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 Sep 2025.

Companies on File	149
Plants on File	268
Total Generation	2.94G MMBtu
Total Sales	4.64G kWh
Total Revenue	$815.48M

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

37.2 TWh

Total Annual Fuel Consumption

368.5 M MMBtu

Electric Companies in Maryland

149

Maryland
Power Plants

268

Natural Gas Rank

#28

Coal Rank

#37

Nuclear Rank

#19

Hydroelectric Rank

#39

Wind Rank

#31

Solar Rank

#25

Monthly Net Generation for Maryland

Electricity Sales Distribution

Electricity Sales, Price, and Revenue Breakdown

	Sales	Price (Avg)	Revenue
Residential	2.05G kWh	21.05 cents/kWh	$431.06M
Commercial	2.28G kWh	15.13 cents/kWh	$345.09M
Industrial	276.04M kWh	12.46 cents/kWh	$34.40M
Transportation	34.06M kWh	14.46 cents/kWh	$4.93M
Total	4.64G kWh	17.58 cents/kWh	$815.48M

* Data is aggregated from Jan 2001 to Sep 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%
#17	Bluegrass Solar	MN8 Energy LLC	Church Hill, Maryland	154.2 GWh	Sep 2022	Sep 2025	Solar
#5	Brandon Shores	Brandon Shores LLC	Baltimore, Maryland	2.4 TWh	Apr 1984	Sep 2025	Bituminous Coal : 98.7% Distillate Fuel Oil : 1.3%
#9	Brandywine Power Facility	KMC Thermo, LLC	Brandywine, Maryland	592.5 GWh	Jul 1996	Sep 2025	Natural Gas : 94.8% Distillate Fuel Oil : 5.2%
#1	Calvert Cliffs Nuclear Power Plant	Constellation Nuclear	Lusby, Maryland	14.7 TWh	Apr 1975	Sep 2025	Nuclear
#22	Central Utility Plant at White Oak	GSA Metropolitan Service Center	Silver Spring, Maryland	94.1 GWh	Oct 2003	Sep 2025	Natural Gas : 99.5% Distillate Fuel Oil : 0.5%
#7	Chalk Point Power	Chalk Point Power, LLC	Aquasco, Maryland	1.3 TWh	Jul 1964	Sep 2025	Natural Gas : 97.8% Distillate Fuel Oil : 2.2%
#6	Conowingo	Constellation Power, Inc	Darlington, Maryland	1.6 TWh	Feb 1928	Sep 2025	Water
#3	CPV St Charles Energy Center	CPV Maryland LLC	Waldorf, Maryland	4.3 TWh	Jan 2017	Sep 2025	Natural Gas
#12	Criterion	Criterion Power Partners LLC	Oakland, Maryland	238.1 GWh	Nov 2010	Sep 2025	Wind
#16	Dickerson Power	Dickerson Power, LLC	Dickerson, Maryland	173.7 GWh	May 1959	Sep 2025	Natural Gas : 98.2% Distillate Fuel Oil : 1.8%
#15	Essential Power Rock Springs LLC	Essential Power Operating Services LLC	Rising Sun, Maryland	179.0 GWh	May 2003	Dec 2024	Natural Gas
#24	Fair Wind	Fair Wind Power Partners, LLC	Oakland, Maryland	83.2 GWh	Oct 2015	Sep 2025	Wind
#20	Fourmile Ridge	Fourmile Wind Energy, LLC	Frostburg, Maryland	116.5 GWh	Nov 2014	Sep 2025	Wind
#19	Great Bay Solar 1	Great Bay Solar I LLC	Princess Anne, Maryland	138.5 GWh	Feb 2018	Sep 2025	Solar
#13	Herbert A Wagner	H.A. Wagner LLC	Baltimore, Maryland	206.2 GWh	Jan 1956	Sep 2025	Distillate Fuel Oil : 88.8% Natural Gas : 11.2%
#2	Keys Energy Center	PSEG Keys Energy Center, LLC	Brandywine, Maryland	4.7 TWh	Jun 2018	Sep 2025	Natural Gas
#11	Montgomery County Resource Recovery	Covanta Montgomery, Inc.	Dickerson, Maryland	289.0 GWh	Apr 1995	Sep 2025	Non-biogenic Municipal Solid Waste : 54.6% Biogenic Municipal Solid Waste : 44.6% Natural Gas : 0.8%
#18	NIH Cogeneration Facility	National Institutes of Health	Bethesda, Maryland	153.3 GWh	Jun 2004	Sep 2025	Natural Gas
#14	Perryman	Constellation Power Source Generation, LLC	Harford County, Maryland	195.5 GWh	Dec 1971	Sep 2025	Natural Gas : 79.7% Distillate Fuel Oil : 20.3%
#21	Roth Rock Wind Farm LLC	Roth Rock Wind Farm LLC	Oakland, Maryland	102.7 GWh	Jul 2011	Sep 2025	Wind
#23	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	295.2 GWh	Oct 1984	Sep 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	3.2 TWh	Mar 2018	Sep 2025	Natural Gas

* Data is based on the last 12 months since Sep 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	794.2 GWh	0.0 Wh	39.6 GWh	29.1 GWh	0.0 Wh
#5	Anne Arundel County, MD	12	2.7 TWh	23.2 GWh	0.0 Wh	32.6 GWh	0.0 Wh
#10	Baltimore city, MD	11	364.7 GWh	55.4 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	14.7 TWh	0.0 Wh	0.0 Wh	0.0 Wh	14.7 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	3.4 TWh	3.3 TWh	0.0 Wh	15.0 GWh	0.0 Wh
#3	Charles County, MD	6	4.4 TWh	4.3 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	58.3 GWh	0.0 Wh	0.0 Wh	59.0 GWh	0.0 Wh
#9	Garrett County, MD	16	592.3 GWh	0.0 Wh	566.2 GWh	9.1 GWh	0.0 Wh
#6	Harford County, MD	19	1.9 TWh	208.7 GWh	0.0 Wh	53.5 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	739.2 GWh	419.8 GWh	0.0 Wh	29.1 GWh	0.0 Wh
#2	Prince George's County, MD	37	6.8 TWh	6.7 TWh	0.0 Wh	73.8 GWh	0.0 Wh
#11	Queen Anne's County, MD	9	241.0 GWh	0.0 Wh	0.0 Wh	241.0 GWh	0.0 Wh
#12	Somerset County, MD	7	158.5 GWh	9.5 GWh	0.0 Wh	146.1 GWh	0.0 Wh
#22	Talbot County, MD	3	6.6 GWh	0.0 Wh	0.0 Wh	2.4 GWh	0.0 Wh
#13	Washington County, MD	19	78.2 GWh	0.0 Wh	0.0 Wh	78.2 GWh	0.0 Wh
#18	Wicomico County, MD	8	43.5 GWh	0.0 Wh	0.0 Wh	31.9 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	1.3 TWh	2
Baltimore, Maryland	3.0 TWh	15
Barnesville, Maryland	462.7 GWh	2
Bethesda, Maryland	153.3 GWh	1
Brandywine, Maryland	5.3 TWh	3
Church Hill, Maryland	160.9 GWh	2
College Park, Maryland	86.7 GWh	2
Cumberland, Maryland	725.5 GWh	2
Darlington, Maryland	1.6 TWh	1
Edgewood, Maryland	54.7 GWh	2
Frostburg, Maryland	156.2 GWh	2
Hagerstown, Maryland	56.4 GWh	7
Lusby, Maryland	14.7 TWh	1
Millington, Maryland	50.1 GWh	1
Oakland, Maryland	468.4 GWh	6
Perryman, Maryland	221.6 GWh	10
Princess Anne, Maryland	150.5 GWh	3
Rising Sun, Maryland	179.0 GWh	1
Silver Spring, Maryland	96.2 GWh	2
Waldorf, Maryland	4.3 TWh	2

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

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Electricity Generation for Neighboring States

National Rank	State	Net Generation	# Power Plants
#34	Connecticut	43.7 TWh	227
#49	Delaware	5.1 TWh	47
#51	District of Columbia	173.7 GWh	24
#7	Georgia	143.4 TWh	339
#13	Indiana	106.4 TWh	285
#22	Kentucky	70.9 TWh	98
#45	Maine	15.0 TWh	301
#41	Massachusetts	23.7 TWh	736
#44	New Hampshire	17.5 TWh	74
#29	New Jersey	59.3 TWh	481
#10	New York	128.6 TWh	1,281
#9	North Carolina	135.8 TWh	1,130
#6	Ohio	145.1 TWh	313
#3	Pennsylvania	246.3 TWh	390
#46	Rhode Island	10.0 TWh	116
#15	South Carolina	103.5 TWh	304
#21	Tennessee	72.4 TWh	137
#50	Vermont	2.3 TWh	142
#14	Virginia	105.6 TWh	345
#31	West Virginia	49.7 TWh	66

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