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EV vs gas cost in District of Columbia: $814 a year saved at 12,000 miles
With District of Columbia electricity at 24.66¢/kWh and regular gasoline at $4.31/gal, a typical EV (0.3 kWh/mile, charged 80% at home) costs about 8.6¢ per mile to run versus 15.4¢ per mile for a 28 mpg gas car. That beats gas by $814 a year at 12,000 miles. District of Columbia ranks #42 of 51 (50 states + DC) for annual savings and #42 for lowest residential electricity price.
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What the District of Columbia numbers say
- Electricity: District of Columbia residential average is 24.66¢/kWh year-to-date through July 2026, 36% above the U.S. average of 18.19¢. It is up 17.8% from the same period in 2025. Latest single month (July 2026): 25.21¢.
- 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 50 mpg to cost the same per mile as this EV in District of Columbia.
- If prices move: at 20% cheaper gas ($3.45) the yearly EV saving would be $444; at 20% higher electricity (29.59¢) it would be $672.
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 District of Columbia
- Space heater (1,500 W): $0.37 per hour
- Electric blanket (200 W): $0.39 per 8-hour night
- Window air conditioner (1,000 W): $0.25 per hour
- Electric clothes dryer: $0.74 per load
- Dishwasher: $0.25 per load
- Refrigerator: $111 per year
- Gaming PC (300 W under load): $0.07 per hour
- EV home charging (per 100 miles): $7.40 per 100 miles
Heating this winter? In District of Columbia a heat pump costs about $28.91 per million BTU of heat vs $17.76 for a gas furnace and $41.26 for propane. Heat pump vs furnace in District of Columbia.