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NorthWestern Energy (South Dakota) Electricity Rates
The figures below are South Dakota's statewide EIA average, not a tariff published for NorthWestern Energy (South Dakota). Utility rates vary by plan and customer class.
South Dakota statewide average: 15.37¢/kWh
Example bill at 900 kWh (statewide all-in average): $138.33
Dataset last updated 26 days ago
Representative tariff breakdown for South Dakota
Our hidden-fee analysis models Xcel Energy (Northern States Power) at 900 kWh per month (as of 2026-07-01; high confidence). This tariff model is separate from the statewide average above and may not match a customer's utility or plan. Review the itemized charges, assumptions, and tax coverage.