Electricity Generation Aggregated by Maryland County

State Rank	County	Net Generation (Past Year)	Power Plants
#23	Caroline County, MD	1.3 GWh	2
#22	Worcester County, MD	13.5 GWh	4
#21	Talbot County, MD	16.8 GWh	3
#20	Kent County, MD	17.7 GWh	6
#19	Carroll County, MD	24.8 GWh	4
#18	Wicomico County, MD	42.2 GWh	8
#17	Frederick County, MD	57.7 GWh	11
#16	Dorchester County, MD	62.9 GWh	7
#15	Howard County, MD	63.5 GWh	25
#14	Baltimore County, MD	65.8 GWh	26
#13	Washington County, MD	75.8 GWh	19
#12	Somerset County, MD	158.0 GWh	7
#11	Queen Anne's County, MD	272.0 GWh	9
#10	Baltimore city, MD	353.4 GWh	11
#9	Garrett County, MD	639.1 GWh	16
#8	Montgomery County, MD	762.0 GWh	18
#7	Allegany County, MD	885.7 GWh	5
#6	Harford County, MD	2.0 TWh	19
#5	Anne Arundel County, MD	2.7 TWh	12
#4	Cecil County, MD	3.7 TWh	9
#3	Charles County, MD	4.9 TWh	6
#2	Prince George's County, MD	7.3 TWh	37
#1	Calvert County, MD	14.6 TWh	2

Net Generation data is based on the last 12 months since Feb 2026

Totals are based on the most recent 12 months net generation

List of All Maryland Counties