Charging a 2027 Rivian R1T Performance (20in AT) at home in Mississippi
In Mississippi, home electricity runs 15.35¢/kWh — put a 2027 Rivian R1T Performance (20in AT)'s EPA-rated 49.8 kWh/100mi against that and 100 miles costs $7.65, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 52.2% cheaper per mile than gasoline in Mississippi — charging at home is much cheaper than gas here.
2027 Rivian R1T Performance (20in AT): yearly cost in Mississippi
Mississippi owners putting 15,000 annual miles on a 2027 Rivian R1T Performance (20in AT) spend about $1,147 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,255 saved annually, at this mileage.
What one full charge costs
At Mississippi's rate, fully covering this 2027 Rivian R1T Performance (20in AT)'s 329-mile EPA range costs about $25.17 (164 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 2027 Rivian R1T Performance (20in AT) in Mississippi ranks 14,495 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Performance (20in AT) ranks 387 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.
Get quotes from local electricians for Level 2 charger installation in Mississippi before deciding.
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.