States › South Dakota › March 2026
South Dakota electricity prices, March 2026
Average price, sales and bills for the month against the same month a year earlier and the US. Preliminary
In March 2026, residential customers in South Dakota paid an average of 14.29¢ per kilowatthour, up 12.1% on the same month a year earlier (12.75¢). The US average for the month was 18.56¢; South Dakota was 23% below that. It ranked 39th highest among the 50 states and the District of Columbia.
Residential sales were 450,303 MWh, down 5.7% on a year earlier, and the average residential bill for the month was $143.69 on 1,006 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 | Mar 2026 | Mar 2025 | Change | US, Mar 2026 |
|---|---|---|---|---|
| Residential | 14.29¢ | 12.75¢ | +12.1% | 18.56¢ |
| Commercial | 11.70¢ | 10.74¢ | +8.9% | 13.92¢ |
| Industrial | 9.41¢ | 8.31¢ | +13.2% | 8.58¢ |
| All sectors | 12.18¢ | 11.01¢ | +10.6% | 14.08¢ |
Sales and customers
| Measure | Mar 2026 | Mar 2025 | Change |
|---|---|---|---|
| Residential sales | 450.3 GWh | 477.5 GWh | -5.7% |
| Sales, all sectors | 1.2 TWh | 1.2 TWh | -1.9% |
| Residential customers | 447,813 | 441,990 | +1.3% |
| Average residential bill | $143.69 | $137.74 | +4.3% |
| Average residential use, kWh | 1,006 | 1,080 | -6.9% |
| US residential price | 18.56¢ | 17.09¢ | +8.6% |
The two years to March 2026
South Dakota residentialUS residential
Questions and answers
What was the average electricity price in South Dakota in March 2026?
14.29¢ per kilowatthour for residential customers, 11.70¢ for commercial and 9.41¢ for industrial customers. EIA marks the month as preliminary.
How does that compare with a year earlier?
The residential average was 12.75¢ in March 2025, a change of +12.1%. Residential sales changed by -5.7% over the same period.
What was the average residential bill that month?
$143.69, on average use of 1,006 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.