Electricity Generation Aggregated by Maryland County

State Rank	County	Net Generation (Past Year)	Power Plants
#18	Caroline County, MD	55.1 GWh	2
#1	Calvert County, MD	14.9 TWh	3
#23	Talbot County, MD	13.4 GWh	3
#21	Carroll County, MD	24.4 GWh	4
#11	Allegany County, MD	197.1 GWh	5
#20	Worcester County, MD	34.3 GWh	5
#3	Charles County, MD	3.9 TWh	6
#22	Kent County, MD	17.3 GWh	6
#12	Somerset County, MD	159.8 GWh	7
#13	Dorchester County, MD	103.8 GWh	8
#4	Cecil County, MD	3.6 TWh	10
#10	Queen Anne's County, MD	318.6 GWh	10
#9	Baltimore city, MD	378.0 GWh	11
#16	Frederick County, MD	71.2 GWh	11
#19	Wicomico County, MD	44.6 GWh	11
#5	Anne Arundel County, MD	3.4 TWh	13
#7	Montgomery County, MD	796.3 GWh	18
#6	Harford County, MD	1.9 TWh	20
#14	Washington County, MD	78.1 GWh	20
#8	Garrett County, MD	731.6 GWh	24
#15	Howard County, MD	74.2 GWh	26
#17	Baltimore County, MD	70.0 GWh	31
#2	Prince George's County, MD	8.1 TWh	42

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

Totals are based on the most recent 12 months net generation

List of All Maryland Counties