Electricity Generation Aggregated by South Carolina County

State Rank	County	Net Generation (Past Year)	Power Plants
#1	Oconee County, SC	21.4 TWh	4
#2	York County, SC	18.4 TWh	4
#3	Anderson County, SC	11.0 TWh	17
#4	Berkeley County, SC	10.9 TWh	9
#5	Fairfield County, SC	7.4 TWh	6
#6	Darlington County, SC	6.9 TWh	28
#7	Georgetown County, SC	5.2 TWh	7
#8	Jasper County, SC	4.4 TWh	5
#9	Richland County, SC	3.3 TWh	6
#10	Calhoun County, SC	3.2 TWh	7
#11	Aiken County, SC	2.2 TWh	6
#12	Orangeburg County, SC	2.0 TWh	17
#13	Cherokee County, SC	2.0 TWh	7
#14	Lexington County, SC	882.9 GWh	12
#15	McCormick County, SC	566.0 GWh	1
#16	Florence County, SC	492.6 GWh	12
#17	Allendale County, SC	352.4 GWh	6
#18	Saluda County, SC	248.2 GWh	4
#19	Marlboro County, SC	234.5 GWh	3
#20	Beaufort County, SC	192.4 GWh	6
#21	Dorchester County, SC	150.0 GWh	1
#22	Chesterfield County, SC	149.5 GWh	3
#23	Chester County, SC	147.0 GWh	3
#24	Kershaw County, SC	137.3 GWh	2
#25	Horry County, SC	125.2 GWh	9
#26	Lancaster County, SC	108.0 GWh	3
#27	Union County, SC	99.1 GWh	6
#28	Hampton County, SC	79.3 GWh	4
#29	Barnwell County, SC	75.8 GWh	8
#30	Spartanburg County, SC	70.7 GWh	19
#31	Lee County, SC	55.3 GWh	10
#32	Williamsburg County, SC	42.5 GWh	3
#33	Charleston County, SC	33.0 GWh	5
#34	Dillon County, SC	28.4 GWh	11
#35	Marion County, SC	22.9 GWh	11
#36	Greenville County, SC	20.4 GWh	9
#37	Clarendon County, SC	15.2 GWh	4
#38	Greenwood County, SC	14.8 GWh	6
#39	Bamberg County, SC	13.7 GWh	3
#40	Laurens County, SC	13.1 GWh	4
#41	Newberry County, SC	6.2 GWh	2
#42	Colleton County, SC	3.2 GWh	4
#43	Abbeville County, SC	117.0 MWh	1

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

Totals are based on the most recent 12 months net generation

List of All South Carolina Counties