The average residential electric rate in South Dakota is 14.52¢ per kWh as of 2026-04 (EIA). Over the past year it peaked at 14.76¢ in 2025-09 and bottomed at 12.51¢ in 2025-12.
| Month | ¢/kWh |
|---|---|
| 2025-05 | 14.33¢ |
| 2025-06 | 14.22¢ |
| 2025-07 | 14.52¢ |
| 2025-08 | 13.98¢ |
| 2025-09 | 14.76¢ |
| 2025-10 | 14.09¢ |
| 2025-11 | 13.81¢ |
| 2025-12 | 12.51¢ |
| 2026-01 | 13.6¢ |
| 2026-02 | 13.24¢ |
| 2026-03 | 14.29¢ |
| 2026-04 | 14.52¢ |
Averages hide your utility's actual tariff — the calculator takes your real rate, fees, and taxes, and can model seasonal costs per appliance.
Calculate your costs in South Dakota →