How much is the average electric bill in South Dakota?

The average residential electric bill in South Dakota is about $133 per month, reflecting average monthly usage of 868 kWh at a residential rate of 15.36¢ per kWh.

Is electricity expensive in South Dakota?

At 15.36¢ per kWh, South Dakota's residential electricity rate is 16.2% lower than the U.S. average of 18.34¢ per kWh. That makes it the 19th-cheapest of 51 states and DC ranked by residential price.

Electricity Rates in South Dakota (June 2026)

The average residential rate is 15.36¢/kWh — that's about $133/month for a typical household.

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

#19

out of 51 states (1 = cheapest)

$133/mo

based on 868 kWh average monthly usage

16.2%below

the national average of 18.34¢/kWh

8.0%up

over the past 12 months

Rates by Sector

Sector	Rate (¢/kWh)	vs National	Avg Monthly Usage	Avg Monthly Bill	vs National
Residential	15.36¢/kWh	-16.2%	868 kWh	$133	-16.2%
Commercial	11.35¢/kWh	-20.0%	5,611 kWh	$637	-20.0%
Industrial	9.44¢/kWh	+2.9%	64,959 kWh	$6,135	+2.9%
National Avg — Residential	18.34¢/kWh	—	930 kWh	$171	—
National Avg — Commercial	14.19¢/kWh	—	6,854 kWh	$972	—
National Avg — Industrial	9.17¢/kWh	—	79,069 kWh	$7,248	—

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, Lincoln, McCook, Miner, Minnehaha, Moody, Sanborn, Turner+7 moreless
Black Hills Power, Inc.	IOU	Bundled	14.37¢/kWh	$110	60,951	Butte, Custer, Fall River, Lawrence, Meade, Pennington+3 moreless
NorthWestern Energy - (SD)	IOU	Bundled	12.56¢/kWh	$113	51,467	Aurora, Beadle, Bon Homme, Brown, Brule, Charles Mix, Clark, Codington, Davison, Day, Deuel, Douglas, Edmunds, Faulk, Hamlin, Hand, Hanson, Hughes, Hutchinson, Hyde, Jerauld, Kingsbury, Marshall, Sanborn, Spink, Turner, Yankton+24 moreless
Sioux Valley SW Elec Coop	Co-op	Bundled	12.94¢/kWh	$160	22,213	Brookings, Deuel, Hamlin, Kingsbury, Lake, McCook, Miner, Minnehaha, Moody, Turner+7 moreless
Southeastern Electric Coop Inc - (SD)	Co-op	Bundled	12.41¢/kWh	$140	20,160	Bon Homme, Clay, Douglas, Hanson, Hutchinson, Lake, Lincoln, McCook, Miner, Minnehaha, Turner, Union, Yankton+10 moreless
West River Electric Assn Inc	Co-op	Bundled	14.25¢/kWh	$128	18,423	Haakon, Jackson, Meade, Oglala Lakota, Pennington, Ziebach+3 moreless
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, Meade, Oglala Lakota, Pennington+3 moreless
Otter Tail Power Co	IOU	Bundled	10.93¢/kWh	$112	9,048	Brookings, Codington, Day, Deuel, Grant, Hamlin, Kingsbury, Lake, Marshall, Moody, Roberts+8 moreless

Utility data from EIA Form 861, 2024

Power Outages in South Dakota

1,540 customers currently without power in South Dakota

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Frequently Asked Questions

The average residential electricity rate in South Dakota is 15.36¢ per kWh. Commercial customers pay an average of 11.35¢ per kWh and industrial customers pay 9.44¢ per kWh.

North Dakota$114/mo14.12¢/kWh Nebraska$129/mo13.25¢/kWh Minnesota$124/mo17.52¢/kWh Wyoming$106/mo15.24¢/kWh