Electricity Generation Aggregated by Maryland County

State Rank	County	Net Generation (Past Year)	Power Plants
#2	Prince George's County, MD	6.6 TWh	34
#14	Baltimore County, MD	60.5 GWh	25
#18	Howard County, MD	36.8 GWh	21
#13	Washington County, MD	78.0 GWh	19
#7	Montgomery County, MD	825.2 GWh	18
#5	Harford County, MD	2.4 TWh	18
#9	Garrett County, MD	552.0 GWh	12
#10	Baltimore city, MD	385.9 GWh	11
#15	Frederick County, MD	58.4 GWh	11
#6	Anne Arundel County, MD	2.0 TWh	9
#11	Queen Anne's County, MD	197.1 GWh	9
#4	Cecil County, MD	3.5 TWh	7
#12	Somerset County, MD	153.7 GWh	7
#17	Wicomico County, MD	44.1 GWh	7
#16	Dorchester County, MD	55.8 GWh	6
#3	Charles County, MD	3.8 TWh	6
#20	Kent County, MD	18.3 GWh	6
#19	Carroll County, MD	24.7 GWh	4
#8	Allegany County, MD	725.3 GWh	4
#21	Worcester County, MD	13.6 GWh	4
#23	Talbot County, MD	537.0 MWh	3
#22	Caroline County, MD	2.6 GWh	2
#1	Calvert County, MD	14.8 TWh	2

Net Generation data is based on the last 12 months since Aug 2024

Totals are based on the most recent 12 months net generation

List of All Maryland Counties