Charging a 2027 Rivian R1T Performance (20in) at home in Mississippi

In Mississippi, home electricity runs 15.35¢/kWh — put a 2027 Rivian R1T Performance (20in)'s EPA-rated 47 kWh/100mi against that and 100 miles costs $7.21, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 55% 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 2027 Rivian R1T Performance (20in) spend about $1,082 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,321 saved annually, at this mileage.

What one full charge costs

At Mississippi's rate, fully covering this 2027 Rivian R1T Performance (20in)'s 348-mile EPA range costs about $25.1 (163.5 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Performance (20in) in Mississippi ranks 13,593 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance (20in) ranks 370 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.

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

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1T Performance (20in)'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.