Electricity Generation Aggregated by South Carolina County

State Rank	County	Net Generation (Past Year)	Power Plants
#42	Abbeville County, SC	87.0 MWh	1
#12	Aiken County, SC	1.9 TWh	6
#17	Allendale County, SC	343.4 GWh	6
#4	Anderson County, SC	10.0 TWh	17
#39	Bamberg County, SC	11.9 GWh	3
#30	Barnwell County, SC	69.1 GWh	8
#23	Beaufort County, SC	157.6 GWh	6
#3	Berkeley County, SC	11.9 TWh	8
#9	Calhoun County, SC	3.4 TWh	7
#36	Charleston County, SC	17.9 GWh	5
#13	Cherokee County, SC	1.4 TWh	7
#19	Chester County, SC	230.9 GWh	3
#24	Chesterfield County, SC	147.7 GWh	3
#37	Clarendon County, SC	15.1 GWh	4
#41	Colleton County, SC	3.4 GWh	4
#6	Darlington County, SC	6.3 TWh	28
#33	Dillon County, SC	32.4 GWh	11
#25	Dorchester County, SC	130.4 GWh	1
#5	Fairfield County, SC	7.9 TWh	5
#16	Florence County, SC	370.4 GWh	12
#8	Georgetown County, SC	4.4 TWh	7
#35	Greenville County, SC	21.7 GWh	9
#38	Greenwood County, SC	15.1 GWh	6
#28	Hampton County, SC	86.1 GWh	4
#27	Horry County, SC	121.2 GWh	9
#7	Jasper County, SC	5.0 TWh	5
#18	Kershaw County, SC	255.3 GWh	2
#21	Lancaster County, SC	170.9 GWh	3
#31	Lee County, SC	55.5 GWh	10
#14	Lexington County, SC	1.4 TWh	12
#34	Marion County, SC	22.3 GWh	11
#20	Marlboro County, SC	219.8 GWh	3
#15	McCormick County, SC	650.7 GWh	1
#40	Newberry County, SC	6.4 GWh	2
#1	Oconee County, SC	21.1 TWh	4
#11	Orangeburg County, SC	2.2 TWh	17
#10	Richland County, SC	3.0 TWh	6
#22	Saluda County, SC	161.8 GWh	4
#29	Spartanburg County, SC	82.8 GWh	19
#26	Union County, SC	121.3 GWh	6
#32	Williamsburg County, SC	38.7 GWh	3
#2	York County, SC	18.9 TWh	4

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

Totals are based on the most recent 12 months net generation

List of All South Carolina Counties