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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 Jun 2026.

Companies on File163
Plants on File298
Total Generation3.59G MMBtu
Total Sales 5.18G kWh
Total Revenue $976.17M

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

38.9 TWh

Total Annual Fuel Consumption

393.3 M MMBtu

Electric Companies in Maryland

163

Maryland
Power Plants

298

Natural Gas Rank

#25

Coal Rank

#33

Nuclear Rank

#19

Hydroelectric Rank

#36

Wind Rank

#32

Solar Rank

#24

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
Residential2.29G kWh21.84 cents/kWh$499.97M
Commercial2.55G kWh16.84 cents/kWh$428.88M
Industrial305.45M kWh13.51 cents/kWh$41.26M
Transportation40.54M kWh14.96 cents/kWh$6.07M
Total5.18G kWh18.84 cents/kWh$976.17M

* Data is aggregated from Jan 2001 to Jun 2026.

Production by Source for Maryland

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Largest 24 Power Plants in Maryland

RankPlantUtilityLocationAnnual GenerationInitial Operation DateLast UpdateFuel Types
#17Bluegrass SolarMN8 Energy LLCChurch Hill, Maryland154.6 GWhSep 2022Jun 2026 Solar
#5Brandon ShoresBrandon Shores LLCBaltimore, Maryland3.0 TWhApr 1984Jun 2026 Bituminous Coal : 98.9% Distillate Fuel Oil : 1.1%
#8Brandywine Power FacilityAlpha Generation Brandywine, LLCBrandywine, Maryland816.7 GWhJul 1996May 2026 Natural Gas : 95.8% Distillate Fuel Oil : 4.2%
#1Calvert Cliffs Nuclear Power PlantConstellation NuclearLusby, Maryland14.9 TWhApr 1975Jun 2026 Nuclear
#24Central Utility Plant at White OakGSA Metropolitan Service CenterSilver Spring, Maryland95.5 GWhOct 2003Jun 2026 Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
#6Chalk Point PowerChalk Point Power, LLCAquasco, Maryland2.7 TWhJul 1964Jun 2026 Natural Gas : 98.6% Distillate Fuel Oil : 1.4%
#7ConowingoConstellation Power, IncDarlington, Maryland1.4 TWhFeb 1928Jun 2026 Water
#20CPV Backbone SolarCPV Backbone Solar, LLCSwanton, Maryland122.2 GWhNov 2025Jun 2026 Solar
#3CPV St Charles Energy CenterCPV Maryland LLCWaldorf, Maryland3.8 TWhJan 2017Jun 2026 Natural Gas
#14CriterionCriterion Power Partners LLCOakland, Maryland262.0 GWhNov 2010Jun 2026 Wind
#16Dans MountainDans Mountain Wind Force, LLCFrostburg, Maryland165.1 GWhApr 2025Jun 2026 Wind
#12Dickerson PowerDickerson Power, LLCDickerson, Maryland317.1 GWhMay 1959Jun 2026 Natural Gas : 87.7% Distillate Fuel Oil : 12.3%
#9Essential Power Rock Springs LLCEssential Power Operating Services LLCRising Sun, Maryland407.7 GWhMay 2003Dec 2025 Natural Gas
#22Fourmile RidgeFourmile Wind Energy, LLCFrostburg, Maryland110.7 GWhNov 2014Jun 2026 Wind
#18Great Bay Solar 1Great Bay Solar I LLCPrincess Anne, Maryland136.5 GWhFeb 2018Jun 2026 Solar
#11Herbert A WagnerH.A. Wagner LLCBaltimore, Maryland346.1 GWhJan 1956Jun 2026 Distillate Fuel Oil : 92.8% Natural Gas : 7.2%
#19Jones Farm SolarUrban Grid SolarMillington, Maryland129.7 GWhMay 2025Jun 2026 Solar
#2KeyParkway Generation Keys Energy Center LLCBrandywine, Maryland4.4 TWhJun 2018Jun 2026 Natural Gas
#15Montgomery County Resource RecoveryCovanta Montgomery, Inc.Dickerson, Maryland231.0 GWhApr 1995Jun 2026 Non-biogenic Municipal Solid Waste : 53.8% Biogenic Municipal Solid Waste : 44.0% Natural Gas : 2.2%
#21NIH Cogeneration FacilityNational Institutes of HealthBethesda, Maryland120.4 GWhJun 2004Jun 2026 Natural Gas
#10PerrymanConstellation Power Source Generation, LLCHarford County, Maryland375.7 GWhDec 1971Jun 2026 Natural Gas : 72.7% Distillate Fuel Oil : 27.3%
#23Roth Rock Wind Farm LLCRoth Rock Wind Farm LLCOakland, Maryland101.0 GWhJul 2011Jun 2026 Wind
#13Wheelabrator Baltimore RefuseWheelabrator Environmental SystemsBaltimore, Maryland312.3 GWhOct 1984Jun 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
#4Wildcat Point Generation FacilityOld Dominion Electric CoopConowingo, Maryland3.2 TWhMar 2018Jun 2026 Natural Gas
* Data is based on the last 12 months since Jun 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
#11Allegany County, MD5197.1 GWh0.0 Wh165.1 GWh32.1 GWh0.0 Wh
#5Anne Arundel County, MD133.4 TWh24.9 GWh0.0 Wh37.0 GWh0.0 Wh
#9Baltimore city, MD11378.0 GWh43.8 GWh0.0 Wh8.5 GWh0.0 Wh
#17Baltimore County, MD3170.0 GWh0.0 Wh0.0 Wh50.8 GWh0.0 Wh
#1Calvert County, MD314.9 TWh0.0 Wh0.0 Wh0.0 Wh14.9 TWh
#18Caroline County, MD255.1 GWh0.0 Wh0.0 Wh55.1 GWh0.0 Wh
#21Carroll County, MD424.4 GWh0.0 Wh0.0 Wh24.4 GWh0.0 Wh
#4Cecil County, MD103.6 TWh3.6 TWh0.0 Wh20.8 GWh0.0 Wh
#3Charles County, MD63.9 TWh3.8 TWh0.0 Wh69.4 GWh0.0 Wh
#13Dorchester County, MD8103.8 GWh0.0 Wh0.0 Wh99.2 GWh0.0 Wh
#16Frederick County, MD1171.2 GWh0.0 Wh0.0 Wh72.1 GWh0.0 Wh
#8Garrett County, MD24731.6 GWh0.0 Wh579.1 GWh138.1 GWh0.0 Wh
#6Harford County, MD201.9 TWh320.1 GWh0.0 Wh83.3 GWh0.0 Wh
#15Howard County, MD2674.2 GWh3.0 GWh0.0 Wh71.0 GWh0.0 Wh
#22Kent County, MD617.3 GWh0.0 Wh0.0 Wh17.3 GWh0.0 Wh
#7Montgomery County, MD18796.3 GWh499.8 GWh0.0 Wh30.9 GWh0.0 Wh
#2Prince George's County, MD428.1 TWh7.9 TWh0.0 Wh83.4 GWh0.0 Wh
#10Queen Anne's County, MD10318.6 GWh0.0 Wh0.0 Wh318.6 GWh0.0 Wh
#12Somerset County, MD7159.8 GWh14.1 GWh0.0 Wh143.3 GWh0.0 Wh
#23Talbot County, MD313.4 GWh0.0 Wh0.0 Wh2.3 GWh0.0 Wh
#14Washington County, MD2078.1 GWh0.0 Wh0.0 Wh78.1 GWh0.0 Wh
#19Wicomico County, MD1144.6 GWh0.0 Wh0.0 Wh30.6 GWh0.0 Wh
#20Worcester County, MD534.3 GWh24.9 MWh0.0 Wh34.2 GWh0.0 Wh
* Net Generation data is based on the last 12 months since Dec 2025.
View All Counties in Maryland

Top 20 Electricity Producing Cities in Maryland

CityNet Generation# Power Plants
Aquasco, Maryland2.8 TWh2
Baltimore, Maryland3.7 TWh16
Barnesville, Maryland548.1 GWh2
Bethesda, Maryland120.4 GWh1
Brandywine, Maryland5.2 TWh3
Cambridge, Maryland66.5 GWh4
Church Hill, Maryland160.2 GWh2
College Park, Maryland86.1 GWh2
Darlington, Maryland1.4 TWh1
Frostburg, Maryland275.8 GWh2
Hagerstown, Maryland57.3 GWh7
Lusby, Maryland14.9 TWh1
Millington, Maryland129.7 GWh1
Oakland, Maryland492.0 GWh10
Perryman, Maryland402.1 GWh10
Princess Anne, Maryland153.3 GWh3
Rising Sun, Maryland407.7 GWh1
Silver Spring, Maryland98.7 GWh2
Swanton, Maryland122.2 GWh1
Waldorf, Maryland3.8 TWh2
* Data is based on the last 12 months since Jun 2026.
Browse All Cities in Maryland

Electricity Generation for Neighboring States

National RankStateNet Generation# Power Plants
#32Connecticut45.5 TWh234
#49Delaware5.5 TWh59
#51District of Columbia194.8 GWh25
#7Georgia147.1 TWh345
#15Indiana107.2 TWh290
#22Kentucky73.1 TWh104
#45Maine15.1 TWh335
#42Massachusetts21.2 TWh769
#44New Hampshire18.5 TWh77
#27New Jersey61.4 TWh518
#10New York130.8 TWh1,410
#9North Carolina136.7 TWh1,157
#6Ohio151.6 TWh331
#3Pennsylvania243.0 TWh446
#46Rhode Island9.7 TWh122
#17South Carolina102.5 TWh311
#19Tennessee82.2 TWh139
#50Vermont2.0 TWh144
#16Virginia105.4 TWh365
#30West Virginia53.9 TWh69
* Net Generation data is based on the last 12 months since Jun 2026.