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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 Feb 2026.

Companies on File149
Plants on File268
Total Generation3.02G MMBtu
Total Sales 5.42G kWh
Total Revenue $1.03B

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

38.6 TWh

Total Annual Fuel Consumption

379.7 M MMBtu

Electric Companies in Maryland

149

Maryland
Power Plants

268

Natural Gas Rank

#29

Coal Rank

#31

Nuclear Rank

#21

Hydroelectric Rank

#31

Wind Rank

#29

Solar Rank

#23

Monthly Net Generation for Maryland

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Monthly Plant Fuel Consumption for Maryland

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Electricity Sales Distribution

Electricity Sales, Price, and Revenue Breakdown

SalesPrice (Avg)Revenue
Residential2.90G kWh20.08 cents/kWh$581.42M
Commercial2.23G kWh18.11 cents/kWh$404.29M
Industrial256.53M kWh16.07 cents/kWh$41.22M
Transportation34.89M kWh17.08 cents/kWh$5.96M
Total5.42G kWh19.06 cents/kWh$1.03B

* Data is aggregated from Jan 2001 to Feb 2026.

Production by Source for Maryland

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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%
#17Bluegrass SolarMN8 Energy LLCChurch Hill, Maryland150.6 GWhSep 2022Feb 2026 Solar
#5Brandon ShoresBrandon Shores LLCBaltimore, Maryland2.4 TWhApr 1984Feb 2026 Bituminous Coal : 98.6% Distillate Fuel Oil : 1.4%
#9Brandywine Power FacilityKMC Thermo, LLCBrandywine, Maryland707.0 GWhJul 1996Feb 2026 Natural Gas : 95.1% Distillate Fuel Oil : 4.9%
#1Calvert Cliffs Nuclear Power PlantConstellation NuclearLusby, Maryland14.6 TWhApr 1975Feb 2026 Nuclear
#23Central Utility Plant at White OakGSA Metropolitan Service CenterSilver Spring, Maryland96.9 GWhOct 2003Feb 2026 Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
#6Chalk Point PowerChalk Point Power, LLCAquasco, Maryland2.0 TWhJul 1964Feb 2026 Natural Gas : 98.2% Distillate Fuel Oil : 1.8%
#7ConowingoConstellation Power, IncDarlington, Maryland1.5 TWhFeb 1928Feb 2026 Water
#2CPV St Charles Energy CenterCPV Maryland LLCWaldorf, Maryland4.8 TWhJan 2017Feb 2026 Natural Gas
#13CriterionCriterion Power Partners LLCOakland, Maryland252.3 GWhNov 2010Feb 2026 Wind
#20Dans MountainDans Mountain Wind Force, LLCFrostburg, Maryland131.1 GWh-Feb 2026 Wind
#12Dickerson PowerDickerson Power, LLCDickerson, Maryland258.5 GWhMay 1959Feb 2026 Natural Gas : 86.0% Distillate Fuel Oil : 14.0%
#16Essential Power Rock Springs LLCEssential Power Operating Services LLCRising Sun, Maryland179.0 GWhMay 2003Dec 2024 Natural Gas
#21Fourmile RidgeFourmile Wind Energy, LLCFrostburg, Maryland118.1 GWhNov 2014Feb 2026 Wind
#19Great Bay Solar 1Great Bay Solar I LLCPrincess Anne, Maryland134.9 GWhFeb 2018Feb 2026 Solar
#15Herbert A WagnerH.A. Wagner LLCBaltimore, Maryland225.5 GWhJan 1956Feb 2026 Distillate Fuel Oil : 90.6% Natural Gas : 9.4%
#24Jones Farm SolarUrban Grid SolarMillington, Maryland85.2 GWh-Feb 2026 Solar
#3Keys Energy CenterPSEG Keys Energy Center, LLCBrandywine, Maryland4.3 TWhJun 2018Feb 2026 Natural Gas
#14Montgomery County Resource RecoveryCovanta Montgomery, Inc.Dickerson, Maryland234.7 GWhApr 1995Feb 2026 Non-biogenic Municipal Solid Waste : 54.4% Biogenic Municipal Solid Waste : 44.5% Natural Gas : 1.1%
#18NIH Cogeneration FacilityNational Institutes of HealthBethesda, Maryland142.9 GWhJun 2004Feb 2026 Natural Gas
#10PerrymanConstellation Power Source Generation, LLCHarford County, Maryland317.1 GWhDec 1971Feb 2026 Natural Gas : 72.6% Distillate Fuel Oil : 27.4%
#22Roth Rock Wind Farm LLCRoth Rock Wind Farm LLCOakland, Maryland102.1 GWhJul 2011Feb 2026 Wind
#11Wheelabrator Baltimore RefuseWheelabrator Environmental SystemsBaltimore, Maryland287.3 GWhOct 1984Feb 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
#4Wildcat Point Generation FacilityOld Dominion Electric CoopConowingo, Maryland3.5 TWhMar 2018Feb 2026 Natural Gas
* Data is based on the last 12 months since Feb 2026.
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, MD5885.7 GWh0.0 Wh131.1 GWh29.1 GWh0.0 Wh
#5Anne Arundel County, MD122.7 TWh21.3 GWh0.0 Wh32.6 GWh0.0 Wh
#10Baltimore city, MD11353.4 GWh47.9 GWh0.0 Wh9.1 GWh0.0 Wh
#14Baltimore County, MD2665.8 GWh0.0 Wh0.0 Wh40.5 GWh0.0 Wh
#1Calvert County, MD214.6 TWh0.0 Wh0.0 Wh0.0 Wh14.6 TWh
#23Caroline County, MD21.3 GWh0.0 Wh0.0 Wh1.3 GWh0.0 Wh
#19Carroll County, MD424.8 GWh0.0 Wh0.0 Wh24.8 GWh0.0 Wh
#4Cecil County, MD93.7 TWh3.7 TWh0.0 Wh15.0 GWh0.0 Wh
#3Charles County, MD64.9 TWh4.8 TWh0.0 Wh65.6 GWh0.0 Wh
#16Dorchester County, MD762.9 GWh0.0 Wh0.0 Wh58.3 GWh0.0 Wh
#17Frederick County, MD1157.7 GWh0.0 Wh0.0 Wh58.3 GWh0.0 Wh
#9Garrett County, MD16639.1 GWh0.0 Wh581.9 GWh40.1 GWh0.0 Wh
#6Harford County, MD192.0 TWh283.2 GWh0.0 Wh65.9 GWh0.0 Wh
#15Howard County, MD2563.5 GWh1.9 GWh0.0 Wh61.4 GWh0.0 Wh
#20Kent County, MD617.7 GWh0.0 Wh0.0 Wh17.7 GWh0.0 Wh
#8Montgomery County, MD18762.0 GWh464.0 GWh0.0 Wh29.1 GWh0.0 Wh
#2Prince George's County, MD377.3 TWh7.1 TWh0.0 Wh71.8 GWh0.0 Wh
#11Queen Anne's County, MD9272.0 GWh0.0 Wh0.0 Wh272.0 GWh0.0 Wh
#12Somerset County, MD7158.0 GWh12.6 GWh0.0 Wh142.5 GWh0.0 Wh
#21Talbot County, MD316.8 GWh0.0 Wh0.0 Wh2.4 GWh0.0 Wh
#13Washington County, MD1975.8 GWh0.0 Wh0.0 Wh75.8 GWh0.0 Wh
#18Wicomico County, MD842.2 GWh0.0 Wh0.0 Wh30.6 GWh0.0 Wh
#22Worcester County, MD413.5 GWh60.5 MWh0.0 Wh13.4 GWh0.0 Wh
* Net Generation data is based on the last 12 months since Dec 2024.
View All Counties in Maryland

Top 20 Electricity Producing Cities in Maryland

CityNet Generation# Power Plants
Aquasco, Maryland2.1 TWh2
Baltimore, Maryland3.0 TWh15
Barnesville, Maryland493.2 GWh2
Bethesda, Maryland142.9 GWh1
Brandywine, Maryland5.0 TWh3
Church Hill, Maryland156.7 GWh2
College Park, Maryland86.7 GWh2
Cumberland, Maryland725.5 GWh2
Darlington, Maryland1.5 TWh1
Edgewood, Maryland55.5 GWh2
Frostburg, Maryland249.2 GWh2
Hagerstown, Maryland54.1 GWh7
Lusby, Maryland14.6 TWh1
Millington, Maryland85.2 GWh1
Oakland, Maryland482.6 GWh6
Perryman, Maryland343.3 GWh10
Princess Anne, Maryland150.0 GWh3
Rising Sun, Maryland179.0 GWh1
Silver Spring, Maryland99.0 GWh2
Waldorf, Maryland4.8 TWh2
* Data is based on the last 12 months since Feb 2026.
Browse All Cities in Maryland

Electricity Generation for Neighboring States

National RankStateNet Generation# Power Plants
#34Connecticut43.9 TWh227
#49Delaware5.4 TWh47
#51District of Columbia159.6 GWh24
#6Georgia146.7 TWh339
#13Indiana109.1 TWh286
#22Kentucky72.6 TWh98
#45Maine16.0 TWh301
#41Massachusetts23.0 TWh736
#44New Hampshire19.5 TWh74
#28New Jersey61.2 TWh481
#10New York129.3 TWh1,281
#9North Carolina134.2 TWh1,132
#7Ohio146.6 TWh314
#3Pennsylvania244.4 TWh390
#46Rhode Island10.6 TWh116
#16South Carolina104.6 TWh304
#20Tennessee77.0 TWh137
#50Vermont2.2 TWh142
#15Virginia105.9 TWh345
#31West Virginia53.2 TWh67
* Net Generation data is based on the last 12 months since Feb 2026.