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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 Mar 2026.

Companies on File149
Plants on File268
Total Generation2.83G MMBtu
Total Sales 4.62G kWh
Total Revenue $1.17B

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

38.2 TWh

Total Annual Fuel Consumption

372.2 M MMBtu

Electric Companies in Maryland

149

Maryland
Power Plants

268

Natural Gas Rank

#30

Coal Rank

#29

Nuclear Rank

#18

Hydroelectric Rank

#13

Wind Rank

#30

Solar Rank

#25

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
Residential2.16G kWh35.85 cents/kWh$772.67M
Commercial2.15G kWh16.54 cents/kWh$355.11M
Industrial280.81M kWh14.76 cents/kWh$41.45M
Transportation35.06M kWh14.86 cents/kWh$5.21M
Total4.62G kWh25.43 cents/kWh$1.17B

* Data is aggregated from Jan 2001 to Mar 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, Maryland148.9 GWhSep 2022Mar 2026 Solar
#5Brandon ShoresBrandon Shores LLCBaltimore, Maryland2.4 TWhApr 1984Mar 2026 Bituminous Coal : 98.6% Distillate Fuel Oil : 1.4%
#8Brandywine Power FacilityKMC Thermo, LLCBrandywine, Maryland757.7 GWhJul 1996Mar 2026 Natural Gas : 95.4% Distillate Fuel Oil : 4.6%
#1Calvert Cliffs Nuclear Power PlantConstellation NuclearLusby, Maryland14.9 TWhApr 1975Mar 2026 Nuclear
#22Central Utility Plant at White OakGSA Metropolitan Service CenterSilver Spring, Maryland96.6 GWhOct 2003Mar 2026 Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
#6Chalk Point PowerChalk Point Power, LLCAquasco, Maryland2.2 TWhJul 1964Mar 2026 Natural Gas : 98.3% Distillate Fuel Oil : 1.7%
#7ConowingoConstellation Power, IncDarlington, Maryland1.6 TWhFeb 1928Mar 2026 Water
#2CPV St Charles Energy CenterCPV Maryland LLCWaldorf, Maryland4.5 TWhJan 2017Mar 2026 Natural Gas
#13CriterionCriterion Power Partners LLCOakland, Maryland248.9 GWhNov 2010Mar 2026 Wind
#16Dans MountainDans Mountain Wind Force, LLCFrostburg, Maryland149.6 GWh-Mar 2026 Wind
#11Dickerson PowerDickerson Power, LLCDickerson, Maryland271.6 GWhMay 1959Mar 2026 Natural Gas : 86.4% Distillate Fuel Oil : 13.6%
#15Essential Power Rock Springs LLCEssential Power Operating Services LLCRising Sun, Maryland179.0 GWhMay 2003Dec 2024 Natural Gas
#20Fourmile RidgeFourmile Wind Energy, LLCFrostburg, Maryland116.0 GWhNov 2014Mar 2026 Wind
#19Great Bay Solar 1Great Bay Solar I LLCPrincess Anne, Maryland133.9 GWhFeb 2018Mar 2026 Solar
#12Herbert A WagnerH.A. Wagner LLCBaltimore, Maryland250.9 GWhJan 1956Mar 2026 Distillate Fuel Oil : 90.8% Natural Gas : 9.2%
#23Jones Farm SolarUrban Grid SolarMillington, Maryland95.7 GWh-Mar 2026 Solar
#3Keys Energy CenterPSEG Keys Energy Center, LLCBrandywine, Maryland4.4 TWhJun 2018Mar 2026 Natural Gas
#14Montgomery County Resource RecoveryCovanta Montgomery, Inc.Dickerson, Maryland235.3 GWhApr 1995Mar 2026 Non-biogenic Municipal Solid Waste : 54.1% Biogenic Municipal Solid Waste : 44.3% Natural Gas : 1.6%
#18NIH Cogeneration FacilityNational Institutes of HealthBethesda, Maryland142.8 GWhJun 2004Mar 2026 Natural Gas
#9PerrymanConstellation Power Source Generation, LLCHarford County, Maryland345.1 GWhDec 1971Mar 2026 Natural Gas : 75.1% Distillate Fuel Oil : 24.9%
#21Roth Rock Wind Farm LLCRoth Rock Wind Farm LLCOakland, Maryland100.1 GWhJul 2011Mar 2026 Wind
#24UMCP CHP PlantTrigen-Cinergy Solutions College ParkCollege Park, Maryland84.4 GWhMay 2003Dec 2024 Natural Gas : 90.0% Distillate Fuel Oil : 10.0%
#10Wheelabrator Baltimore RefuseWheelabrator Environmental SystemsBaltimore, Maryland304.6 GWhOct 1984Mar 2026 Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
#4Wildcat Point Generation FacilityOld Dominion Electric CoopConowingo, Maryland3.4 TWhMar 2018Mar 2026 Natural Gas
* Data is based on the last 12 months since Mar 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, MD5177.7 GWh0.0 Wh149.6 GWh29.1 GWh0.0 Wh
#5Anne Arundel County, MD122.7 TWh23.2 GWh0.0 Wh32.6 GWh0.0 Wh
#9Baltimore city, MD11370.9 GWh48.0 GWh0.0 Wh9.1 GWh0.0 Wh
#15Baltimore County, MD2665.8 GWh0.0 Wh0.0 Wh40.5 GWh0.0 Wh
#1Calvert County, MD214.9 TWh0.0 Wh0.0 Wh0.0 Wh14.9 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, MD93.6 TWh3.6 TWh0.0 Wh15.0 GWh0.0 Wh
#3Charles County, MD64.6 TWh4.5 TWh0.0 Wh65.6 GWh0.0 Wh
#14Dorchester County, MD771.8 GWh0.0 Wh0.0 Wh67.2 GWh0.0 Wh
#17Frederick County, MD1157.3 GWh0.0 Wh0.0 Wh58.0 GWh0.0 Wh
#8Garrett County, MD16645.5 GWh0.0 Wh571.2 GWh57.3 GWh0.0 Wh
#6Harford County, MD192.1 TWh312.1 GWh0.0 Wh70.3 GWh0.0 Wh
#16Howard 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
#7Montgomery County, MD18775.4 GWh477.3 GWh0.0 Wh29.1 GWh0.0 Wh
#2Prince George's County, MD377.6 TWh7.4 TWh0.0 Wh71.8 GWh0.0 Wh
#10Queen Anne's County, MD9280.5 GWh0.0 Wh0.0 Wh280.5 GWh0.0 Wh
#12Somerset County, MD7157.4 GWh12.9 GWh0.0 Wh141.5 GWh0.0 Wh
#21Talbot County, MD316.8 GWh0.0 Wh0.0 Wh2.4 GWh0.0 Wh
#13Washington County, MD1976.7 GWh0.0 Wh0.0 Wh76.7 GWh0.0 Wh
#18Wicomico County, MD841.8 GWh0.0 Wh0.0 Wh30.1 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, Maryland2.2 TWh2
Baltimore, Maryland3.0 TWh15
Barnesville, Maryland506.9 GWh2
Bethesda, Maryland142.8 GWh1
Brandywine, Maryland5.2 TWh3
Church Hill, Maryland154.8 GWh2
College Park, Maryland86.7 GWh2
Darlington, Maryland1.6 TWh1
Edgewood, Maryland55.6 GWh2
Frostburg, Maryland265.6 GWh2
Hagerstown, Maryland54.9 GWh7
Lusby, Maryland14.9 TWh1
Millington, Maryland95.7 GWh1
Oakland, Maryland473.9 GWh6
Perryman, Maryland371.2 GWh10
Princess Anne, Maryland149.4 GWh3
Rising Sun, Maryland179.0 GWh1
Silver Spring, Maryland98.7 GWh2
Swanton, Maryland48.2 GWh1
Waldorf, Maryland4.5 TWh2
* Data is based on the last 12 months since Mar 2026.
Browse All Cities in Maryland

Electricity Generation for Neighboring States

National RankStateNet Generation# Power Plants
#34Connecticut44.1 TWh227
#49Delaware5.4 TWh47
#51District of Columbia162.4 GWh24
#6Georgia147.6 TWh339
#14Indiana108.8 TWh286
#22Kentucky72.0 TWh98
#45Maine15.9 TWh301
#41Massachusetts22.7 TWh737
#44New Hampshire19.7 TWh74
#28New Jersey61.3 TWh481
#10New York128.5 TWh1,281
#9North Carolina134.9 TWh1,132
#7Ohio147.4 TWh315
#3Pennsylvania244.7 TWh390
#46Rhode Island10.6 TWh116
#16South Carolina105.0 TWh304
#19Tennessee79.1 TWh137
#50Vermont2.3 TWh142
#15Virginia105.2 TWh345
#31West Virginia53.8 TWh67
* Net Generation data is based on the last 12 months since Mar 2026.