Electricity Generation Aggregated by Maryland County

State Rank	County	Net Generation (Past Year)	Power Plants
#21	Caroline County, MD	17.8 GWh	2
#1	Calvert County, MD	14.9 TWh	3
#23	Talbot County, MD	14.2 GWh	3
#20	Carroll County, MD	24.4 GWh	4
#11	Allegany County, MD	195.8 GWh	5
#19	Worcester County, MD	34.3 GWh	5
#3	Charles County, MD	3.8 TWh	6
#22	Kent County, MD	17.3 GWh	6
#13	Dorchester County, MD	93.8 GWh	7
#12	Somerset County, MD	158.0 GWh	7
#18	Wicomico County, MD	44.5 GWh	8
#4	Cecil County, MD	3.7 TWh	9
#10	Queen Anne's County, MD	310.4 GWh	9
#9	Baltimore city, MD	380.5 GWh	11
#16	Frederick County, MD	70.9 GWh	11
#5	Anne Arundel County, MD	3.4 TWh	12
#8	Garrett County, MD	701.4 GWh	16
#7	Montgomery County, MD	780.3 GWh	18
#6	Harford County, MD	2.0 TWh	19
#14	Washington County, MD	77.4 GWh	20
#15	Howard County, MD	74.2 GWh	25
#17	Baltimore County, MD	70.0 GWh	29
#2	Prince George's County, MD	8.0 TWh	40

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

Totals are based on the most recent 12 months net generation

List of All Maryland Counties