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 May 2026.

Companies on File153
Plants on File277
Total Generation3.10G MMBtu
Total Sales 4.19G kWh
Total Revenue $768.04M

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

38.8 TWh

Total Annual Fuel Consumption

387.5 M MMBtu

Electric Companies in Maryland

153

Maryland
Power Plants

277

Natural Gas Rank

#28

Coal Rank

#32

Nuclear Rank

#19

Hydroelectric Rank

#22

Wind Rank

#31

Solar Rank

#26

Monthly Net Generation for Maryland

Monthly Plant Fuel Consumption for Maryland

Electricity Sales Distribution

Electricity Sales, Price, and Revenue Breakdown

SalesPrice (Avg)Revenue
Residential1.80G kWh21.77 cents/kWh$392.99M
Commercial2.05G kWh16.40 cents/kWh$336.47M
Industrial292.44M kWh11.22 cents/kWh$32.82M
Transportation40.39M kWh14.26 cents/kWh$5.76M
Total4.19G kWh18.33 cents/kWh$768.04M

Production by Source for Maryland

Largest 24 Power Plants in Maryland

RankPlantUtilityLocationAnnual GenerationInitial Operation DateLast UpdateFuel Types
#17Bluegrass SolarMN8 Energy LLCChurch Hill, Maryland151.7 GWhSep 2022May 2026 Solar
#5Brandon ShoresBrandon Shores LLCBaltimore, Maryland3.0 TWhApr 1984May 2026 Bituminous Coal : 98.8% Distillate Fuel Oil : 1.2%
#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 1975May 2026 Nuclear
#24Central Utility Plant at White OakGSA Metropolitan Service CenterSilver Spring, Maryland96.0 GWhOct 2003May 2026 Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
#6Chalk Point PowerChalk Point Power, LLCAquasco, Maryland2.6 TWhJul 1964May 2026 Natural Gas : 98.4% Distillate Fuel Oil : 1.6%
#7ConowingoConstellation Power, IncDarlington, Maryland1.6 TWhFeb 1928May 2026 Water
#23CPV Backbone SolarCPV Backbone Solar, LLCSwanton, Maryland96.2 GWhNov 2025May 2026 Solar
#3CPV St Charles Energy CenterCPV Maryland LLCWaldorf, Maryland3.7 TWhJan 2017May 2026 Natural Gas
#14CriterionCriterion Power Partners LLCOakland, Maryland258.7 GWhNov 2010May 2026 Wind
#16Dans MountainDans Mountain Wind Force, LLCFrostburg, Maryland163.7 GWhApr 2025May 2026 Wind
#13Dickerson PowerDickerson Power, LLCDickerson, Maryland299.5 GWhMay 1959May 2026 Natural Gas : 87.6% Distillate Fuel Oil : 12.4%
#9Essential Power Rock Springs LLCEssential Power Operating Services LLCRising Sun, Maryland407.7 GWhMay 2003Dec 2025 Natural Gas
#21Fourmile RidgeFourmile Wind Energy, LLCFrostburg, Maryland112.9 GWhNov 2014May 2026 Wind
#18Great Bay Solar 1Great Bay Solar I LLCPrincess Anne, Maryland135.1 GWhFeb 2018May 2026 Solar
#11Herbert A WagnerH.A. Wagner LLCBaltimore, Maryland356.6 GWhJan 1956May 2026 Distillate Fuel Oil : 93.4% Natural Gas : 6.6%
#19Jones Farm SolarUrban Grid SolarMillington, Maryland124.2 GWhMay 2025May 2026 Solar
#2KeyParkway Generation Keys Energy Center LLCBrandywine, Maryland4.4 TWhJun 2018May 2026 Natural Gas
#15Montgomery County Resource RecoveryCovanta Montgomery, Inc.Dickerson, Maryland229.0 GWhApr 1995May 2026 Non-biogenic Municipal Solid Waste : 53.9% Biogenic Municipal Solid Waste : 44.1% Natural Gas : 2.1%
#20NIH Cogeneration FacilityNational Institutes of HealthBethesda, Maryland123.4 GWhJun 2004May 2026 Natural Gas
#10PerrymanConstellation Power Source Generation, LLCHarford County, Maryland361.2 GWhDec 1971May 2026 Natural Gas : 72.8% Distillate Fuel Oil : 27.2%
#22Roth Rock Wind Farm LLCRoth Rock Wind Farm LLCOakland, Maryland99.2 GWhJul 2011May 2026 Wind
#12Wheelabrator Baltimore RefuseWheelabrator Environmental SystemsBaltimore, Maryland313.4 GWhOct 1984May 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
#4Wildcat Point Generation FacilityOld Dominion Electric CoopConowingo, Maryland3.2 TWhMar 2018May 2026 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
#11Allegany County, MD5195.8 GWh0.0 Wh163.7 GWh32.1 GWh0.0 Wh
#5Anne Arundel County, MD123.4 TWh23.4 GWh0.0 Wh37.0 GWh0.0 Wh
#9Baltimore city, MD11380.5 GWh45.2 GWh0.0 Wh8.5 GWh0.0 Wh
#17Baltimore County, MD2970.0 GWh0.0 Wh0.0 Wh50.8 GWh0.0 Wh
#1Calvert County, MD314.9 TWh0.0 Wh0.0 Wh0.0 Wh14.9 TWh
#21Caroline County, MD217.8 GWh0.0 Wh0.0 Wh17.8 GWh0.0 Wh
#20Carroll County, MD424.4 GWh0.0 Wh0.0 Wh24.4 GWh0.0 Wh
#4Cecil County, MD93.7 TWh3.6 TWh0.0 Wh20.8 GWh0.0 Wh
#3Charles County, MD63.8 TWh3.7 TWh0.0 Wh67.9 GWh0.0 Wh
#13Dorchester County, MD793.8 GWh0.0 Wh0.0 Wh89.2 GWh0.0 Wh
#16Frederick County, MD1170.9 GWh0.0 Wh0.0 Wh71.8 GWh0.0 Wh
#8Garrett County, MD16701.4 GWh0.0 Wh574.9 GWh112.1 GWh0.0 Wh
#6Harford County, MD192.0 TWh310.1 GWh0.0 Wh77.0 GWh0.0 Wh
#15Howard County, MD2574.2 GWh3.0 GWh0.0 Wh71.0 GWh0.0 Wh
#22Kent County, MD617.3 GWh0.0 Wh0.0 Wh17.3 GWh0.0 Wh
#7Montgomery County, MD18780.3 GWh487.2 GWh0.0 Wh30.9 GWh0.0 Wh
#2Prince George's County, MD408.0 TWh7.8 TWh0.0 Wh83.4 GWh0.0 Wh
#10Queen Anne's County, MD9310.4 GWh0.0 Wh0.0 Wh310.4 GWh0.0 Wh
#12Somerset County, MD7158.0 GWh13.6 GWh0.0 Wh142.0 GWh0.0 Wh
#23Talbot County, MD314.2 GWh0.0 Wh0.0 Wh2.3 GWh0.0 Wh
#14Washington County, MD2077.4 GWh0.0 Wh0.0 Wh77.4 GWh0.0 Wh
#18Wicomico County, MD844.5 GWh0.0 Wh0.0 Wh30.5 GWh0.0 Wh
#19Worcester County, MD534.3 GWh24.9 MWh0.0 Wh34.2 GWh0.0 Wh

Top 20 Electricity Producing Cities in Maryland

Electricity Generation for Neighboring States

National RankStateNet Generation# Power Plants
#32Connecticut45.5 TWh233
#49Delaware5.5 TWh54
#51District of Columbia194.5 GWh25
#7Georgia146.5 TWh344
#14Indiana107.9 TWh289
#22Kentucky73.5 TWh103
#45Maine15.1 TWh314
#41Massachusetts21.9 TWh760
#44New Hampshire18.5 TWh76
#27New Jersey61.9 TWh512
#10New York130.8 TWh1,371
#9North Carolina136.7 TWh1,151
#6Ohio150.5 TWh326
#3Pennsylvania243.7 TWh418
#46Rhode Island10.0 TWh119
#17South Carolina102.4 TWh307
#19Tennessee81.8 TWh139
#50Vermont2.0 TWh144
#16Virginia105.4 TWh354
#30West Virginia54.9 TWh69