EV vs Gas Cost in South Dakota (2026)
South Dakota electricity averages 12.8¢/kWh. Gas is $3.12/gallon. Driving an EV 12,000 miles costs $439/year vs $1,248/year for a 30 MPG gas car.
Annual savings
$809
per year
5-year savings
$4,045
fuel only
EV/mile
3.7¢
vs 10.4¢ gas
State rebate
None
no program
South Dakota beats the national average
National average EV fuel savings: $728/year. South Dakota comes in $81/year higher. Electricity at 12.8¢/kWh is 3.3¢ below the national average.
South Dakota: EV vs gas full breakdown
| EV | Gas car (30 MPG) | |
|---|---|---|
| Fuel rate | 12.8¢/kWh | $3.12/gal |
| Cost per mile | 3.7¢/mile | 10.4¢/mile |
| Annual fuel (12,000 mi) | $439 | $1,248 |
| 5-year fuel | $2,195 | $6,240 |
| Annual fuel savings | $809/yr · $4,045 over 5 years | |
3.5 mi/kWh EV efficiency · 30 MPG gas car · home charging · 2026 EIA electricity rates and GasBuddy gas prices
South Dakota savings calculator — adjust for your situation
EV annual fuel
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Gas annual fuel
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Annual savings
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Electricity: 12.8¢/kWh · Gas: $3.12/gal · South Dakota 2026 rates
South Dakota EV incentives (2026)
No state rebate program
No state EV rebate program.
Electricity: 12.8¢/kWh
3.3¢ below the national average of 16.1¢/kWh. A full 75 kWh battery charge costs $9.6.
Source: EIA 2026 residential rates
Gas: $3.12/gallon
$0.08 below the national average of $3.2/gal. Filling a 15-gallon tank costs $46.8 in South Dakota.
Source: GasBuddy 2026 state averages
EV charging availability in South Dakota
Building outSouth Dakota is expanding its public charging network. Home charging handles most daily miles. Highway charging gaps exist in some rural areas.
Compare other states
More South Dakota EV data