Charging a 2027 Rivian R1T Premium Long Range (22in) at home in Mississippi

A 2027 Rivian R1T Premium Long Range (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.

What a year of driving costs

Mississippi owners putting 15,000 annual miles on a 2027 Rivian R1T Premium Long Range (22in) spend about $894 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,509 saved annually, at this mileage.

Filling up the 2027 Rivian R1T Premium Long Range (22in), in dollars

At Mississippi's rate, fully covering this 2027 Rivian R1T Premium Long Range (22in)'s 420-mile EPA range costs about $25.04 (163.1 kWh) — the energy the EPA test actually used, not the battery's rated size.

2027 Rivian R1T Premium Long Range (22in) in Mississippi, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Premium Long Range (22in) in Mississippi ranks 9,221 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Premium Long Range (22in) ranks 233 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

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1T Premium Long Range (22in)'s cost in Mississippi. Curious how Mississippi's 15.35¢/kWh compares? The guide to charging cost by state ranks every state side by side.