Average Utility Costs in South Dakota
Typical monthly utility costs in South Dakota are about $252.00/mo, based on 1,000 kWh of electricity and 5,000 gallons of water (plus sewer and trash where available). Compare South Dakota cities below.
Average Monthly Utility Costs in South Dakota
The average utility bill in South Dakota is estimated at $252.00 per month. Sioux Falls: municipal electric. Brookings and Watertown: municipal utilities. Rapid City: NorthWestern Energy. Aberdeen: Xcel Energy. Water and sewer vary by city.
Assumptions: 1,000 kWh/month and 5,000 gallons/month. Seasonal rates apply to NorthWestern, BMU, and WMU. Actual bills vary by usage.
Check Internet pricing & availability in South Dakota
Internet service varies widely—many providers, different plans, introductory offers, and bundles make it hard to compare apples to apples. That's why we don't estimate internet on this page like we do for electric, water, sewer, and trash. Use our tool to compare providers for your address or ZIP code.
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Utility providers in South Dakota
In the cities we cover, electric is provided by Brookings Municipal Utilities (BMU) (Brookings Sd); NorthWestern Energy (Rapid City Sd); Sioux Falls City Light & Power (Sioux Falls Sd); Watertown Municipal Utilities (Watertown Sd); Xcel Energy (Northern States Power) – South Dakota (Aberdeen Sd) Estimates from official rate schedules. Water, sewer, and trash are set by city, county, or regional providers. Our estimates use each utility's published rate at 1,000 kWh. City pages show sources and last-verified dates.
See which electric, water, sewer, and trash providers serve different areas of South Dakota, along with typical residential rate information and sources.
View utility providers in South Dakota →For the full breakdown (electric, water, sewer, trash) by city, use the comparison table below.
Cheapest electric rates in South Dakota
Top 5 cities with the lowest estimated electric bill at 1,000 kWh.
Most expensive total utility monthly cost in South Dakota
Top 5 cities with the highest estimated total (electric + water + sewer + trash).
Compare all cities
Estimated monthly costs by city, sorted by total (highest first). Same assumed usage (1,000 kWh, 5,000 gal) for comparison. 5 cities.
| City | County | Electric | Water | Sewer | Trash | Total | View |
|---|---|---|---|---|---|---|---|
| Aberdeen | Brown County | $135.00 | $55.94 | $75.17 | $22.00 | $288.11 | View Aberdeen details → |
| Rapid City | Pennington County | $137.00 | $45.00 | $50.00 | $28.00 | $260.00 | View Rapid City details → |
| Sioux Falls | Minnehaha County | $141.61 | $32.81 | $48.33 | $25.00 | $247.75 | View Sioux Falls details → |
| Brookings | Brookings County | $113.50 | $50.15 | $53.85 | $19.10 | $236.60 | View Brookings details → |
| Watertown | Codington County | $91.10 | $36.67 | $40.61 | $20.50 | $188.88 | View Watertown details → |
South Dakota counties
View estimated utility costs by county. Each county page lists cities and a comparison table.
Compare with nearby states
Compare utility costs in South Dakota with neighboring states.
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