Estimate savings
Solar by state

Solar in Kentucky

Across Kentucky, homeowners pay about 9.9¢/kWh and a typical 6 kW system pays back in roughly 16.4 years after the 30% federal tax credit.

State avg rate 9.9¢/kWh
Typical payback 16.4yrs
Best Solar Value Fair

Counties in Kentucky

Hickman County
11.3¢/kWh · 8,598 kWh/yr
$972/yr 13 yr payback
Carter County
12.6¢/kWh · 7,572 kWh/yr
$955/yr 13.2 yr payback
Elliott County
12.6¢/kWh · 7,590 kWh/yr
$957/yr 13.2 yr payback
Fulton County
11.3¢/kWh · 8,424 kWh/yr
$952/yr 13.2 yr payback
Greenup County
12.6¢/kWh · 7,392 kWh/yr
$932/yr 13.5 yr payback
Clark County
11.4¢/kWh · 8,172 kWh/yr
$929/yr 13.6 yr payback
Rockcastle County
11.7¢/kWh · 7,902 kWh/yr
$927/yr 13.6 yr payback
Menifee County
11.4¢/kWh · 7,962 kWh/yr
$905/yr 13.9 yr payback
Boyle County
11.3¢/kWh · 7,968 kWh/yr
$897/yr 14 yr payback
Carlisle County
10.6¢/kWh · 8,484 kWh/yr
$897/yr 14 yr payback
Clay County
11.7¢/kWh · 7,662 kWh/yr
$899/yr 14 yr payback
Garrard County
11.3¢/kWh · 7,980 kWh/yr
$899/yr 14 yr payback
Graves County
10.4¢/kWh · 8,574 kWh/yr
$895/yr 14.1 yr payback
Jackson County
11.7¢/kWh · 7,632 kWh/yr
$895/yr 14.1 yr payback
Lincoln County
11.3¢/kWh · 7,932 kWh/yr
$893/yr 14.1 yr payback
Marion County
11.3¢/kWh · 7,932 kWh/yr
$893/yr 14.1 yr payback
Marshall County
10.6¢/kWh · 8,454 kWh/yr
$894/yr 14.1 yr payback
Owsley County
11.7¢/kWh · 7,608 kWh/yr
$892/yr 14.1 yr payback
Lee County
11.7¢/kWh · 7,524 kWh/yr
$883/yr 14.3 yr payback
Mercer County
10.9¢/kWh · 8,118 kWh/yr
$882/yr 14.3 yr payback
Anderson County
10.9¢/kWh · 8,064 kWh/yr
$876/yr 14.4 yr payback
Calloway County
10.6¢/kWh · 8,274 kWh/yr
$875/yr 14.4 yr payback
Hart County
10.7¢/kWh · 8,172 kWh/yr
$877/yr 14.4 yr payback
Powell County
11.4¢/kWh · 7,710 kWh/yr
$877/yr 14.4 yr payback
Scott County
11.1¢/kWh · 7,878 kWh/yr
$874/yr 14.4 yr payback
Trimble County
10.8¢/kWh · 7,992 kWh/yr
$867/yr 14.5 yr payback
Wolfe County
11.4¢/kWh · 7,608 kWh/yr
$870/yr 14.5 yr payback
Bath County
11.1¢/kWh · 7,818 kWh/yr
$864/yr 14.6 yr payback
Gallatin County
11.1¢/kWh · 7,794 kWh/yr
$864/yr 14.6 yr payback
Kenton County
11.1¢/kWh · 7,746 kWh/yr
$859/yr 14.7 yr payback
Lyon County
10.2¢/kWh · 8,448 kWh/yr
$857/yr 14.7 yr payback
Owen County
11.1¢/kWh · 7,716 kWh/yr
$856/yr 14.7 yr payback
Pendleton County
11.1¢/kWh · 7,758 kWh/yr
$860/yr 14.7 yr payback
Boone County
11.1¢/kWh · 7,680 kWh/yr
$852/yr 14.8 yr payback
Campbell County
11.1¢/kWh · 7,656 kWh/yr
$849/yr 14.8 yr payback
Magoffin County
11.4¢/kWh · 7,464 kWh/yr
$853/yr 14.8 yr payback
Shelby County
10.8¢/kWh · 7,860 kWh/yr
$853/yr 14.8 yr payback
Trigg County
10.2¢/kWh · 8,400 kWh/yr
$853/yr 14.8 yr payback
Carroll County
11.1¢/kWh · 7,650 kWh/yr
$848/yr 14.9 yr payback
Cumberland County
10.5¢/kWh · 8,064 kWh/yr
$846/yr 14.9 yr payback
Grant County
10.9¢/kWh · 7,746 kWh/yr
$848/yr 14.9 yr payback
Hardin County
10.3¢/kWh · 8,184 kWh/yr
$843/yr 14.9 yr payback
Henry County
10.8¢/kWh · 7,806 kWh/yr
$847/yr 14.9 yr payback
Robertson County
11.1¢/kWh · 7,656 kWh/yr
$846/yr 14.9 yr payback
Wayne County
10.7¢/kWh · 7,890 kWh/yr
$847/yr 14.9 yr payback
Fleming County
11.1¢/kWh · 7,584 kWh/yr
$838/yr 15 yr payback
Larue County
10.3¢/kWh · 8,148 kWh/yr
$839/yr 15 yr payback
Nicholas County
11.1¢/kWh · 7,584 kWh/yr
$838/yr 15 yr payback
Bracken County
10.9¢/kWh · 7,698 kWh/yr
$836/yr 15.1 yr payback
Clinton County
10.7¢/kWh · 7,698 kWh/yr
$827/yr 15.2 yr payback
McCreary County
10.7¢/kWh · 7,710 kWh/yr
$828/yr 15.2 yr payback
Todd County
10.2¢/kWh · 8,172 kWh/yr
$829/yr 15.2 yr payback
Allen County
10.0¢/kWh · 8,208 kWh/yr
$818/yr 15.4 yr payback
Barren County
10.1¢/kWh · 8,094 kWh/yr
$816/yr 15.4 yr payback
Lewis County
11.1¢/kWh · 7,404 kWh/yr
$818/yr 15.4 yr payback
Metcalfe County
10.1¢/kWh · 8,112 kWh/yr
$818/yr 15.4 yr payback
Pulaski County
10.7¢/kWh · 7,572 kWh/yr
$813/yr 15.5 yr payback
Grayson County
9.9¢/kWh · 8,124 kWh/yr
$808/yr 15.6 yr payback
Butler County
9.9¢/kWh · 8,094 kWh/yr
$805/yr 15.7 yr payback
Ohio County
9.9¢/kWh · 8,088 kWh/yr
$804/yr 15.7 yr payback
Christian County
9.7¢/kWh · 8,286 kWh/yr
$800/yr 15.8 yr payback
Edmonson County
9.9¢/kWh · 7,998 kWh/yr
$795/yr 15.8 yr payback
Green County
9.9¢/kWh · 8,004 kWh/yr
$790/yr 15.9 yr payback
Monroe County
10.0¢/kWh · 7,932 kWh/yr
$790/yr 15.9 yr payback
Simpson County
9.6¢/kWh · 8,226 kWh/yr
$792/yr 15.9 yr payback
Adair County
9.9¢/kWh · 7,980 kWh/yr
$788/yr 16 yr payback
Logan County
9.6¢/kWh · 8,124 kWh/yr
$783/yr 16.1 yr payback
Washington County
9.6¢/kWh · 8,178 kWh/yr
$783/yr 16.1 yr payback
Knox County
10.1¢/kWh · 7,710 kWh/yr
$780/yr 16.2 yr payback
Spencer County
9.6¢/kWh · 8,064 kWh/yr
$772/yr 16.3 yr payback
Warren County
9.7¢/kWh · 7,902 kWh/yr
$765/yr 16.5 yr payback
Caldwell County
8.7¢/kWh · 8,472 kWh/yr
$740/yr 17 yr payback
Livingston County
8.6¢/kWh · 8,520 kWh/yr
$735/yr 17.1 yr payback
McCracken County
8.6¢/kWh · 8,436 kWh/yr
$728/yr 17.3 yr payback
Bullitt County
9.0¢/kWh · 8,052 kWh/yr
$725/yr 17.4 yr payback
Jefferson County
9.0¢/kWh · 8,064 kWh/yr
$726/yr 17.4 yr payback
Muhlenberg County
8.8¢/kWh · 8,148 kWh/yr
$719/yr 17.5 yr payback
Oldham County
9.0¢/kWh · 7,980 kWh/yr
$718/yr 17.5 yr payback
Letcher County
9.3¢/kWh · 7,560 kWh/yr
$703/yr 17.9 yr payback
Leslie County
9.2¢/kWh · 7,596 kWh/yr
$697/yr 18.1 yr payback
Floyd County
9.2¢/kWh · 7,530 kWh/yr
$691/yr 18.2 yr payback
Johnson County
9.2¢/kWh · 7,536 kWh/yr
$692/yr 18.2 yr payback
Pike County
9.3¢/kWh · 7,452 kWh/yr
$693/yr 18.2 yr payback
Boyd County
9.2¢/kWh · 7,494 kWh/yr
$688/yr 18.3 yr payback
Breathitt County
9.2¢/kWh · 7,512 kWh/yr
$690/yr 18.3 yr payback
McLean County
8.2¢/kWh · 8,346 kWh/yr
$688/yr 18.3 yr payback
Martin County
9.2¢/kWh · 7,494 kWh/yr
$688/yr 18.3 yr payback
Webster County
8.2¢/kWh · 8,346 kWh/yr
$688/yr 18.3 yr payback
Knott County
9.2¢/kWh · 7,476 kWh/yr
$686/yr 18.4 yr payback
Lawrence County
9.2¢/kWh · 7,464 kWh/yr
$685/yr 18.4 yr payback
Morgan County
9.2¢/kWh · 7,458 kWh/yr
$685/yr 18.4 yr payback
Perry County
9.2¢/kWh · 7,446 kWh/yr
$684/yr 18.4 yr payback
Union County
8.2¢/kWh · 8,316 kWh/yr
$685/yr 18.4 yr payback
Hopkins County
8.2¢/kWh · 8,214 kWh/yr
$677/yr 18.6 yr payback
Crittenden County
8.0¢/kWh · 8,412 kWh/yr
$675/yr 18.7 yr payback
Henderson County
8.0¢/kWh · 8,328 kWh/yr
$669/yr 18.8 yr payback
Whitley County
8.8¢/kWh · 7,578 kWh/yr
$669/yr 18.8 yr payback
Woodford County
8.2¢/kWh · 8,148 kWh/yr
$671/yr 18.8 yr payback
Bell County
8.8¢/kWh · 7,536 kWh/yr
$665/yr 18.9 yr payback
Bourbon County
8.2¢/kWh · 8,076 kWh/yr
$665/yr 18.9 yr payback
Harlan County
8.8¢/kWh · 7,536 kWh/yr
$665/yr 18.9 yr payback
Ballard County
7.8¢/kWh · 8,466 kWh/yr
$664/yr 19 yr payback
Daviess County
8.0¢/kWh · 8,268 kWh/yr
$664/yr 19 yr payback
Fayette County
8.2¢/kWh · 8,052 kWh/yr
$663/yr 19 yr payback
Russell County
8.2¢/kWh · 8,058 kWh/yr
$664/yr 19 yr payback
Taylor County
8.2¢/kWh · 8,046 kWh/yr
$663/yr 19 yr payback
Casey County
8.2¢/kWh · 7,974 kWh/yr
$657/yr 19.2 yr payback
Madison County
8.2¢/kWh · 7,944 kWh/yr
$655/yr 19.2 yr payback
Hancock County
8.0¢/kWh · 8,148 kWh/yr
$654/yr 19.3 yr payback
Montgomery County
8.2¢/kWh · 7,932 kWh/yr
$654/yr 19.3 yr payback
Franklin County
8.2¢/kWh · 7,824 kWh/yr
$645/yr 19.5 yr payback
Nelson County
7.8¢/kWh · 8,154 kWh/yr
$638/yr 19.7 yr payback
Harrison County
8.2¢/kWh · 7,734 kWh/yr
$637/yr 19.8 yr payback
Laurel County
8.2¢/kWh · 7,668 kWh/yr
$632/yr 19.9 yr payback
Meade County
8.0¢/kWh · 7,884 kWh/yr
$632/yr 19.9 yr payback
Breckinridge County
8.0¢/kWh · 7,824 kWh/yr
$627/yr 20.1 yr payback
Estill County
8.2¢/kWh · 7,560 kWh/yr
$623/yr 20.2 yr payback
Mason County
8.2¢/kWh · 7,566 kWh/yr
$623/yr 20.2 yr payback
Rowan County
8.2¢/kWh · 7,524 kWh/yr
$620/yr 20.3 yr payback
Jessamine County
7.6¢/kWh · 8,016 kWh/yr
$607/yr 20.8 yr payback
Figures are modeled estimates from NREL PVWatts v8 + EIA. Not affiliated with NREL, DOE or EIA · not financial advice. Last updated June 2026.