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 Sep 2024.

Companies on File143
Plants on File247
Total Generation2.70G MMBtu
Total Sales 4.42G kWh
Total Revenue $672.63M

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

36.1 TWh

Total Annual Fuel Consumption

355.1 M MMBtu

Electric Companies in Maryland

143

Maryland
Power Plants

247

Natural Gas Rank

#30

Coal Rank

#33

Nuclear Rank

#18

Hydroelectric Rank

#35

Wind Rank

#30

Solar Rank

#24

Monthly Net Generation for Maryland

Electricity Sales Distribution

Electricity Sales, Price, and Revenue Breakdown

SalesPrice (Avg)Revenue
Residential1.93G kWh18.38 cents/kWh$354.18M
Commercial2.18G kWh13.21 cents/kWh$287.86M
Industrial282.49M kWh9.59 cents/kWh$27.09M
Transportation30.33M kWh11.53 cents/kWh$3.50M
Total4.42G kWh15.23 cents/kWh$672.63M

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%
#17Bluegrass SolarBluegrass Solar, LLCChurch Hill, Maryland157.6 GWhSep 2022Sep 2024 Solar
#6Brandon ShoresBrandon Shores LLCBaltimore, Maryland1.6 TWhApr 1984Sep 2024 Bituminous Coal : 98.5% Distillate Fuel Oil : 1.5%
#9Brandywine Power FacilityKMC Thermo, LLCBrandywine, Maryland545.5 GWhJul 1996Sep 2024 Natural Gas : 99.6%
#1Calvert Cliffs Nuclear Power PlantConstellation NuclearLusby, Maryland14.8 TWhApr 1975Sep 2024 Nuclear
#22Central Utility Plant at White OakGSA Metropolitan Service CenterSilver Spring, Maryland83.0 GWhOct 2003Aug 2024 Natural Gas : 99.9%
#7Chalk Point PowerLanyard Power Holdings, LLCAquasco, Maryland979.6 GWhJul 1964Sep 2024 Natural Gas : 99.5% Distillate Fuel Oil : 0.5%
#5ConowingoConstellation Power, IncDarlington, Maryland2.0 TWhFeb 1928Sep 2024 Water
#3CPV St Charles Energy CenterCPV Maryland LLCWaldorf, Maryland3.9 TWhJan 2017Sep 2024 Natural Gas
#13CriterionCriterion Power Partners LLCOakland, Maryland233.8 GWhNov 2010Sep 2024 Wind
#12Dickerson PowerLanyard Power Holdings, LLCDickerson, Maryland239.6 GWhMay 1959Sep 2024 Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
#14Essential Power Rock Springs LLCEssential Power Operating Services LLCRising Sun, Maryland213.7 GWhMay 2003Dec 2023 Natural Gas
#23Fair WindFair Wind Power Partners, LLCOakland, Maryland81.0 GWhOct 2015Sep 2024 Wind
#20Fourmile RidgeFourmile Wind Energy, LLCFrostburg, Maryland110.4 GWhNov 2014Sep 2024 Wind
#19Great Bay Solar 1Great Bay Solar I LLCPrincess Anne, Maryland138.1 GWhFeb 2018Sep 2024 Solar
#18Herbert A WagnerH.A. Wagner LLCBaltimore, Maryland150.2 GWhJan 1956Aug 2024 Distillate Fuel Oil : 71.9% Natural Gas : 12.4% Residual Fuel Oil : 10.5% Bituminous Coal : 5.1%
#2Keys Energy CenterPSEG Keys Energy Center, LLCBrandywine, Maryland4.8 TWhJun 2018Sep 2024 Natural Gas
#11Montgomery County Resource RecoveryCovanta Montgomery, Inc.Dickerson, Maryland290.9 GWhApr 1995Sep 2024 Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.8%
#16NIH Cogeneration FacilityNational Institutes of HealthBethesda, Maryland164.0 GWhJun 2004Sep 2024 Natural Gas
#15PerrymanConstellation Power Source Generation, LLCHarford County, Maryland196.0 GWhDec 1971Sep 2024 Natural Gas : 95.2% Distillate Fuel Oil : 4.8%
#21Roth Rock Wind Farm LLCRoth Rock Wind Farm LLCOakland, Maryland92.5 GWhJul 2011Sep 2024 Wind
#24UMCP 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, Maryland320.5 GWhOct 1984Sep 2024 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
#4Wildcat Point Generation FacilityOld Dominion Electric CoopConowingo, Maryland3.2 TWhMar 2018Sep 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, MD4725.4 GWh0.0 Wh0.0 Wh0.0 Wh0.0 Wh
#6Anne Arundel County, MD91.8 TWh18.7 GWh0.0 Wh34.1 GWh0.0 Wh
#10Baltimore city, MD11386.0 GWh54.1 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, MD73.5 TWh3.4 TWh0.0 Wh13.2 GWh0.0 Wh
#3Charles County, MD64.0 TWh3.9 TWh0.0 Wh75.3 GWh0.0 Wh
#16Dorchester County, MD655.8 GWh0.0 Wh0.0 Wh52.9 GWh0.0 Wh
#15Frederick County, MD1158.2 GWh0.0 Wh0.0 Wh58.2 GWh0.0 Wh
#9Garrett County, MD12570.1 GWh0.0 Wh540.9 GWh9.5 GWh0.0 Wh
#5Harford County, MD182.3 TWh236.3 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
#7Montgomery County, MD18799.6 GWh490.4 GWh0.0 Wh22.1 GWh0.0 Wh
#2Prince George's County, MD346.5 TWh6.4 TWh0.0 Wh54.2 GWh0.0 Wh
#11Queen Anne's County, MD9195.8 GWh0.0 Wh0.0 Wh195.8 GWh0.0 Wh
#12Somerset County, MD7153.6 GWh0.0 Wh0.0 Wh145.6 GWh0.0 Wh
#23Talbot County, MD3541.0 MWh0.0 Wh0.0 Wh2.3 GWh0.0 Wh
#13Washington County, MD1977.9 GWh0.0 Wh0.0 Wh77.9 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
#33Connecticut43.4 TWh214
#49Delaware4.5 TWh42
#51District of Columbia174.2 GWh23
#8Georgia138.6 TWh316
#17Indiana92.7 TWh271
#23Kentucky66.3 TWh85
#45Maine13.5 TWh270
#41Massachusetts20.1 TWh698
#44New Hampshire18.3 TWh74
#27New Jersey62.0 TWh475
#10New York128.7 TWh1,165
#9North Carolina132.4 TWh1,119
#6Ohio145.3 TWh290
#3Pennsylvania239.1 TWh371
#46Rhode Island10.2 TWh114
#14South Carolina101.4 TWh297
#19Tennessee78.1 TWh114
#50Vermont2.5 TWh140
#15Virginia99.9 TWh314
#31West Virginia51.8 TWh66

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