States › South Dakota › January 2026
South Dakota electricity prices, January 2026
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In January 2026, residential customers in South Dakota paid an average of 13.60¢ per kilowatthour, up 12.6% on the same month a year earlier (12.08¢). The US average for the month was 17.45¢; South Dakota was 22% below that. It ranked 39th highest among the 50 states and the District of Columbia.
Residential sales were 566,738 MWh, down 4.8% on a year earlier, and the average residential bill for the month was $172.51 on 1,269 kWh. Weather moves monthly sales far more than prices do, so bills swing with the season.
EIA marks this month as preliminary. Preliminary months come from the Form EIA-861M sample and are revised when the annual census is complete.
Average price is revenue divided by sales for the sector and year; it is not a tariff rate. Reliability figures are as reported by utilities to EIA on Form 861 and may use different calculation methods. Monthly figures come from the Form EIA-861M sample and are revised when EIA finalises the year.
Price by sector
| Sector | Jan 2026 | Jan 2025 | Change | US, Jan 2026 |
|---|---|---|---|---|
| Residential | 13.60¢ | 12.08¢ | +12.6% | 17.45¢ |
| Commercial | 11.79¢ | 10.57¢ | +11.5% | 13.64¢ |
| Industrial | 9.60¢ | 8.49¢ | +13.1% | 9.29¢ |
| All sectors | 12.14¢ | 10.85¢ | +11.9% | 14.17¢ |
Sales and customers
| Measure | Jan 2026 | Jan 2025 | Change |
|---|---|---|---|
| Residential sales | 566.7 GWh | 595.5 GWh | -4.8% |
| Sales, all sectors | 1.3 TWh | 1.3 TWh | -1.6% |
| Residential customers | 446,685 | 440,623 | +1.4% |
| Average residential bill | $172.51 | $163.32 | +5.6% |
| Average residential use, kWh | 1,269 | 1,352 | -6.1% |
| US residential price | 17.45¢ | 15.94¢ | +9.5% |
The two years to January 2026
South Dakota residentialUS residential
Questions and answers
What was the average electricity price in South Dakota in January 2026?
13.60¢ per kilowatthour for residential customers, 11.79¢ for commercial and 9.60¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 12.08¢ in January 2025, a change of +12.6%. Residential sales changed by -4.8% over the same period.
What was the average residential bill that month?
$172.51, on average use of 1,269 kWh. This is residential revenue divided by residential customers for the month.
Provenance
Source: U.S. Energy Information Administration, Form EIA-861M sales and revenue workbook (state by sector and month), status "Preliminary" for this month, series published through July 2026. Public domain. Price = revenue ÷ sales; bill = residential revenue ÷ residential customers. Utility-level annual figures are on the South Dakota page.