Summary of Electricity Activity in Harford County, MD

Summary of Harford County, MD Generation

Harford County, MD is ranked #512 out of 2,164 U.S. counties nationwide and #6 out of 23 Maryland counties in terms of total annual net electricity generation.

Annual Generation	1.9 TWh
Annual Consumption	9.3 M MMBtu
Last Update	Sep 2025
Power Plants	19
Companies on File	10

Map of Top Producing Plants in Harford County, MD

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Overall National Rank

#512 /2,164 U.S. Counties

In Net Annual Generation

Overall State Rank

#6 /23 Maryland Counties

In Net Annual Generation

Overall Annual Net Geneneration

1.9 TWh

Total Annual Fuel Consumption

9.3 M MMBtu

Electric Companies in Harford County, MD

Harford County, MD
Power Plants

Annual Net Generation From hydroelectric power

1.6 TWh

National Rank in Terms of hydroelectric Net Electricity Generation

#29 /547 U.S. Counties

State Rank in Terms of hydroelectric Net Electricity Generation

#1 /2 Maryland Counties

Monthly Net Generation for Harford County, MD

Net Generation by Fuel Source

Net Generation by Fuel Source Breakdown

	State Rank	National Rank	Generation	Fuel Consumption
All	#6 / 23	#512 / 2164	1.94 TWh	9.30 M MMBtu
Water	#1 / 2	#29 / 547	1.64 TWh	5.76 M MMBtu
Natural Gas	#5 / 10	#462 / 929	208.71 GWh	2.89 M MMBtu
Solar	#8 / 22	#557 / 1233	53.51 GWh	188.70 k MMBtu
Distillate Fuel Oil	#3 / 12	#31 / 737	39.78 GWh	455.73 k MMBtu

* Data is based on 12 months since Sep 2025.

Power Plants in Harford County, MD

Plant	Utility Name	Generation	Consumption	Fuel Types
Conowingo	Constellation Power, Inc	1.6 TWh	5.8 M MMBtu	Water
Perryman	Constellation Power Source Generation, LLC	195.5 GWh	2.3 M MMBtu	Natural Gas : 79.7% Distillate Fuel Oil : 20.3%
APG Combined Heat and Power Plant	US Dept of Army, Garrison, APG	53.0 GWh	1.0 M MMBtu	Natural Gas
Fairview Farms	Madison Energy Investments LLC	14.0 GWh	47.8 k MMBtu	Solar
APG New Chesapeake	Onyx Asset Services Group	4.1 GWh	14.5 k MMBtu	Solar
City of Havre De Grace C	Luminace Solar MC, LLC	3.3 GWh	11.8 k MMBtu	Solar
Sod Run WTP A	Luminace Solar MC, LLC	3.3 GWh	11.7 k MMBtu	Solar
Archdiocese of Baltimore L	Luminace Solar MC, LLC	3.3 GWh	11.6 k MMBtu	Solar
Archdiocese of Baltimore J	Luminace Solar MC, LLC	3.3 GWh	11.6 k MMBtu	Solar
Baltimore City D	Luminace Solar MC, LLC	3.1 GWh	10.8 k MMBtu	Solar
Baltimore City F	Luminace Solar MC, LLC	3.1 GWh	10.9 k MMBtu	Solar
APG Old Bayside	Onyx Asset Services Group	3.0 GWh	10.5 k MMBtu	Solar
Baltimore City G	Luminace Solar MC, LLC	2.9 GWh	10.5 k MMBtu	Solar
The Clorox Company	Tesla Inc.	2.4 GWh	8.5 k MMBtu	Solar
McCormick & Co. Inc. at Belcamp	Luminace Solar Maryland, LLC	2.2 GWh	8.0 k MMBtu	Solar
Baltimore City B	Luminace Solar MC, LLC	2.0 GWh	7.3 k MMBtu	Solar
Havre de Grace II - E at Perryman	Luminace Solar MC, LLC	1.9 GWh	6.8 k MMBtu	Solar
Macy's MD Joppa Solar Project	Northstar Macy's Maryland 2015, LLC	1.7 GWh	6.4 k MMBtu	Solar
Harford Waste to Energy Facility	Energy Recovery Operations, Inc	0.0 Wh	0 MMBtu	No Information Available

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

View All Plants in Maryland

Electricity Generation for Neighboring Counties

National Rank	County	Net Generation	# Power Plants
#1104	Baltimore city	364.7 GWh	11
#1579	Baltimore County	65.8 GWh	26
#1761	Carroll County	24.8 GWh	4
#370	Cecil County	3.4 TWh	9
#1586	Howard County	63.5 GWh	25
#1808	Kent County	17.7 GWh	6
#544	Lancaster County	1.7 TWh	15
#336	New Castle County	3.8 TWh	19
#1239	Queen Anne's County	241.0 GWh	9
#3	York County	36.0 TWh	16

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

Electricity Generation for Cities Located in Harford County, MD

State Rank	City	Net Generation	# Power Plants
#44	Aberdeen, MD	9.5 GWh	3
#39	Bel Air, MD	14.0 GWh	1
#5	Darlington, MD	1.6 TWh	1
#19	Edgewood, MD	54.7 GWh	3
#10	Perryman, MD	221.6 GWh	10
#81	Riverside, MD	2.2 GWh	1

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