Summary of Electricity Activity in Maryland

Summary of Maryland Generation

Maryland is ranked #39 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 Oct 2025.

Companies on File	149
Plants on File	268
Total Generation	3.54G MMBtu
Total Sales	3.99G kWh
Total Revenue	$724.65M

Map of Top Producing Cities in the Maryland

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Overall National Rank

#39 /51 U.S. States

In Net Annual Generation

Overall Annual Net Geneneration

37.5 TWh

Total Annual Fuel Consumption

374.7 M MMBtu

Electric Companies in Maryland

149

Maryland
Power Plants

268

Natural Gas Rank

#20

Coal Rank

#35

Nuclear Rank

#17

Hydroelectric Rank

#38

Wind Rank

#30

Solar Rank

#24

Monthly Net Generation for Maryland

Electricity Sales Distribution

Electricity Sales, Price, and Revenue Breakdown

	Sales	Price (Avg)	Revenue
Residential	1.63G kWh	22.30 cents/kWh	$363.75M
Commercial	2.04G kWh	15.39 cents/kWh	$314.51M
Industrial	286.96M kWh	14.48 cents/kWh	$41.55M
Transportation	32.43M kWh	14.92 cents/kWh	$4.84M
Total	3.99G kWh	18.14 cents/kWh	$724.65M

* Data is aggregated from Jan 2001 to Oct 2025.

Production by Source

Largest 24 Power Plants in Maryland

Rank	Plant	Utility	Location	Annual Generation	Initial Operation Date	Last Update	Fuel Types
#8	AES Warrior Run Cogeneration Facility	AES WR Ltd Partnership	Cumberland, Maryland	726.4 GWh	Jul 1999	Jun 2024	Bituminous Coal : 99.8%
#18	Bluegrass Solar	MN8 Energy LLC	Church Hill, Maryland	152.4 GWh	Sep 2022	Oct 2025	Solar
#5	Brandon Shores	Brandon Shores LLC	Baltimore, Maryland	2.3 TWh	Apr 1984	Oct 2025	Bituminous Coal : 98.6% Distillate Fuel Oil : 1.4%
#9	Brandywine Power Facility	KMC Thermo, LLC	Brandywine, Maryland	698.3 GWh	Jul 1996	Oct 2025	Natural Gas : 95.6% Distillate Fuel Oil : 4.4%
#1	Calvert Cliffs Nuclear Power Plant	Constellation Nuclear	Lusby, Maryland	14.8 TWh	Apr 1975	Oct 2025	Nuclear
#22	Central Utility Plant at White Oak	GSA Metropolitan Service Center	Silver Spring, Maryland	94.0 GWh	Oct 2003	Oct 2025	Natural Gas : 99.5% Distillate Fuel Oil : 0.5%
#7	Chalk Point Power	Chalk Point Power, LLC	Aquasco, Maryland	1.4 TWh	Jul 1964	Oct 2025	Natural Gas : 97.9% Distillate Fuel Oil : 2.1%
#6	Conowingo	Constellation Power, Inc	Darlington, Maryland	1.6 TWh	Feb 1928	Oct 2025	Water
#3	CPV St Charles Energy Center	CPV Maryland LLC	Waldorf, Maryland	4.4 TWh	Jan 2017	Oct 2025	Natural Gas
#12	Criterion	Criterion Power Partners LLC	Oakland, Maryland	243.7 GWh	Nov 2010	Oct 2025	Wind
#14	Dickerson Power	Dickerson Power, LLC	Dickerson, Maryland	207.6 GWh	May 1959	Oct 2025	Natural Gas : 98.3% Distillate Fuel Oil : 1.7%
#16	Essential Power Rock Springs LLC	Essential Power Operating Services LLC	Rising Sun, Maryland	179.0 GWh	May 2003	Dec 2024	Natural Gas
#23	Fair Wind	Fair Wind Power Partners, LLC	Oakland, Maryland	85.1 GWh	Oct 2015	Oct 2025	Wind
#20	Fourmile Ridge	Fourmile Wind Energy, LLC	Frostburg, Maryland	118.4 GWh	Nov 2014	Oct 2025	Wind
#19	Great Bay Solar 1	Great Bay Solar I LLC	Princess Anne, Maryland	136.3 GWh	Feb 2018	Oct 2025	Solar
#13	Herbert A Wagner	H.A. Wagner LLC	Baltimore, Maryland	212.6 GWh	Jan 1956	Oct 2025	Distillate Fuel Oil : 88.7% Natural Gas : 11.3%
#2	Keys Energy Center	PSEG Keys Energy Center, LLC	Brandywine, Maryland	4.7 TWh	Jun 2018	Oct 2025	Natural Gas
#11	Montgomery County Resource Recovery	Covanta Montgomery, Inc.	Dickerson, Maryland	278.5 GWh	Apr 1995	Oct 2025	Non-biogenic Municipal Solid Waste : 54.5% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.9%
#17	NIH Cogeneration Facility	National Institutes of Health	Bethesda, Maryland	153.6 GWh	Jun 2004	Oct 2025	Natural Gas
#15	Perryman	Constellation Power Source Generation, LLC	Harford County, Maryland	205.0 GWh	Dec 1971	Oct 2025	Natural Gas : 79.8% Distillate Fuel Oil : 20.2%
#21	Roth Rock Wind Farm LLC	Roth Rock Wind Farm LLC	Oakland, Maryland	105.5 GWh	Jul 2011	Oct 2025	Wind
#24	UMCP CHP Plant	Trigen-Cinergy Solutions College Park	College Park, Maryland	84.4 GWh	May 2003	Dec 2024	Natural Gas : 90.0% Distillate Fuel Oil : 10.0%
#10	Wheelabrator Baltimore Refuse	Wheelabrator Environmental Systems	Baltimore, Maryland	298.6 GWh	Oct 1984	Oct 2025	Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0%
#4	Wildcat Point Generation Facility	Old Dominion Electric Coop	Conowingo, Maryland	3.3 TWh	Mar 2018	Oct 2025	Natural Gas

* Data is based on the last 12 months since Oct 2025.

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Electricity Generation by Maryland Counties

State Rank	County	# Power Plants	Net Generation Past 12 Months	Net Generation from Natural Gas	Net Generation from Wind	Net Generation from Solar	Net Generation from Nuclear
#7	Allegany County, MD	5	807.0 GWh	0.0 Wh	52.4 GWh	29.1 GWh	0.0 Wh
#5	Anne Arundel County, MD	12	2.6 TWh	23.9 GWh	0.0 Wh	32.6 GWh	0.0 Wh
#10	Baltimore city, MD	11	367.2 GWh	54.4 GWh	0.0 Wh	9.1 GWh	0.0 Wh
#14	Baltimore County, MD	26	65.8 GWh	0.0 Wh	0.0 Wh	40.5 GWh	0.0 Wh
#1	Calvert County, MD	2	14.8 TWh	0.0 Wh	0.0 Wh	0.0 Wh	14.8 TWh
#23	Caroline County, MD	2	1.3 GWh	0.0 Wh	0.0 Wh	1.3 GWh	0.0 Wh
#19	Carroll County, MD	4	24.8 GWh	0.0 Wh	0.0 Wh	24.8 GWh	0.0 Wh
#4	Cecil County, MD	9	3.5 TWh	3.4 TWh	0.0 Wh	15.0 GWh	0.0 Wh
#3	Charles County, MD	6	4.5 TWh	4.4 TWh	0.0 Wh	65.4 GWh	0.0 Wh
#17	Dorchester County, MD	7	50.4 GWh	0.0 Wh	0.0 Wh	45.8 GWh	0.0 Wh
#16	Frederick County, MD	11	58.0 GWh	0.0 Wh	0.0 Wh	58.7 GWh	0.0 Wh
#9	Garrett County, MD	16	605.2 GWh	0.0 Wh	579.1 GWh	9.1 GWh	0.0 Wh
#6	Harford County, MD	19	1.9 TWh	216.6 GWh	0.0 Wh	56.8 GWh	0.0 Wh
#15	Howard County, MD	25	63.5 GWh	1.9 GWh	0.0 Wh	61.4 GWh	0.0 Wh
#20	Kent County, MD	6	17.7 GWh	0.0 Wh	0.0 Wh	17.7 GWh	0.0 Wh
#8	Montgomery County, MD	18	762.8 GWh	453.5 GWh	0.0 Wh	29.1 GWh	0.0 Wh
#2	Prince George's County, MD	37	6.9 TWh	6.8 TWh	0.0 Wh	71.8 GWh	0.0 Wh
#11	Queen Anne's County, MD	9	248.2 GWh	0.0 Wh	0.0 Wh	248.2 GWh	0.0 Wh
#12	Somerset County, MD	7	157.5 GWh	10.7 GWh	0.0 Wh	143.9 GWh	0.0 Wh
#22	Talbot County, MD	3	6.8 GWh	0.0 Wh	0.0 Wh	2.4 GWh	0.0 Wh
#13	Washington County, MD	19	77.7 GWh	0.0 Wh	0.0 Wh	77.7 GWh	0.0 Wh
#18	Wicomico County, MD	8	43.1 GWh	0.0 Wh	0.0 Wh	31.4 GWh	0.0 Wh
#21	Worcester County, MD	4	13.5 GWh	60.5 MWh	0.0 Wh	13.4 GWh	0.0 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

City	Net Generation	# Power Plants
Aquasco, Maryland	1.4 TWh	2
Baltimore, Maryland	2.9 TWh	15
Barnesville, Maryland	486.1 GWh	2
Bethesda, Maryland	153.6 GWh	1
Brandywine, Maryland	5.4 TWh	3
Church Hill, Maryland	158.9 GWh	2
College Park, Maryland	86.7 GWh	2
Cumberland, Maryland	725.5 GWh	2
Darlington, Maryland	1.6 TWh	1
Edgewood, Maryland	54.9 GWh	2
Frostburg, Maryland	170.8 GWh	2
Hagerstown, Maryland	55.9 GWh	7
Lusby, Maryland	14.8 TWh	1
Millington, Maryland	59.4 GWh	1
Oakland, Maryland	479.4 GWh	6
Perryman, Maryland	231.1 GWh	10
Princess Anne, Maryland	149.6 GWh	3
Rising Sun, Maryland	179.0 GWh	1
Silver Spring, Maryland	96.1 GWh	2
Waldorf, Maryland	4.4 TWh	2

* Data is based on the last 12 months since Oct 2025.

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Electricity Generation for Neighboring States

National Rank	State	Net Generation	# Power Plants
#34	Connecticut	43.6 TWh	227
#49	Delaware	5.1 TWh	47
#51	District of Columbia	175.8 GWh	24
#7	Georgia	144.4 TWh	339
#13	Indiana	107.8 TWh	285
#22	Kentucky	71.6 TWh	98
#45	Maine	15.0 TWh	301
#41	Massachusetts	24.0 TWh	736
#44	New Hampshire	18.1 TWh	74
#29	New Jersey	59.3 TWh	481
#10	New York	128.2 TWh	1,281
#9	North Carolina	134.7 TWh	1,131
#6	Ohio	145.4 TWh	313
#3	Pennsylvania	245.9 TWh	390
#46	Rhode Island	10.0 TWh	116
#14	South Carolina	104.4 TWh	304
#21	Tennessee	72.8 TWh	137
#50	Vermont	2.3 TWh	142
#15	Virginia	104.3 TWh	345
#31	West Virginia	51.1 TWh	66

* Net Generation data is based on the last 12 months since Oct 2025