South Dakota Electricity Rates (2026)
13.4¢/kWhstate average
17.4% below national averageUtilities in South Dakota
Rate Outlook for South Dakota
South Dakota's average residential electricity rate is currently 13.4 cents/kWh. Under EIA's reference scenario, rates are projected to reach 15.8 cents/kWh by 2031 and 18.0 cents/kWh by 2036, a 34.5% change. Under the high oil price scenario, rates could reach 18.7 cents/kWh.
EIA projections for South Dakota vs. actual observed rates
Projected residential electricity rates for South Dakota (next 10 years)
| Year | Reference (¢/kWh) | High Price | Low Price |
|---|---|---|---|
| 2026 | 14.8 | 15.0 | 14.7 |
| 2027 | 14.3 | 14.5 | 14.3 |
| 2028 | 14.5 | 14.6 | 14.6 |
| 2029 | 14.9 | 15.0 | 14.9 |
| 2030 | 15.3 | 15.4 | 15.4 |
| 2031 | 15.8 | 16.1 | 16.0 |
| 2032 | 16.3 | 16.7 | 16.5 |
| 2033 | 16.9 | 17.4 | 17.0 |
| 2034 | 17.4 | 17.9 | 17.4 |
| 2035 | 17.7 | 18.3 | 17.7 |
| 2036 | 18.0 | 18.7 | 18.0 |
Data Sources: U.S. Energy Information Administration — Annual Energy Outlook (AEO2010, AEO2015, AEO2020, AEO2025) and Monthly Energy Review.
Methodology: State-level projections are derived by applying national rate trends from EIA's Annual Energy Outlook to South Dakota's current observed rate. EIA does not publish state-level projections.
Freshness: This data is checked weekly against EIA's open data APIs. The Monthly Energy Review updates monthly with observed rates. The Annual Energy Outlook publishes new projections annually.