Electricity Rates in South Dakota (August 2026)

The average residential rate is 15.15¢/kWh — that's about $160/month for a typical household.

Source: U.S. Energy Information Administration. Data as of August 2026.

#17

out of 51 states (1 = cheapest)

$160/mo

based on 1,057 kWh average monthly usage

16.6%below

the national average of 18.16¢/kWh

8.4%up

over the past 12 months

Rates by Sector

SectorRate (¢/kWh)vs NationalAvg Monthly UsageAvg Monthly Bill
Residential15.15¢/kWh-16.6%1,057 kWh$160
Commercial11.71¢/kWh-19.1%6,295 kWh$737
Industrial9.43¢/kWh-2.2%71,096 kWh$6,708
National Avg — Residential18.16¢/kWh—1,152 kWh$209
National Avg — Commercial14.47¢/kWh—7,661 kWh$1,108
National Avg — Industrial9.64¢/kWh—81,834 kWh$7,890

Electricity Providers in South Dakota

Type
Service
Service Area
Northern States Power Co - Minnesota
IOU
Bundled
13.87¢/kWh
$103
92,204
Hanson, Hutchinson, Lake+7 more
Black Hills Power, Inc.
IOU
Bundled
14.37¢/kWh
$110
60,951
Butte, Custer, Fall River+3 more
NorthWestern Energy - (SD)
IOU
Bundled
12.56¢/kWh
$113
51,467
Aurora, Beadle, Bon Homme+24 more
Sioux Valley SW Elec Coop
Co-op
Bundled
12.94¢/kWh
$160
22,213
Brookings, Deuel, Hamlin+7 more
Southeastern Electric Coop Inc - (SD)
Co-op
Bundled
12.41¢/kWh
$140
20,160
Bon Homme, Clay, Douglas+10 more
West River Electric Assn Inc
Co-op
Bundled
14.25¢/kWh
$128
18,423
Haakon, Jackson, Meade+3 more
Watertown Municipal Utilities
Municipal
Bundled
9.30¢/kWh
$80
11,633
Codington
City of Brookings - (SD)
Municipal
Bundled
11.12¢/kWh
$90
10,544
Brookings
Black Hills Electric Coop, Inc
Co-op
Bundled
14.76¢/kWh
$164
9,227
Custer, Fall River, Lawrence+3 more
Otter Tail Power Co
IOU
Bundled
10.93¢/kWh
$112
9,048
Brookings, Codington, Day+8 more

Utility data from EIA Form 861, 2024

Power Outages in South Dakota

8 customers currently without power in South Dakota

Frequently Asked Questions

The average residential electricity rate in South Dakota is 15.15¢ per kWh. Commercial customers pay an average of 11.71¢ per kWh and industrial customers pay 9.43¢ per kWh.

Source: U.S. Energy Information Administration. Data as of August 2026. Utility data from EIA Form 861, 2024.