Electricity Generation Aggregated by Maryland County

State Rank	County	Net Generation (Past Year)	Power Plants
#1	Calvert County, MD	14.6 TWh	2
#23	Caroline County, MD	1.3 GWh	2
#22	Talbot County, MD	3.7 GWh	3
#21	Worcester County, MD	13.5 GWh	4
#19	Carroll County, MD	24.8 GWh	4
#7	Allegany County, MD	768.4 GWh	5
#3	Charles County, MD	4.1 TWh	6
#20	Kent County, MD	17.7 GWh	6
#18	Wicomico County, MD	43.6 GWh	7
#4	Cecil County, MD	3.3 TWh	7
#17	Dorchester County, MD	50.4 GWh	7
#12	Somerset County, MD	156.2 GWh	7
#11	Queen Anne's County, MD	197.5 GWh	9
#5	Anne Arundel County, MD	2.7 TWh	11
#16	Frederick County, MD	59.5 GWh	11
#10	Baltimore city, MD	357.5 GWh	11
#9	Garrett County, MD	632.4 GWh	14
#8	Montgomery County, MD	689.3 GWh	18
#6	Harford County, MD	1.8 TWh	19
#13	Washington County, MD	79.4 GWh	19
#15	Howard County, MD	60.4 GWh	21
#14	Baltimore County, MD	65.8 GWh	25
#2	Prince George's County, MD	6.7 TWh	34

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

Totals are based on the most recent 12 months net generation

List of All Maryland Counties