What it costs to charge a 2027 Rivian R1T Performance (22in) in Mississippi

At Mississippi's residential electricity rate of 15.35¢/kWh, a 2027 Rivian R1T Performance (22in) (rated 44.6 kWh per 100 miles by the EPA) costs $6.84 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 57.3% cheaper per mile than gasoline in Mississippi — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Home charging this 2027 Rivian R1T Performance (22in) in Mississippi runs about $1,026 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,377 saved annually, at this mileage.

Cost of a full charge

$25.38 — that's what Mississippi's 15.35¢/kWh rate puts on the 165.4 kWh a 2027 Rivian R1T Performance (22in) needs for its full 371-mile EPA range.

2027 Rivian R1T Performance (22in) in Mississippi, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Performance (22in) in Mississippi ranks 12,604 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance (22in) ranks 355 of 400 EV models for raw efficiency, and Mississippi ranks 22 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Ask a licensed Mississippi electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 15.35¢/kWh, Mississippi sits in the middle of the national range — the guide to why charging cost varies by state shows where.