Power Bill Facts

South Dakota electricity prices, July 2026

The month beside the same month one year before and beside the US.

Month
July 2026, preliminary
File
Form EIA-861M
Price among 51
34th from the highest

The average residential price in South Dakota was 15.37 cents per kilowatt-hour (kWh) in July 2026. Preliminary

In July 2025, the price was 14.52 cents per kWh. The July 2026 price was 0.85 cents per kWh higher than the July 2025 price.

The US average was 18.31 cents per kWh in July 2026. In July 2026, South Dakota had the 34th highest average residential price among the 50 states and the District of Columbia.

The average bill of a residential customer for the month was $176.10, for 1,146 kWh. A bill for one month changes with the season.

EIA marks this month as preliminary. EIA adjusts the months of a year when the final Form EIA-861 data for the year are ready.

Average price of electricity to ultimate consumers represents the cost per unit of electricity sold and is calculated by dividing electric revenue from ultimate consumers by the corresponding sales of electricity.

The average price of electricity to ultimate consumers reported in this publication by sector represents a weighted average of consumer revenue and sales, and does not equal the per kWh rate charged by the electric power industry participant to the individual consumers.

EIA's words. Source: U.S. Energy Information Administration, Electric Power Monthly, Technical notes, section "Form EIA-861" (March 2024). "This publication" is the Electric Power Monthly.

In plain words: the average price is revenue divided by sales. It is not the rate on a rate schedule. The figures on this page are EIA's own state averages. Monthly data through .

Average price by sector

Cents per kWh

South Dakota: average price by sector, July 2026
SectorJul 2026 cents per kWhJul 2025 cents per kWhChange percentUS, Jul 2026 cents per kWh
Residential15.3714.52+5.9%18.31
Commercial12.1711.72+3.8%14.53
Industrial9.839.33+5.4%9.77
All sectors12.8612.29+4.6%14.99

Sales, customers and bill

Residential, unless the row says all sectors

South Dakota: sales, customers and the residential bill, July 2026
FigureJul 2026Jul 2025Change percent
Residential sales515.3 GWh480.9 GWh+7.2%
Sales, all sectors1.3 TWh1.2 TWh+8.4%
Residential customers449,777443,957+1.3%
Average residential bill (dollars in the month)$176.10$157.32+11.9%
Average residential use (kWh in the month)1,1461,083+5.8%
US residential price (cents per kWh)18.3117.45+4.9%

The 25 months to July 2026

Form EIA-861M

cents per kWh05101520Jul 2024Nov 2024Mar 2025Jul 2025Nov 2025Mar 2026Jul 2026cents per kWh05101520Jul 2024Feb 2025Sep 2025Jul 2026

South Dakota, residentialUS, residential

Cents per kWh, Form EIA-861M.

Where the figures come from

Source: U.S. Energy Information Administration, Form EIA-861M sales and revenue workbook (state by sector and month). EIA status of this month: preliminary. The series runs through July 2026. The average price is revenue divided by sales. The average bill is residential revenue divided by residential customers. The annual figures of each utility are on the South Dakota page.

Questions about July 2026 in South Dakota

What did businesses pay for electricity in South Dakota in July 2026?
The average commercial price was 12.17 cents per kWh. The average industrial price was 9.83 cents per kWh. The average for all sectors was 12.86 cents per kWh.
How much electricity did residential customers in South Dakota buy in July 2026?
Residential customers bought 515.3 GWh of electricity in July 2026. One GWh is 1,000,000 kWh. The quantity was 7.2% higher than the quantity in July 2025.
How many residential customers did South Dakota have in July 2026?
South Dakota had 449,777 residential customers in July 2026. The number was 1.3% higher than the number in July 2025. A customer is one account or one meter, not one person.