Electricity Generation Aggregated by Maryland County

State Rank	County	Net Generation (Past Year)	Power Plants
#20	Worcester County, MD	34.3 GWh	5
#19	Wicomico County, MD	44.7 GWh	11
#15	Washington County, MD	75.7 GWh	20
#23	Talbot County, MD	12.7 GWh	3
#12	Somerset County, MD	161.2 GWh	7
#10	Queen Anne's County, MD	316.6 GWh	10
#2	Prince George's County, MD	8.2 TWh	42
#7	Montgomery County, MD	833.3 GWh	18
#22	Kent County, MD	23.0 GWh	6
#17	Howard County, MD	73.8 GWh	26
#6	Harford County, MD	1.9 TWh	20
#8	Garrett County, MD	794.4 GWh	24
#18	Frederick County, MD	71.3 GWh	11
#13	Dorchester County, MD	153.4 GWh	8
#3	Charles County, MD	4.0 TWh	6
#5	Cecil County, MD	3.4 TWh	10
#21	Carroll County, MD	24.4 GWh	4
#14	Caroline County, MD	129.9 GWh	2
#1	Calvert County, MD	14.9 TWh	3
#16	Baltimore County, MD	74.9 GWh	31
#9	Baltimore city, MD	375.9 GWh	11
#4	Anne Arundel County, MD	3.5 TWh	13
#11	Allegany County, MD	200.3 GWh	5

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

Totals are based on the most recent 12 months net generation

List of All Maryland Counties