Electricity Rates in South Dakota

Electricity rates in South Dakota have risen 12.6% over the past year, reaching an average of 13.0¢/kWh. The state is served by 19 utilities, with rates ranging from 9.0¢ to 15.0¢/kWh. Here's what you need to know about rates in your area.

Avg. Residential Rate 13.0¢/kWh
Rate Range 9.0¢ – 15.0¢
Utilities 19
Market Type Regulated

South Dakota Electricity Rate History

Monthly residential electricity rates in South Dakota over the last 24 months, based on EIA data.

2023-12 2025-11 14.8¢ 11.3¢

Top Cities in South Dakota

City Avg. Rate Primary Utility Providers
Sioux falls 13.0¢/kWh Northern States Power Co - Minnesota 3
Agency village 11.0¢/kWh Otter Tail Power Co 1
Barnard 11.0¢/kWh Northern Electric Coop, Inc 1
Alcester 11.0¢/kWh MidAmerican Energy Co 2
Alpena 14.0¢/kWh Central Electric Coop, Inc - (SD) 2
Altamont 11.0¢/kWh Otter Tail Power Co 1
Amherst 11.0¢/kWh Northern Electric Coop, Inc 1
Andover 11.0¢/kWh Northern Electric Coop, Inc 1
Arlington 12.0¢/kWh Otter Tail Power Co 2
Artas 15.0¢/kWh Montana-Dakota Utilities Co 1
Astoria 12.0¢/kWh Otter Tail Power Co 2
Athol 11.0¢/kWh Northern Electric Coop, Inc 1
Aurora 12.0¢/kWh Otter Tail Power Co 2
Baltic 13.0¢/kWh Northern States Power Co - Minnesota 2
Albee 11.0¢/kWh Otter Tail Power Co 1
Bath 11.0¢/kWh Northern Electric Coop, Inc 1
Belle fourche 14.0¢/kWh Black Hills Power, Inc. 1
Beresford 11.0¢/kWh MidAmerican Energy Co 2
Big stone city 11.0¢/kWh Otter Tail Power Co 1
Academy 12.0¢/kWh Central Electric Coop, Inc - (SD) 2

Utilities in South Dakota

Utility Type Avg. Residential Rate ZIP Codes Served
Black Hills Electric Coop, Inc Cooperative 15.0¢/kWh 23
Black Hills Power, Inc. Investor Owned 14.0¢/kWh 33
Central Electric Coop, Inc - (SD) Cooperative 14.0¢/kWh 44
City of Brookings - (SD) Municipal 11.0¢/kWh 2
City of Madison - (SD) Municipal 11.0¢/kWh 1
City of Pierre - (SD) Municipal 11.0¢/kWh 1
City of Volga - (SD) Municipal 13.0¢/kWh 1
Dakota Energy Coop Inc Cooperative 15.0¢/kWh 34
MidAmerican Energy Co Investor Owned 10.0¢/kWh 557
Montana-Dakota Utilities Co Investor Owned 12.0¢/kWh 179
Nebraska Public Power District Political Subdivision 11.0¢/kWh 133
Northern Electric Coop, Inc Cooperative 11.0¢/kWh 35
Northern States Power Co - Minnesota Investor Owned 17.0¢/kWh 548
Otter Tail Power Co Investor Owned 11.0¢/kWh 420
Rosebud Electric Coop Inc Cooperative 11.0¢/kWh 24
Sioux Valley SW Elec Coop Cooperative 13.0¢/kWh 64
Southeastern Electric Coop Inc - (SD) Cooperative 12.0¢/kWh 46
Watertown Municipal Utilities Municipal 9.0¢/kWh 1
West River Electric Assn Inc Cooperative 14.0¢/kWh 30

How South Dakota Compares

South Dakota 13.0¢/kWh
Iowa 14.0¢/kWh
Minnesota 15.0¢/kWh
Montana 11.0¢/kWh
Nebraska 11.0¢/kWh
North Dakota 11.0¢/kWh
Wyoming 13.0¢/kWh
National Average 16.1¢/kWh

Frequently Asked Questions

What is the average electricity rate in South Dakota?

The average residential electricity rate in South Dakota is 13.0¢ per kilowatt-hour (kWh) based on 2024 EIA data. Rates range from 9.0¢ to 15.0¢/kWh depending on your utility provider and location within the state.

Who is the cheapest electricity provider in South Dakota?

Electricity rates in South Dakota vary by provider and location. The state has 19 utility companies serving different areas. To find the cheapest rate available to you, enter your ZIP code in our lookup tool above for your specific options.

Is South Dakota a deregulated electricity market?

No, South Dakota has a regulated electricity market. Your electricity provider is determined by your location, and rates are set by the state's public utility commission.

How have electricity rates changed in South Dakota?

Electricity rates in South Dakota have increased 12.6% over the past year. The current average residential rate is 13.0¢/kWh.