryland102.6 GWhJul 2011Feb 2024 Wind
#23UMCP CHP PlantTrigen-Cinergy Solutions College ParkCollege Park, Maryland95.4 GWhMay 2003Dec 2022 Natural Gas : 93.2% Distillate Fuel Oil : 6.8%
#11Wheelabrator Baltimore RefuseWheelabrator Environmental SystemsBaltimore, Maryland314.7 GWhOct 1984Feb 2024 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
#3Wildcat Point Generation FacilityOld Dominion Electric CoopConowingo, Maryland4.4 TWhMar 2018Feb 2024 Natural Gas

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
#8Allegany County, MD3769.4 GWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#6Anne Arundel County, MD91.4 TWh11.4 GWh0.0 Wh31.9 GWh0.0 Wh
#10Baltimore city, MD11370.4 GWh49.7 GWh0.0 Wh260.0 MWh0.0 Wh
#16Baltimore County, MD2152.1 GWh0.0 Wh0.0 Wh27.0 GWh0.0 Wh
#1Calvert County, MD215.7 TWh0.0 Wh0.0 Wh0.0 Wh15.7 TWh
#22Caroline County, MD11.3 GWh0.0 Wh0.0 Wh1.3 GWh0.0 Wh
#21Carroll County, MD315.0 GWh0.0 Wh0.0 Wh15.0 GWh0.0 Wh
#3Cecil County, MD64.7 TWh4.7 TWh0.0 Wh13.1 GWh0.0 Wh
#4Charles County, MD64.4 TWh4.4 TWh0.0 Wh68.4 GWh0.0 Wh
#14Dorchester County, MD564.2 GWh0.0 Wh0.0 Wh57.3 GWh0.0 Wh
#15Frederick County, MD1163.9 GWh0.0 Wh0.0 Wh63.9 GWh0.0 Wh
#9Garrett County, MD11572.2 GWh0.0 Wh540.9 GWh6.9 GWh0.0 Wh
#5Harford County, MD182.3 TWh235.1 GWh0.0 Wh45.8 GWh0.0 Wh
#18Howard County, MD1920.6 GWh124.0 MWh0.0 Wh18.8 GWh0.0 Wh
#19Kent County, MD620.2 GWh0.0 Wh0.0 Wh20.2 GWh0.0 Wh
#7Montgomery County, MD14875.8 GWh589.0 GWh0.0 Wh17.8 GWh0.0 Wh
#2Prince George's County, MD306.4 TWh6.3 TWh0.0 Wh54.5 GWh0.0 Wh
#11Queen Anne's County, MD9212.5 GWh0.0 Wh0.0 Wh212.5 GWh0.0 Wh
#12Somerset County, MD7166.9 GWh0.0 Wh0.0 Wh157.9 GWh0.0 Wh
#23Talbot County, MD3683.6 MWh0.0 Wh0.0 Wh2.7 GWh0.0 Wh
#13Washington County, MD1781.5 GWh0.0 Wh0.0 Wh81.5 GWh0.0 Wh
#17Wicomico County, MD549.5 GWh0.0 Wh0.0 Wh32.5 GWh0.0 Wh
#20Worcester County, MD415.0 GWh-42.2 MWh0.0 Wh15.1 GWh0.0 Wh

Top 20 Electricity Producing Cities in Maryland

Electricity Generation for Neighboring States

National RankStateNet Generation# Power Plants
#36Connecticut43.7 TWh203
#49Delaware5.3 TWh39
#51District of Columbia196.2 GWh18
#8Georgia145.4 TWh303
#17Indiana99.5 TWh260
#24Kentucky69.0 TWh79
#45Maine13.3 TWh214
#41Massachusetts21.6 TWh664
#43New Hampshire18.0 TWh74
#23New Jersey70.0 TWh443
#10New York134.9 TWh1,040
#9North Carolina139.9 TWh1,100
#7Ohio148.8 TWh283
#3Pennsylvania256.1 TWh360
#47Rhode Island9.3 TWh105
#13South Carolina110.1 TWh292
#19Tennessee87.2 TWh105
#50Vermont2.3 TWh138
#16Virginia101.6 TWh281
#31West Virginia56.5 TWh64

* Net Generation data is based on the last 12 months since Feb 2024