Electricity Generation Aggregated by Pennsylvania County

State Rank	County	Net Generation (Past Year)	Power Plants
#15	Adams County, PA	6.2 TWh	7
#20	Allegheny County, PA	5.0 TWh	18
#22	Armstrong County, PA	4.6 TWh	8
#4	Beaver County, PA	16.1 TWh	12
#11	Berks County, PA	7.4 TWh	11
#31	Blair County, PA	594.1 GWh	6
#16	Bradford County, PA	6.2 TWh	8
#9	Bucks County, PA	8.0 TWh	10
#8	Cambria County, PA	9.3 TWh	11
#32	Carbon County, PA	501.2 GWh	5
#40	Centre County, PA	85.8 GWh	3
#49	Chester County, PA	9.6 GWh	8
#45	Clarion County, PA	55.2 GWh	4
#26	Clearfield County, PA	1.4 TWh	4
#44	Cumberland County, PA	60.2 GWh	7
#39	Dauphin County, PA	93.9 GWh	5
#6	Delaware County, PA	11.2 TWh	7
#37	Elk County, PA	137.2 GWh	1
#47	Erie County, PA	39.6 GWh	6
#18	Fayette County, PA	5.7 TWh	8
#30	Franklin County, PA	602.6 GWh	14
#41	Fulton County, PA	81.7 GWh	1
#19	Greene County, PA	5.1 TWh	4
#42	Huntingdon County, PA	77.4 GWh	2
#17	Indiana County, PA	5.8 TWh	4
#7	Lackawanna County, PA	9.8 TWh	5
#24	Lancaster County, PA	1.8 TWh	15
#13	Lawrence County, PA	6.9 TWh	2
#21	Lebanon County, PA	4.8 TWh	4
#2	Luzerne County, PA	28.3 TWh	10
#14	Lycoming County, PA	6.5 TWh	8
#50	Mercer County, PA	6.0 GWh	1
#51	Monroe County, PA	2.9 GWh	2
#3	Montgomery County, PA	20.0 TWh	13
#23	Montour County, PA	3.2 TWh	2
#5	Northampton County, PA	13.0 TWh	11
#38	Northumberland County, PA	103.7 GWh	4
#28	Philadelphia County, PA	1.2 TWh	16
#34	Potter County, PA	263.9 GWh	3
#25	Schuylkill County, PA	1.7 TWh	14
#10	Snyder County, PA	7.6 TWh	4
#29	Somerset County, PA	922.4 GWh	16
#43	Susquehanna County, PA	60.3 GWh	5
#35	Tioga County, PA	225.8 GWh	6
#46	Union County, PA	45.5 GWh	3
#33	Venango County, PA	420.4 GWh	3
#48	Washington County, PA	38.7 GWh	8
#36	Wayne County, PA	177.4 GWh	4
#12	Westmoreland County, PA	7.1 TWh	4
#27	Wyoming County, PA	1.3 TWh	4
#1	York County, PA	35.6 TWh	13

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

Top 20 Pennsylvania Counties by Net Generation

Totals are based on the most recent 12 months net generation