Charging a 2026 Rivian R1T Quad Max (22in UHP) at home in Mississippi

In Mississippi, home electricity runs 15.35¢/kWh — put a 2026 Rivian R1T Quad Max (22in UHP)'s EPA-rated 47.3 kWh/100mi against that and 100 miles costs $7.27, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 54.6% cheaper per mile than gasoline in Mississippi — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Mississippi owners putting 15,000 annual miles on a 2026 Rivian R1T Quad Max (22in UHP) spend about $1,090 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,313 saved annually, at this mileage.

Cost of a full charge

At Mississippi's rate, fully covering this 2026 Rivian R1T Quad Max (22in UHP)'s 338-mile EPA range costs about $24.56 (160 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Quad Max (22in UHP) in Mississippi ranks 13,747 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Quad Max (22in UHP) ranks 374 of 400 EV models for raw efficiency, and Mississippi ranks 22 of 51 for cheapest residential electricity.

Before you install a home charger in Mississippi

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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Mississippi's 15.35¢/kWh rate ranks 22 of 51 states; the state rate guide lays out the full spread.