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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 Dec 2025.

Companies on File149
Plants on File268
Total Generation3.23G MMBtu
Total Sales 5.75G kWh
Total Revenue $1.02B

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

38.0 TWh

Total Annual Fuel Consumption

379.3 M MMBtu

Electric Companies in Maryland

149

Maryland
Power Plants

268

Natural Gas Rank

#29

Coal Rank

#35

Nuclear Rank

#20

Hydroelectric Rank

#30

Wind Rank

#29

Solar Rank

#20

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
Residential2.98G kWh19.57 cents/kWh$584.19M
Commercial2.44G kWh15.86 cents/kWh$387.46M
Industrial282.01M kWh13.59 cents/kWh$38.33M
Transportation43.61M kWh16.09 cents/kWh$7.02M
Total5.75G kWh17.68 cents/kWh$1.02B

* Data is aggregated from Jan 2001 to Dec 2025.

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%
#18Bluegrass SolarMN8 Energy LLCChurch Hill, Maryland149.9 GWhSep 2022Dec 2025 Solar
#5Brandon ShoresBrandon Shores LLCBaltimore, Maryland2.3 TWhApr 1984Dec 2025 Bituminous Coal : 98.6% Distillate Fuel Oil : 1.4%
#9Brandywine Power FacilityKMC Thermo, LLCBrandywine, Maryland698.7 GWhJul 1996Dec 2025 Natural Gas : 95.3% Distillate Fuel Oil : 4.7%
#1Calvert Cliffs Nuclear Power PlantConstellation NuclearLusby, Maryland14.8 TWhApr 1975Dec 2025 Nuclear
#22Central Utility Plant at White OakGSA Metropolitan Service CenterSilver Spring, Maryland93.7 GWhOct 2003Dec 2025 Natural Gas : 99.5%
#6Chalk Point PowerChalk Point Power, LLCAquasco, Maryland1.7 TWhJul 1964Dec 2025 Natural Gas : 98.0% Distillate Fuel Oil : 2.0%
#7ConowingoConstellation Power, IncDarlington, Maryland1.5 TWhFeb 1928Dec 2025 Water
#2CPV St Charles Energy CenterCPV Maryland LLCWaldorf, Maryland4.7 TWhJan 2017Dec 2025 Natural Gas
#11CriterionCriterion Power Partners LLCOakland, Maryland256.6 GWhNov 2010Dec 2025 Wind
#23Dans MountainDans Mountain Wind Force, LLCFrostburg, Maryland90.1 GWh-Dec 2025 Wind
#14Dickerson PowerDickerson Power, LLCDickerson, Maryland237.2 GWhMay 1959Dec 2025 Natural Gas : 94.3% Distillate Fuel Oil : 5.7%
#16Essential Power Rock Springs LLCEssential Power Operating Services LLCRising Sun, Maryland179.0 GWhMay 2003Dec 2024 Natural Gas
#24Fair WindFair Wind Power Partners, LLCOakland, Maryland85.8 GWhOct 2015Dec 2025 Wind
#20Fourmile RidgeFourmile Wind Energy, LLCFrostburg, Maryland119.6 GWhNov 2014Dec 2025 Wind
#19Great Bay Solar 1Great Bay Solar I LLCPrincess Anne, Maryland134.6 GWhFeb 2018Dec 2025 Solar
#15Herbert A WagnerH.A. Wagner LLCBaltimore, Maryland192.8 GWhJan 1956Dec 2025 Distillate Fuel Oil : 87.9% Natural Gas : 12.1%
#3Keys Energy CenterPSEG Keys Energy Center, LLCBrandywine, Maryland4.4 TWhJun 2018Dec 2025 Natural Gas
#12Montgomery County Resource RecoveryCovanta Montgomery, Inc.Dickerson, Maryland254.2 GWhApr 1995Dec 2025 Non-biogenic Municipal Solid Waste : 54.4% Biogenic Municipal Solid Waste : 44.5% Natural Gas : 1.1%
#17NIH Cogeneration FacilityNational Institutes of HealthBethesda, Maryland152.4 GWhJun 2004Dec 2025 Natural Gas
#13PerrymanConstellation Power Source Generation, LLCHarford County, Maryland250.8 GWhDec 1971Dec 2025 Natural Gas : 84.1% Distillate Fuel Oil : 15.9%
#21Roth Rock Wind Farm LLCRoth Rock Wind Farm LLCOakland, Maryland106.3 GWhJul 2011Dec 2025 Wind
#10Wheelabrator Baltimore RefuseWheelabrator Environmental SystemsBaltimore, Maryland294.4 GWhOct 1984Dec 2025 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
#4Wildcat Point Generation FacilityOld Dominion Electric CoopConowingo, Maryland3.3 TWhMar 2018Dec 2025 Natural Gas
* Data is based on the last 12 months since Dec 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, MD5844.6 GWh0.0 Wh90.1 GWh29.1 GWh0.0 Wh
#5Anne Arundel County, MD122.6 TWh23.3 GWh0.0 Wh32.6 GWh0.0 Wh
#10Baltimore city, MD11362.6 GWh54.1 GWh0.0 Wh9.1 GWh0.0 Wh
#14Baltimore County, MD2665.8 GWh0.0 Wh0.0 Wh40.5 GWh0.0 Wh
#1Calvert County, MD214.8 TWh0.0 Wh0.0 Wh0.0 Wh14.8 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, MD93.5 TWh3.5 TWh0.0 Wh15.0 GWh0.0 Wh
#3Charles County, MD64.8 TWh4.7 TWh0.0 Wh65.7 GWh0.0 Wh
#17Dorchester County, MD751.1 GWh0.0 Wh0.0 Wh46.5 GWh0.0 Wh
#16Frederick County, MD1157.7 GWh0.0 Wh0.0 Wh58.4 GWh0.0 Wh
#9Garrett County, MD16628.6 GWh0.0 Wh594.9 GWh16.6 GWh0.0 Wh
#6Harford County, MD191.9 TWh263.9 GWh0.0 Wh60.7 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, MD18766.5 GWh472.1 GWh0.0 Wh29.1 GWh0.0 Wh
#2Prince George's County, MD376.9 TWh6.8 TWh0.0 Wh71.8 GWh0.0 Wh
#11Queen Anne's County, MD9257.4 GWh0.0 Wh0.0 Wh257.4 GWh0.0 Wh
#12Somerset County, MD7157.0 GWh11.9 GWh0.0 Wh142.2 GWh0.0 Wh
#22Talbot County, MD39.5 GWh0.0 Wh0.0 Wh2.4 GWh0.0 Wh
#13Washington County, MD1976.6 GWh0.0 Wh0.0 Wh76.6 GWh0.0 Wh
#18Wicomico County, MD842.9 GWh0.0 Wh0.0 Wh31.2 GWh0.0 Wh
#21Worcester 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, Maryland1.7 TWh2
Baltimore, Maryland2.9 TWh15
Barnesville, Maryland491.3 GWh2
Bethesda, Maryland152.4 GWh1
Brandywine, Maryland5.1 TWh3
Church Hill, Maryland156.3 GWh2
College Park, Maryland86.7 GWh2
Cumberland, Maryland725.5 GWh2
Darlington, Maryland1.5 TWh1
Edgewood, Maryland55.3 GWh2
Frostburg, Maryland209.7 GWh2
Hagerstown, Maryland54.9 GWh7
Lusby, Maryland14.8 TWh1
Millington, Maryland71.1 GWh1
Oakland, Maryland494.1 GWh6
Perryman, Maryland276.9 GWh10
Princess Anne, Maryland149.0 GWh3
Rising Sun, Maryland179.0 GWh1
Silver Spring, Maryland95.8 GWh2
Waldorf, Maryland4.7 TWh2
* Data is based on the last 12 months since Dec 2025.
Browse All Cities in Maryland

Electricity Generation for Neighboring States

National RankStateNet Generation# Power Plants
#34Connecticut43.5 TWh227
#49Delaware5.4 TWh47
#51District of Columbia169.0 GWh24
#6Georgia146.6 TWh339
#13Indiana108.6 TWh285
#22Kentucky73.2 TWh98
#45Maine15.6 TWh301
#41Massachusetts22.6 TWh736
#44New Hampshire19.4 TWh74
#29New Jersey60.2 TWh481
#10New York128.5 TWh1,281
#9North Carolina134.5 TWh1,132
#7Ohio146.1 TWh314
#3Pennsylvania245.1 TWh390
#46Rhode Island10.4 TWh116
#15South Carolina104.9 TWh304
#21Tennessee73.8 TWh137
#50Vermont2.3 TWh142
#14Virginia105.3 TWh345
#31West Virginia53.5 TWh66
* Net Generation data is based on the last 12 months since Dec 2025.