Summary of Electricity Activity in Harford County, MD

Summary of Harford County, MD Generation

Harford County, MD is ranked #527 out of 2,192 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	11.5 M MMBtu
Last Update	Jun 2026
Power Plants	20
Companies on File	11

Map of Top Producing Plants in Harford County, MD

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Overall National Rank

#527 /2,192 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

11.5 M MMBtu

Electric Companies in Harford County, MD

Harford County, MD
Power Plants

Annual Net Generation From hydroelectric power

1.4 TWh

National Rank in Terms of hydroelectric Net Electricity Generation

#35 /535 U.S. Counties

State Rank in Terms of hydroelectric Net Electricity Generation

#1 /2 Maryland Counties

Monthly Net Generation for Harford County, MD

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Monthly Plant Fuel Consumption for Harford County, MD

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Net Generation by Fuel Source

Net Generation by Fuel Source Breakdown

	State Rank	National Rank	Generation	Fuel Consumption
All	#6 / 23	#527 / 2192	1.88 TWh	11.47 M MMBtu
Water	#1 / 2	#35 / 535	1.37 TWh	5.58 M MMBtu
Natural Gas	#5 / 10	#424 / 928	320.11 GWh	4.37 M MMBtu
Distillate Fuel Oil	#2 / 11	#13 / 742	102.70 GWh	1.23 M MMBtu
Solar	#6 / 22	#542 / 1318	83.28 GWh	293.78 k MMBtu

* Data is based on 12 months since Jun 2026.

Power Plants in Harford County, MD

Plant	Utility Name	Generation	Consumption	Fuel Types
Conowingo	Constellation Power, Inc	1.4 TWh	5.6 M MMBtu	Water
Perryman	Constellation Power Source Generation, LLC	375.7 GWh	4.6 M MMBtu	Natural Gas : 72.7% Distillate Fuel Oil : 27.3%
APG Combined Heat and Power Plant	US Dept of Army, Garrison, APG	47.1 GWh	964.7 k MMBtu	Natural Gas
Fairview Farms	Madison Energy Investments LLC	43.5 GWh	151.5 k MMBtu	Solar
APG New Chesapeake	Onyx Asset Services Group	4.1 GWh	14.5 k MMBtu	Solar
Archdiocese of Baltimore L	Luminace Solar MC, LLC	3.2 GWh	11.6 k MMBtu	Solar
Sod Run WTP A	Luminace Solar MC, LLC	3.2 GWh	11.6 k MMBtu	Solar
Macy's MD Joppa Solar Project	Northstar Macy's Maryland 2015, LLC	3.2 GWh	11.6 k MMBtu	Solar
Archdiocese of Baltimore J	Luminace Solar MC, LLC	3.2 GWh	11.3 k MMBtu	Solar
City of Havre De Grace C	Luminace Solar MC, LLC	3.1 GWh	11.3 k MMBtu	Solar
Baltimore City D	Luminace Solar MC, LLC	3.0 GWh	10.7 k MMBtu	Solar
Baltimore City B	Luminace Solar MC, LLC	3.0 GWh	10.5 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
Baltimore City F	Luminace Solar MC, LLC	2.9 GWh	10.4 k MMBtu	Solar
The Clorox Company	Tesla Inc.	2.3 GWh	8.3 k MMBtu	Solar
Havre de Grace II - E at Perryman	Luminace Solar MC, LLC	1.9 GWh	6.7 k MMBtu	Solar
McCormick & Co. Inc. at Belcamp	Luminace Solar Maryland, LLC	716.0 MWh	2.8 k MMBtu	Solar
4622 Mercedes Dr Solar, LLC	SRC Partnership 13, LLC	0.0 Wh	0 MMBtu	No Information Available
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 Jun 2026.

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Electricity Generation for Neighboring Counties

National Rank	County	Net Generation	# Power Plants
#1121	Baltimore city	378.0 GWh	11
#1603	Baltimore County	70.0 GWh	31
#1783	Carroll County	24.4 GWh	4
#355	Cecil County	3.6 TWh	10
#1594	Howard County	74.2 GWh	26
#1839	Kent County	17.3 GWh	6
#611	Lancaster County	1.5 TWh	15
#312	New Castle County	4.2 TWh	19
#1186	Queen Anne's County	318.6 GWh	10
#4	York County	35.7 TWh	16

* Net Generation data is based on the last 12 months since Jun 2026.

Electricity Generation for Cities Located in Harford County, MD

State Rank	City	Net Generation	# Power Plants
#51	Aberdeen, MD	9.4 GWh	3
#24	Bel Air, MD	43.5 GWh	1
#6	Darlington, MD	1.4 TWh	1
#22	Edgewood, MD	50.3 GWh	3
#10	Perryman, MD	402.1 GWh	10
#104	Riverside, MD	716.0 MWh	2

* Net Generation data is based on the last 12 months since Jun 2026.