States › South Dakota › October 2025
South Dakota electricity prices, October 2025
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In October 2025, residential customers in South Dakota paid an average of 14.09¢ per kilowatthour, up 3.1% on the same month a year earlier (13.66¢). The US average for the month was 17.97¢; South Dakota was 22% below that. It ranked 39th highest among the 50 states and the District of Columbia.
Residential sales were 363,135 MWh, up 4.2% on a year earlier, and the average residential bill for the month was $114.68 on 814 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 | Oct 2025 | Oct 2024 | Change | US, Oct 2025 |
|---|---|---|---|---|
| Residential | 14.09¢ | 13.66¢ | +3.1% | 17.97¢ |
| Commercial | 10.80¢ | 10.69¢ | +1.0% | 13.49¢ |
| Industrial | 8.55¢ | 8.27¢ | +3.4% | 8.65¢ |
| All sectors | 11.38¢ | 11.05¢ | +3.0% | 13.66¢ |
Sales and customers
| Measure | Oct 2025 | Oct 2024 | Change |
|---|---|---|---|
| Residential sales | 363.1 GWh | 348.4 GWh | +4.2% |
| Sales, all sectors | 1.1 TWh | 1 TWh | +1.7% |
| Residential customers | 446,093 | 435,459 | +2.4% |
| Average residential bill | $114.68 | $109.32 | +4.9% |
| Average residential use, kWh | 814 | 800 | +1.8% |
| US residential price | 17.97¢ | 17.09¢ | +5.1% |
The two years to October 2025
South Dakota residentialUS residential
Questions and answers
What was the average electricity price in South Dakota in October 2025?
14.09¢ per kilowatthour for residential customers, 10.80¢ for commercial and 8.55¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 13.66¢ in October 2024, a change of +3.1%. Residential sales changed by +4.2% over the same period.
What was the average residential bill that month?
$114.68, on average use of 814 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.