Electricity Generation Aggregated by South Carolina County

State Rank	County	Net Generation (Past Year)	Power Plants
#42	Abbeville County, SC	87.0 MWh	1
#41	Colleton County, SC	3.4 GWh	4
#40	Newberry County, SC	5.8 GWh	2
#39	Bamberg County, SC	11.9 GWh	3
#38	Greenwood County, SC	15.1 GWh	6
#37	Clarendon County, SC	15.1 GWh	4
#36	Charleston County, SC	17.9 GWh	5
#35	Greenville County, SC	21.7 GWh	9
#34	Marion County, SC	24.8 GWh	11
#33	Dillon County, SC	32.4 GWh	11
#32	Williamsburg County, SC	38.7 GWh	3
#31	Lee County, SC	59.8 GWh	10
#30	Barnwell County, SC	69.1 GWh	8
#29	Hampton County, SC	80.6 GWh	4
#28	Spartanburg County, SC	82.2 GWh	19
#27	Union County, SC	121.3 GWh	6
#26	Horry County, SC	122.7 GWh	9
#25	Dorchester County, SC	130.4 GWh	1
#24	Chesterfield County, SC	145.9 GWh	3
#23	Beaufort County, SC	168.3 GWh	6
#22	Lancaster County, SC	170.9 GWh	3
#21	Saluda County, SC	183.3 GWh	4
#20	Marlboro County, SC	219.8 GWh	3
#19	Chester County, SC	230.9 GWh	3
#18	Kershaw County, SC	255.3 GWh	2
#17	Allendale County, SC	340.1 GWh	6
#16	Florence County, SC	402.3 GWh	12
#15	McCormick County, SC	650.7 GWh	1
#14	Lexington County, SC	792.7 GWh	12
#13	Cherokee County, SC	1.6 TWh	7
#12	Aiken County, SC	2.1 TWh	6
#11	Orangeburg County, SC	2.2 TWh	17
#10	Calhoun County, SC	3.4 TWh	7
#9	Richland County, SC	3.5 TWh	6
#8	Jasper County, SC	3.5 TWh	5
#7	Georgetown County, SC	4.7 TWh	7
#6	Darlington County, SC	6.3 TWh	28
#5	Fairfield County, SC	8.4 TWh	5
#4	Anderson County, SC	10.8 TWh	17
#3	Berkeley County, SC	11.9 TWh	8
#2	York County, SC	19.5 TWh	4
#1	Oconee County, SC	22.1 TWh	4

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

Totals are based on the most recent 12 months net generation

List of All South Carolina Counties