Average Electric Bill in South Dakota
Homes in South Dakota pay an average $131.10 a month for electricity, about $1,573 a year. That ranks 35th of 51 and is $19.58 less than the US average of $150.68.
Why South Dakota's bill is lower
The lower bill is mostly about price. At US-average usage, South Dakota's price would make the bill $116.42; at the US price, South Dakota's usage would make it $169.54.
- Homes use 984 kWh a month, 110 kWh more than the US average.
- Power costs 13.32¢ per kWh, 3.91¢ less than the US average.
- 446,014 residential electricity customers.
- 2026 so far: prices through August average 14.58¢ per kWh, 10.5% higher than the same months of 2025. At that price, the 2025 average usage would cost about $144.81 a month (our estimate).
About these numbers
Average bill = residential electricity revenue ÷ residential customers ÷ 12, from the US Energy Information Administration (2025, forms EIA-861, 861S and 861U). The 2026 price is from EIA's Electric Power Monthly, Table 5.6.B. The average bill is an average across all homes in the state, so individual bills vary widely around it. Full methodology.
Cite: Home Stats Data, "Average Electric Bill in South Dakota," https://homestatsdata.com/utility-bills/average-electric-bill/south-dakota/