South Dakota Electricity Rates & Bill Calculator
Use the May 2026 statewide residential average of 15.73¢ per kWh as a starting point, or enter the exact rate from your utility bill.
Estimate a South Dakota electric bill
Understanding electricity costs in South Dakota
Long heating seasons, electric heating support, water heating, lighting, and severe cold periods can raise winter electricity use.
The 15.73¢ figure is a statewide average calculated from residential revenue and sales volume. It does not represent every utility, plan, or billing month. Your own bill is the best source for the rate, fixed customer charge, and any riders.
What can move the bill?
- Usage: Weather, home size, insulation, equipment efficiency, and household schedules can change monthly kWh.
- Rate design: Tiered, seasonal, demand, and time-of-use plans may not behave like one flat rate.
- Non-energy charges: Taxes, fuel adjustments, storm recovery, minimum bills, and local fees can change the final total.
How to use this estimate
Start with 900 kWh to compare the statewide benchmark. Then replace usage with the kWh from a recent bill and replace the rate with your effective energy price. To estimate an effective price, divide the energy-related variable charges by billed kWh; keep fixed customer charges in the separate field.
U.S. Energy Information Administration, Electric Power Monthly Table 5.6.A, Form EIA-861M. May 2026 values are preliminary estimates released July 23, 2026.
Open EIA Table 5.6.A →