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 Dec 2024.

Companies on File143
Plants on File247
Total Generation2.97G MMBtu
Total Sales 5.56G kWh
Total Revenue $871.79M

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

35.8 TWh

Total Annual Fuel Consumption

353.0 M MMBtu

Electric Companies in Maryland

143

Maryland
Power Plants

247

Natural Gas Rank

#33

Coal Rank

#32

Nuclear Rank

#18

Hydroelectric Rank

#20

Wind Rank

#30

Solar Rank

#22

Monthly Net Generation for Maryland

Electricity Sales Distribution

Electricity Sales, Price, and Revenue Breakdown

SalesPrice (Avg)Revenue
Residential2.79G kWh18.15 cents/kWh$506.26M
Commercial2.42G kWh13.55 cents/kWh$328.17M
Industrial303.22M kWh10.72 cents/kWh$32.50M
Transportation41.80M kWh11.60 cents/kWh$4.85M
Total5.56G kWh15.69 cents/kWh$871.79M

Production by Source

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%
#15Bluegrass SolarBluegrass Solar, LLCChurch Hill, Maryland158.1 GWhSep 2022Dec 2024 Solar
#5Brandon ShoresBrandon Shores LLCBaltimore, Maryland2.2 TWhApr 1984Dec 2024 Bituminous Coal : 98.6% Distillate Fuel Oil : 1.4%
#9Brandywine Power FacilityKMC Thermo, LLCBrandywine, Maryland561.7 GWhJul 1996Dec 2024 Natural Gas : 99.7%
#1Calvert Cliffs Nuclear Power PlantConstellation NuclearLusby, Maryland14.8 TWhApr 1975Dec 2024 Nuclear
#24Central Utility Plant at White OakGSA Metropolitan Service CenterSilver Spring, Maryland74.0 GWhOct 2003Dec 2024 Natural Gas : 99.9%
#7Chalk Point PowerLanyard Power Holdings, LLCAquasco, Maryland922.3 GWhJul 1964Dec 2024 Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
#6ConowingoConstellation Power, IncDarlington, Maryland1.8 TWhFeb 1928Dec 2024 Water
#3CPV St Charles Energy CenterCPV Maryland LLCWaldorf, Maryland3.6 TWhJan 2017Dec 2024 Natural Gas
#12CriterionCriterion Power Partners LLCOakland, Maryland242.3 GWhNov 2010Dec 2024 Wind
#18Dickerson PowerLanyard Power Holdings, LLCDickerson, Maryland139.6 GWhMay 1959Dec 2024 Natural Gas : 98.9% Distillate Fuel Oil : 1.1%
#13Essential Power Rock Springs LLCEssential Power Operating Services LLCRising Sun, Maryland213.7 GWhMay 2003Dec 2023 Natural Gas
#22Fair WindFair Wind Power Partners, LLCOakland, Maryland83.7 GWhOct 2015Dec 2024 Wind
#20Fourmile RidgeFourmile Wind Energy, LLCFrostburg, Maryland113.1 GWhNov 2014Dec 2024 Wind
#19Great Bay Solar 1Great Bay Solar I LLCPrincess Anne, Maryland138.7 GWhFeb 2018Dec 2024 Solar
#14Herbert A WagnerH.A. Wagner LLCBaltimore, Maryland158.7 GWhJan 1956Dec 2024 Distillate Fuel Oil : 87.2% Natural Gas : 12.8%
#2Keys Energy CenterPSEG Keys Energy Center, LLCBrandywine, Maryland4.9 TWhJun 2018Dec 2024 Natural Gas
#11Montgomery County Resource RecoveryCovanta Montgomery, Inc.Dickerson, Maryland302.2 GWhApr 1995Dec 2024 Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.9%
#16NIH Cogeneration FacilityNational Institutes of HealthBethesda, Maryland155.1 GWhJun 2004Dec 2024 Natural Gas
#17PerrymanConstellation Power Source Generation, LLCHarford County, Maryland152.4 GWhDec 1971Dec 2024 Natural Gas : 92.3% Distillate Fuel Oil : 7.7%
#21Roth Rock Wind Farm LLCRoth Rock Wind Farm LLCOakland, Maryland95.4 GWhJul 2011Dec 2024 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, Maryland317.6 GWhOct 1984Dec 2024 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
#4Wildcat Point Generation FacilityOld Dominion Electric CoopConowingo, Maryland3.0 TWhMar 2018Dec 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
#7Allegany County, MD4725.5 GWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#5Anne Arundel County, MD92.4 TWh20.4 GWh0.0 Wh34.1 GWh0.0 Wh
#10Baltimore city, MD11383.6 GWh54.7 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 Wh74.1 GWh0.0 Wh
#16Dorchester County, MD655.8 GWh0.0 Wh0.0 Wh52.9 GWh0.0 Wh
#15Frederick County, MD1158.6 GWh0.0 Wh0.0 Wh58.6 GWh0.0 Wh
#9Garrett County, MD12587.5 GWh0.0 Wh558.3 GWh9.5 GWh0.0 Wh
#6Harford County, MD182.1 TWh190.3 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, MD18693.1 GWh369.8 GWh0.0 Wh22.1 GWh0.0 Wh
#2Prince George's County, MD346.5 TWh6.5 TWh0.0 Wh54.2 GWh0.0 Wh
#11Queen Anne's County, MD9196.1 GWh0.0 Wh0.0 Wh196.1 GWh0.0 Wh
#12Somerset County, MD7149.7 GWh1.2 GWh0.0 Wh146.3 GWh0.0 Wh
#23Talbot County, MD3593.0 MWh0.0 Wh0.0 Wh2.3 GWh0.0 Wh
#13Washington County, MD1979.4 GWh0.0 Wh0.0 Wh79.4 GWh0.0 Wh
#17Wicomico County, MD743.8 GWh0.0 Wh0.0 Wh28.4 GWh0.0 Wh
#21Worcester County, MD413.6 GWh-32.0 MWh0.0 Wh13.7 GWh0.0 Wh

Top 20 Electricity Producing Cities in Maryland

Electricity Generation for Neighboring States

National RankStateNet Generation# Power Plants
#33Connecticut45.1 TWh214
#49Delaware4.7 TWh42
#51District of Columbia184.0 GWh23
#8Georgia138.7 TWh316
#18Indiana93.7 TWh271
#23Kentucky66.7 TWh85
#45Maine13.4 TWh270
#41Massachusetts20.6 TWh698
#44New Hampshire17.2 TWh74
#27New Jersey60.6 TWh475
#10New York128.9 TWh1,166
#9North Carolina134.3 TWh1,119
#6Ohio143.9 TWh291
#3Pennsylvania242.5 TWh371
#46Rhode Island10.0 TWh114
#15South Carolina99.8 TWh297
#19Tennessee75.8 TWh114
#50Vermont2.5 TWh140
#14Virginia101.4 TWh314
#31West Virginia50.7 TWh66

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