Electricity Generation Aggregated by Maryland County

State Rank	County	Net Generation (Past Year)	Power Plants
#1	Calvert County, MD	14.7 TWh	2
#23	Caroline County, MD	1.3 GWh	2
#22	Talbot County, MD	6.6 GWh	3
#21	Worcester County, MD	13.5 GWh	4
#19	Carroll County, MD	24.8 GWh	4
#7	Allegany County, MD	794.2 GWh	5
#3	Charles County, MD	4.4 TWh	6
#20	Kent County, MD	17.7 GWh	6
#17	Dorchester County, MD	50.4 GWh	7
#12	Somerset County, MD	158.5 GWh	7
#18	Wicomico County, MD	43.5 GWh	8
#4	Cecil County, MD	3.4 TWh	9
#11	Queen Anne's County, MD	241.0 GWh	9
#10	Baltimore city, MD	364.7 GWh	11
#16	Frederick County, MD	58.3 GWh	11
#5	Anne Arundel County, MD	2.7 TWh	12
#9	Garrett County, MD	592.3 GWh	16
#8	Montgomery County, MD	739.2 GWh	18
#6	Harford County, MD	1.9 TWh	19
#13	Washington County, MD	78.2 GWh	19
#15	Howard County, MD	63.5 GWh	25
#14	Baltimore County, MD	65.8 GWh	26
#2	Prince George's County, MD	6.8 TWh	37

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

Totals are based on the most recent 12 months net generation

List of All Maryland Counties