Estimate savings
Solar by state

Solar in South Dakota

Across South Dakota, homeowners pay about 10.4¢/kWh and a typical 6 kW system pays back in roughly 14.5 years after the 30% federal tax credit.

State avg rate 10.4¢/kWh
Typical payback 14.5yrs
Best Solar Value Fair

Counties in South Dakota

Charles Mix County
13.4¢/kWh · 8,460 kWh/yr
$1,134/yr 11.1 yr payback
Meade County
12.3¢/kWh · 8,754 kWh/yr
$1,076/yr 11.7 yr payback
Pennington County
12.3¢/kWh · 8,712 kWh/yr
$1,071/yr 11.8 yr payback
Butte County
12.1¢/kWh · 8,688 kWh/yr
$1,051/yr 12 yr payback
McPherson County
12.4¢/kWh · 8,424 kWh/yr
$1,046/yr 12 yr payback
Ziebach County
12.1¢/kWh · 8,664 kWh/yr
$1,048/yr 12 yr payback
Dewey County
12.1¢/kWh · 8,586 kWh/yr
$1,039/yr 12.1 yr payback
Edmunds County
12.4¢/kWh · 8,358 kWh/yr
$1,038/yr 12.1 yr payback
Custer County
11.4¢/kWh · 9,048 kWh/yr
$1,035/yr 12.2 yr payback
Fall River County
11.4¢/kWh · 9,048 kWh/yr
$1,035/yr 12.2 yr payback
Faulk County
12.4¢/kWh · 8,322 kWh/yr
$1,034/yr 12.2 yr payback
Corson County
12.1¢/kWh · 8,382 kWh/yr
$1,014/yr 12.4 yr payback
Hand County
12.2¢/kWh · 8,298 kWh/yr
$1,008/yr 12.5 yr payback
Walworth County
12.0¢/kWh · 8,400 kWh/yr
$1,007/yr 12.5 yr payback
Todd County
11.4¢/kWh · 8,784 kWh/yr
$1,003/yr 12.6 yr payback
Mellette County
11.4¢/kWh · 8,712 kWh/yr
$995/yr 12.7 yr payback
Union County
11.4¢/kWh · 8,550 kWh/yr
$976/yr 12.9 yr payback
Douglas County
11.4¢/kWh · 8,550 kWh/yr
$971/yr 13 yr payback
Haakon County
11.0¢/kWh · 8,676 kWh/yr
$954/yr 13.2 yr payback
Lawrence County
10.8¢/kWh · 8,862 kWh/yr
$955/yr 13.2 yr payback
Stanley County
11.0¢/kWh · 8,670 kWh/yr
$954/yr 13.2 yr payback
Jones County
11.0¢/kWh · 8,616 kWh/yr
$948/yr 13.3 yr payback
Lyman County
11.0¢/kWh · 8,610 kWh/yr
$947/yr 13.3 yr payback
Marshall County
11.7¢/kWh · 8,112 kWh/yr
$946/yr 13.3 yr payback
Kingsbury County
11.5¢/kWh · 8,094 kWh/yr
$930/yr 13.5 yr payback
Bennett County
10.3¢/kWh · 8,946 kWh/yr
$923/yr 13.7 yr payback
Jackson County
10.3¢/kWh · 8,802 kWh/yr
$908/yr 13.9 yr payback
Oglala Lakota County
10.3¢/kWh · 8,730 kWh/yr
$901/yr 14 yr payback
Hanson County
10.4¢/kWh · 8,598 kWh/yr
$892/yr 14.1 yr payback
Clay County
10.5¢/kWh · 8,496 kWh/yr
$890/yr 14.2 yr payback
Bon Homme County
10.4¢/kWh · 8,448 kWh/yr
$879/yr 14.3 yr payback
Yankton County
10.4¢/kWh · 8,496 kWh/yr
$884/yr 14.3 yr payback
Miner County
10.4¢/kWh · 8,406 kWh/yr
$873/yr 14.4 yr payback
Grant County
10.8¢/kWh · 8,022 kWh/yr
$866/yr 14.5 yr payback
Sanborn County
10.4¢/kWh · 8,364 kWh/yr
$868/yr 14.5 yr payback
Minnehaha County
10.4¢/kWh · 8,310 kWh/yr
$863/yr 14.6 yr payback
Aurora County
10.0¢/kWh · 8,484 kWh/yr
$849/yr 14.8 yr payback
Buffalo County
10.0¢/kWh · 8,526 kWh/yr
$853/yr 14.8 yr payback
Jerauld County
10.0¢/kWh · 8,484 kWh/yr
$849/yr 14.8 yr payback
Lake County
10.2¢/kWh · 8,310 kWh/yr
$849/yr 14.8 yr payback
Brookings County
10.2¢/kWh · 8,292 kWh/yr
$847/yr 14.9 yr payback
Harding County
9.4¢/kWh · 8,688 kWh/yr
$816/yr 15.4 yr payback
Tripp County
9.4¢/kWh · 8,640 kWh/yr
$811/yr 15.5 yr payback
Turner County
9.6¢/kWh · 8,472 kWh/yr
$813/yr 15.5 yr payback
Gregory County
9.4¢/kWh · 8,628 kWh/yr
$810/yr 15.6 yr payback
Hutchinson County
9.6¢/kWh · 8,430 kWh/yr
$809/yr 15.6 yr payback
McCook County
9.6¢/kWh · 8,418 kWh/yr
$808/yr 15.6 yr payback
Perkins County
9.4¢/kWh · 8,580 kWh/yr
$806/yr 15.6 yr payback
Lincoln County
9.6¢/kWh · 8,334 kWh/yr
$800/yr 15.8 yr payback
Hamlin County
9.5¢/kWh · 8,262 kWh/yr
$786/yr 16 yr payback
Potter County
9.3¢/kWh · 8,460 kWh/yr
$788/yr 16 yr payback
Hughes County
9.1¢/kWh · 8,580 kWh/yr
$784/yr 16.1 yr payback
Sully County
9.1¢/kWh · 8,562 kWh/yr
$783/yr 16.1 yr payback
Campbell County
9.3¢/kWh · 8,352 kWh/yr
$778/yr 16.2 yr payback
Clark County
9.5¢/kWh · 8,220 kWh/yr
$778/yr 16.2 yr payback
Codington County
9.5¢/kWh · 8,088 kWh/yr
$766/yr 16.4 yr payback
Brown County
9.2¢/kWh · 8,256 kWh/yr
$759/yr 16.6 yr payback
Brule County
8.8¢/kWh · 8,538 kWh/yr
$749/yr 16.8 yr payback
Hyde County
8.8¢/kWh · 8,502 kWh/yr
$746/yr 16.9 yr payback
Davison County
8.8¢/kWh · 8,460 kWh/yr
$742/yr 17 yr payback
Beadle County
8.8¢/kWh · 8,406 kWh/yr
$737/yr 17.1 yr payback
Spink County
8.8¢/kWh · 8,280 kWh/yr
$726/yr 17.4 yr payback
Day County
8.8¢/kWh · 8,064 kWh/yr
$707/yr 17.8 yr payback
Moody County
8.2¢/kWh · 8,250 kWh/yr
$674/yr 18.7 yr payback
Deuel County
8.2¢/kWh · 8,178 kWh/yr
$668/yr 18.9 yr payback
Roberts County
8.2¢/kWh · 8,082 kWh/yr
$660/yr 19.1 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.