Electricity Generation Aggregated by Tennessee County

State Rank	County	Net Generation (Past Year)	Power Plants
#22	Lake County, TN	230.0 GWh	1
#23	Weakley County, TN	185.8 GWh	1
#3	Stewart County, TN	9.5 TWh	1
#18	Smith County, TN	344.8 GWh	1
#16	Sevier County, TN	446.4 GWh	1
#8	Roane County, TN	3.3 TWh	1
#25	Obion County, TN	170.6 GWh	1
#15	Marion County, TN	491.2 GWh	1
#20	Lincoln County, TN	318.8 GWh	1
#37	Knox County, TN	33.9 GWh	1
#11	Humphreys County, TN	1.6 TWh	1
#6	Hawkins County, TN	4.4 TWh	1
#44	Hancock County, TN	43.0 MWh	1
#32	Bedford County, TN	68.8 GWh	1
#24	Dickson County, TN	173.0 GWh	1
#21	DeKalb County, TN	291.6 GWh	1
#29	Clay County, TN	105.9 GWh	1
#9	Hardin County, TN	1.7 TWh	2
#30	Warren County, TN	105.7 GWh	2
#5	Sumner County, TN	5.5 TWh	2
#42	Henry County, TN	13.7 GWh	2
#35	Franklin County, TN	37.3 GWh	2
#19	Jefferson County, TN	343.7 GWh	2
#34	Benton County, TN	38.1 GWh	2
#26	Carter County, TN	169.3 GWh	2
#43	Sequatchie County, TN	1.7 GWh	2
#40	Montgomery County, TN	21.8 GWh	3
#36	Rutherford County, TN	34.1 GWh	3
#1	Rhea County, TN	19.3 TWh	3
#41	Greene County, TN	19.3 GWh	3
#38	Hardeman County, TN	30.7 GWh	3
#13	Polk County, TN	709.7 GWh	4
#27	Madison County, TN	168.1 GWh	4
#12	Loudon County, TN	1.3 TWh	4
#33	Fayette County, TN	63.8 GWh	4
#39	Washington County, TN	26.9 GWh	4
#2	Hamilton County, TN	15.6 TWh	5
#31	McNairy County, TN	92.9 GWh	5
#17	Anderson County, TN	433.8 GWh	5
#14	Blount County, TN	708.4 GWh	5
#10	Sullivan County, TN	1.6 TWh	5
#7	Haywood County, TN	3.4 TWh	6
#28	Davidson County, TN	162.4 GWh	7
#4	Shelby County, TN	5.9 TWh	12

Net Generation data is based on the last 12 months since Mar 2026

Totals are based on the most recent 12 months net generation

List of All Tennessee Counties