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EV vs gas cost in Mississippi: $860 a year saved at 12,000 miles

With Mississippi electricity at 15.19¢/kWh and regular gasoline at $3.78/gal, a typical EV (0.3 kWh/mile, charged 80% at home) costs about 6.3¢ per mile to run versus 13.5¢ per mile for a 28 mpg gas car. That beats gas by $860 a year at 12,000 miles. Mississippi ranks #37 of 51 (50 states + DC) for annual savings and #19 for lowest residential electricity price.

What the Mississippi numbers say

• Electricity: Mississippi residential average is 15.19¢/kWh year-to-date through July 2026, 16% below the U.S. average of 18.19¢. It is up 9.1% from the same period in 2025. Latest single month (July 2026): 14.54¢.
• Gasoline: $3.78/gal (EIA regional series: Gulf Coast (PADD3)), up $1.23 from a year ago. The U.S. average is $4.28.
• Cost-equivalent MPG: a gas car would need about 60 mpg to cost the same per mile as this EV in Mississippi.
• If prices move: at 20% cheaper gas ($3.03) the yearly EV saving would be $536; at 20% higher electricity (18.23¢) it would be $773.

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 Mississippi

• Space heater (1,500 W): $0.23 per hour
• Electric blanket (200 W): $0.24 per 8-hour night
• Window air conditioner (1,000 W): $0.15 per hour
• Electric clothes dryer: $0.46 per load
• Dishwasher: $0.15 per load
• Refrigerator: $68 per year
• Gaming PC (300 W under load): $0.05 per hour
• EV home charging (per 100 miles): $4.56 per 100 miles

Heating this winter? In Mississippi a heat pump costs about $17.81 per million BTU of heat vs $17.34 for a gas furnace and $36.11 for propane. Heat pump vs furnace in Mississippi.

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