What it costs to charge a 2027 Rivian R1T Premium Long Range (20in AT) in Mississippi

A 2027 Rivian R1T Premium Long Range (20in AT) draws 43.2 kWh per 100 miles per the EPA; at Mississippi's 15.35¢/kWh residential rate that's $6.64 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 58.6% cheaper per mile than gasoline in Mississippi — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2027 Rivian R1T Premium Long Range (20in AT) in Mississippi runs about $995 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,408 saved annually, at this mileage.

Filling up the 2027 Rivian R1T Premium Long Range (20in AT), in dollars

$24.55 — that's what Mississippi's 15.35¢/kWh rate puts on the 159.9 kWh a 2027 Rivian R1T Premium Long Range (20in AT) needs for its full 370-mile EPA range.

2027 Rivian R1T Premium Long Range (20in AT) in Mississippi, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1T Premium Long Range (20in AT) in Mississippi ranks 11,963 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Premium Long Range (20in AT) ranks 332 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.

Get quotes from local electricians for Level 2 charger installation in Mississippi before deciding.

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 (20in AT)'s cost in Mississippi. Mississippi's 15.35¢/kWh rate ranks 22 of 51 states; the state rate guide lays out the full spread.