Electricity Generation Aggregated by South Carolina County

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

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