Electricity Generation Aggregated by Tennessee County

State Rank	County	Net Generation (Past Year)	Power Plants
#1	Rhea County, TN	16.0 TWh	3
#2	Hamilton County, TN	12.1 TWh	5
#3	Stewart County, TN	9.5 TWh	1
#4	Shelby County, TN	6.8 TWh	12
#5	Sumner County, TN	4.9 TWh	2
#6	Hawkins County, TN	4.7 TWh	1
#7	Roane County, TN	3.4 TWh	1
#8	Haywood County, TN	3.4 TWh	6
#9	Hardin County, TN	1.7 TWh	2
#10	Sullivan County, TN	1.6 TWh	5
#11	Loudon County, TN	1.3 TWh	4
#12	Humphreys County, TN	1.2 TWh	1
#13	Polk County, TN	709.7 GWh	4
#14	Blount County, TN	708.4 GWh	5
#15	Marion County, TN	491.2 GWh	1
#16	Sevier County, TN	446.4 GWh	1
#17	Anderson County, TN	433.8 GWh	5
#18	Smith County, TN	344.8 GWh	1
#19	Jefferson County, TN	343.7 GWh	2
#20	Lincoln County, TN	318.4 GWh	1
#21	DeKalb County, TN	291.6 GWh	1
#22	Weakley County, TN	185.8 GWh	1
#23	Dickson County, TN	173.0 GWh	1
#24	Madison County, TN	172.4 GWh	4
#25	Carter County, TN	169.3 GWh	2
#26	Davidson County, TN	166.4 GWh	7
#27	Obion County, TN	164.0 GWh	1
#28	Clay County, TN	105.9 GWh	1
#29	Warren County, TN	105.7 GWh	2
#30	McNairy County, TN	93.9 GWh	5
#31	Lake County, TN	84.9 GWh	1
#32	Bedford County, TN	69.9 GWh	1
#33	Fayette County, TN	63.8 GWh	4
#34	Rutherford County, TN	38.8 GWh	3
#35	Benton County, TN	38.1 GWh	2
#36	Franklin County, TN	37.3 GWh	2
#37	Knox County, TN	34.0 GWh	1
#38	Hardeman County, TN	30.7 GWh	3
#39	Washington County, TN	27.0 GWh	4
#40	Montgomery County, TN	21.8 GWh	3
#41	Greene County, TN	19.3 GWh	3
#42	Henry County, TN	13.7 GWh	2
#43	Sequatchie County, TN	1.7 GWh	2
#44	Hancock County, TN	43.0 MWh	1

Net Generation data is based on the last 12 months since Dec 2024

Totals are based on the most recent 12 months net generation

List of All Tennessee Counties