What it costs to charge a 2026 Rivian R1T Performance Dual Max (22in) in Mississippi

A 2026 Rivian R1T Performance Dual Max (22in) draws 38.8 kWh per 100 miles per the EPA; at Mississippi's 15.35¢/kWh residential rate that's $5.96 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 62.8% cheaper per mile than gasoline in Mississippi — charging at home is much cheaper than gas here.

2026 Rivian R1T Performance Dual Max (22in): yearly cost in Mississippi

Home charging this 2026 Rivian R1T Performance Dual Max (22in) in Mississippi runs about $894 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,509 saved annually, at this mileage.

Cost of a full charge

$25.04 — that's what Mississippi's 15.35¢/kWh rate puts on the 163.1 kWh a 2026 Rivian R1T Performance Dual Max (22in) needs for its full 420-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Performance Dual Max (22in) in Mississippi ranks 9,223 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance Dual Max (22in) ranks 235 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.

Line up a few Mississippi electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Mississippi's 15.35¢/kWh rate ranks 22 of 51 states; the state rate guide lays out the full spread.