Electricity prices in Rapid City, SD
Households in Rapid City pay 15.2¢/kWh (South Dakota average), about $149 a month for 983 kWh a month, the South Dakota household average.
Monthly electricity bill by consumption
| Consumption | Per month | Per year |
|---|---|---|
| 500 kWh a month | $76 | $909 |
| 1,000 kWh a month | $152 | $1,818 |
| 1,500 kWh a month | $227 | $2,727 |
| 2,000 kWh a month | $303 | $3,636 |
At 15.2¢/kWh, the average household price including taxes and fixed charges (August 2026). Small households usually pay a little more per kWh, large ones a little less.
Business electricity in Rapid City
Commercial customers pay 11.7¢/kWh and industrial customers 9.4¢/kWh (South Dakota average).
Home running costs in Rapid City
In Rapid City, running an 860 sq ft home costs on average $77 a month excluding rent – 9% cheaper than the US average.
Monthly cost breakdown
Default home: 860 sq ft, 2 people, 2,500 kWh electricity a year.
Rapid City compared with the average for the United States
Your biggest saving opportunity
Switching from a gas boiler to a heat pump would cut heating costs in Rapid City by about $82 a year at today's prices.
Gas boiler vs heat pump calculator · Monthly home running cost calculator
Heating need through the year
Heating with a gas boiler: about 9,066 kWh a year at 5.9¢/kWh.
Solar potential in Rapid City
1 kWp of solar panels produces about 1,701 kWh a year here. ($258 per year)
Not yet available for Rapid City: Water.
How we calculate this
Electricity: average residential price per kWh in the state (August 2026). Heating: heating degree days for the location × floor area × building factor, priced with the gas boiler cost (state residential natural gas price). Water and rent are added when official data is available. Methodology
Nearby cities
More cities in South Dakota
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