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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 Aug 2026.

Companies on File163
Plants on File298
Total Generation3.75G MMBtu
Total Sales 5.80G kWh
Total Revenue $1.09B

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

39.3 TWh

Total Annual Fuel Consumption

393.7 M MMBtu

Electric Companies in Maryland

163

Maryland
Power Plants

298

Natural Gas Rank

#30

Coal Rank

#32

Nuclear Rank

#20

Hydroelectric Rank

#30

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
Residential2.71G kWh21.40 cents/kWh$580.67M
Commercial2.73G kWh17.00 cents/kWh$464.79M
Industrial317.85M kWh12.19 cents/kWh$38.76M
Transportation38.09M kWh14.79 cents/kWh$5.63M
Total5.80G kWh18.78 cents/kWh$1.09B

* Data is aggregated from Jan 2001 to Aug 2026.

Production by Source for Maryland

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Largest 24 Power Plants in Maryland

RankPlantUtilityLocationAnnual GenerationInitial Operation DateLast UpdateFuel Types
#4Brandon ShoresBrandon Shores LLCBaltimore, Maryland3.0 TWhApr 1984Aug 2026 Bituminous Coal : 98.9% Distillate Fuel Oil : 1.1%
#8Brandywine Power FacilityAlpha Generation Brandywine, LLCBrandywine, Maryland676.1 GWhJul 1996Aug 2026 Natural Gas : 94.8% Distillate Fuel Oil : 5.2%
#1Calvert Cliffs Nuclear Power PlantConstellation NuclearLusby, Maryland14.9 TWhApr 1975Aug 2026 Nuclear
#24Central Utility Plant at White OakGSA Metropolitan Service CenterSilver Spring, Maryland94.9 GWhOct 2003Aug 2026 Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
#6Chalk Point PowerChalk Point Power, LLCAquasco, Maryland2.9 TWhJul 1964Aug 2026 Natural Gas : 98.4% Distillate Fuel Oil : 1.6%
#20Cherrywood Solar ICherrywood Solar, LLCGreensboro, Maryland128.6 GWh-Aug 2026 Solar
#7ConowingoConstellation Power, IncDarlington, Maryland1.3 TWhFeb 1928Aug 2026 Water
#16CPV Backbone SolarCPV Backbone Solar, LLCSwanton, Maryland169.3 GWhNov 2025Aug 2026 Solar
#3CPV St Charles Energy CenterCPV Maryland LLCWaldorf, Maryland3.9 TWhJan 2017Aug 2026 Natural Gas
#14CriterionCriterion Power Partners LLCOakland, Maryland272.3 GWhNov 2010Aug 2026 Wind
#17Dans MountainDans Mountain Wind Force, LLCFrostburg, Maryland168.2 GWhApr 2025Aug 2026 Wind
#12Dickerson PowerDickerson Power, LLCDickerson, Maryland348.3 GWhMay 1959Aug 2026 Natural Gas : 87.1% Distillate Fuel Oil : 12.9%
#9Essential Power Rock Springs LLCEssential Power Operating Services LLCRising Sun, Maryland407.7 GWhMay 2003Dec 2025 Natural Gas
#22Fourmile RidgeFourmile Wind Energy, LLCFrostburg, Maryland111.9 GWhNov 2014Aug 2026 Wind
#18Great Bay Solar 1Great Bay Solar I LLCPrincess Anne, Maryland137.5 GWhFeb 2018Aug 2026 Solar
#11Herbert A WagnerH.A. Wagner LLCBaltimore, Maryland371.6 GWhJan 1956Aug 2026 Distillate Fuel Oil : 92.8% Natural Gas : 7.2%
#19Jones Farm SolarUrban Grid SolarMillington, Maryland130.1 GWhMay 2025Aug 2026 Solar
#2KeyParkway Generation Keys Energy Center LLCBrandywine, Maryland4.5 TWhJun 2018Aug 2026 Natural Gas
#15Montgomery County Resource RecoveryCovanta Montgomery, Inc.Dickerson, Maryland234.7 GWhApr 1995Aug 2026 Non-biogenic Municipal Solid Waste : 53.7% Biogenic Municipal Solid Waste : 44.0% Natural Gas : 2.3%
#21NIH Cogeneration FacilityNational Institutes of HealthBethesda, Maryland123.0 GWhJun 2004Aug 2026 Natural Gas
#10PerrymanConstellation Power Source Generation, LLCHarford County, Maryland404.0 GWhDec 1971Aug 2026 Natural Gas : 73.9% Distillate Fuel Oil : 26.1%
#23Roth Rock Wind Farm LLCRoth Rock Wind Farm LLCOakland, Maryland102.8 GWhJul 2011Aug 2026 Wind
#13Wheelabrator Baltimore RefuseWheelabrator Environmental SystemsBaltimore, Maryland316.5 GWhOct 1984Aug 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
#5Wildcat Point Generation FacilityOld Dominion Electric CoopConowingo, Maryland3.0 TWhMar 2018Aug 2026 Natural Gas
* Data is based on the last 12 months since Aug 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, MD5200.3 GWh0.0 Wh168.2 GWh32.1 GWh0.0 Wh
#4Anne Arundel County, MD133.5 TWh26.9 GWh0.0 Wh37.0 GWh0.0 Wh
#9Baltimore city, MD11375.9 GWh37.4 GWh0.0 Wh8.5 GWh0.0 Wh
#16Baltimore County, MD3174.9 GWh0.0 Wh0.0 Wh55.7 GWh0.0 Wh
#1Calvert County, MD314.9 TWh0.0 Wh0.0 Wh0.0 Wh14.9 TWh
#14Caroline County, MD2129.9 GWh0.0 Wh0.0 Wh129.9 GWh0.0 Wh
#21Carroll County, MD424.4 GWh0.0 Wh0.0 Wh24.4 GWh0.0 Wh
#5Cecil County, MD103.4 TWh3.4 TWh0.0 Wh20.4 GWh0.0 Wh
#3Charles County, MD64.0 TWh3.9 TWh0.0 Wh70.8 GWh0.0 Wh
#13Dorchester County, MD8153.4 GWh0.0 Wh0.0 Wh140.2 GWh0.0 Wh
#18Frederick County, MD1171.3 GWh0.0 Wh0.0 Wh72.2 GWh0.0 Wh
#8Garrett County, MD24794.4 GWh0.0 Wh595.0 GWh185.0 GWh0.0 Wh
#6Harford County, MD201.9 TWh345.8 GWh0.0 Wh91.3 GWh0.0 Wh
#17Howard County, MD2673.8 GWh3.0 GWh0.0 Wh70.5 GWh0.0 Wh
#22Kent County, MD623.0 GWh0.0 Wh0.0 Wh23.0 GWh0.0 Wh
#7Montgomery County, MD18833.3 GWh527.2 GWh0.0 Wh30.9 GWh0.0 Wh
#2Prince George's County, MD428.2 TWh8.0 TWh0.0 Wh83.8 GWh0.0 Wh
#10Queen Anne's County, MD10316.6 GWh0.0 Wh0.0 Wh316.6 GWh0.0 Wh
#12Somerset County, MD7161.2 GWh14.5 GWh0.0 Wh144.3 GWh0.0 Wh
#23Talbot County, MD312.7 GWh0.0 Wh0.0 Wh2.3 GWh0.0 Wh
#15Washington County, MD2075.7 GWh0.0 Wh0.0 Wh75.7 GWh0.0 Wh
#19Wicomico County, MD1144.7 GWh0.0 Wh0.0 Wh30.7 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, Maryland2.9 TWh2
Baltimore, Maryland3.8 TWh16
Barnesville, Maryland583.0 GWh2
Bethesda, Maryland123.0 GWh1
Brandywine, Maryland5.1 TWh3
Cambridge, Maryland87.7 GWh4
Church Hill, Maryland81.7 GWh2
College Park, Maryland86.1 GWh2
Darlington, Maryland1.3 TWh1
Frostburg, Maryland280.1 GWh2
Greensboro, Maryland128.6 GWh1
Lusby, Maryland14.9 TWh1
Millington, Maryland130.1 GWh1
Oakland, Maryland506.7 GWh10
Perryman, Maryland430.4 GWh10
Princess Anne, Maryland154.7 GWh3
Rising Sun, Maryland407.7 GWh1
Silver Spring, Maryland98.1 GWh2
Swanton, Maryland169.3 GWh1
Waldorf, Maryland3.9 TWh2
* Data is based on the last 12 months since Aug 2026.
Browse All Cities in Maryland

Electricity Generation for Neighboring States

National RankStateNet Generation# Power Plants
#34Connecticut45.9 TWh234
#49Delaware5.3 TWh59
#51District of Columbia196.6 GWh25
#7Georgia148.8 TWh345
#15Indiana107.4 TWh290
#22Kentucky72.9 TWh104
#45Maine15.2 TWh335
#43Massachusetts20.4 TWh769
#44New Hampshire18.7 TWh77
#28New Jersey61.0 TWh518
#10New York132.0 TWh1,410
#9North Carolina138.6 TWh1,157
#6Ohio153.0 TWh331
#3Pennsylvania243.2 TWh446
#46Rhode Island9.5 TWh122
#17South Carolina103.5 TWh311
#19Tennessee83.0 TWh139
#50Vermont2.0 TWh144
#16Virginia103.8 TWh365
#30West Virginia55.2 TWh69
* Net Generation data is based on the last 12 months since Aug 2026.