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EV vs gas cost in Delaware: $1,010 a year saved at 12,000 miles
With Delaware electricity at 17.86¢/kWh and regular gasoline at $4.31/gal, a typical EV (0.3 kWh/mile, charged 80% at home) costs about 7.0¢ per mile to run versus 15.4¢ per mile for a 28 mpg gas car. That beats gas by $1,010 a year at 12,000 miles. Delaware ranks #21 of 51 (50 states + DC) for annual savings and #33 for lowest residential electricity price.
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What the Delaware numbers say
- Electricity: Delaware residential average is 17.86¢/kWh year-to-date through July 2026, 2% below the U.S. average of 18.19¢. It is up 6.6% from the same period in 2025. Latest single month (July 2026): 18.48¢.
- Gasoline: $4.31/gal (EIA regional series: Central Atlantic (PADD1B)), up $1.25 from a year ago. The U.S. average is $4.28.
- Cost-equivalent MPG: a gas car would need about 62 mpg to cost the same per mile as this EV in Delaware.
- If prices move: at 20% cheaper gas ($3.45) the yearly EV saving would be $640; at 20% higher electricity (21.43¢) it would be $907.
What this leaves out: purchase price, tax credits, insurance, maintenance, depreciation, home charger installation, time-of-use rates and cold-weather range loss. Your utility's own rate may differ from the state average. See the methodology.
Cost to run common things in Delaware
- Space heater (1,500 W): $0.27 per hour
- Electric blanket (200 W): $0.29 per 8-hour night
- Window air conditioner (1,000 W): $0.18 per hour
- Electric clothes dryer: $0.54 per load
- Dishwasher: $0.18 per load
- Refrigerator: $80 per year
- Gaming PC (300 W under load): $0.05 per hour
- EV home charging (per 100 miles): $5.36 per 100 miles
Heating this winter? In Delaware a heat pump costs about $20.94 per million BTU of heat vs $19.06 for a gas furnace and $43.22 for propane. Heat pump vs furnace in Delaware.