2027 Rivian R1S Premium Long Range (22in): home charging cost in Mississippi

In Mississippi, home electricity runs 15.35¢/kWh — put a 2027 Rivian R1S Premium Long Range (22in)'s EPA-rated 39.9 kWh/100mi against that and 100 miles costs $6.13, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 61.7% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1S Premium Long Range (22in) charged at home in Mississippi costs about $920/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,483 a year.

Cost of a full charge

A 2027 Rivian R1S Premium Long Range (22in) needs roughly 163.7 kWh to reach its EPA-rated 410-mile range, which runs about $25.14 at 15.35¢/kWh in Mississippi.

2027 Rivian R1S Premium Long Range (22in) in Mississippi, ranked

This combination ranks 10,052 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium Long Range (22in) alone ranks 264 of 400 models for efficiency; Mississippi alone ranks 22 of 51 states for electricity price.

Before you install a home charger in Mississippi

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S 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.