2027 Rivian R1T Premium (20in): home charging cost in Mississippi

In Mississippi, home electricity runs 15.35¢/kWh — put a 2027 Rivian R1T Premium (20in)'s EPA-rated 42.9 kWh/100mi against that and 100 miles costs $6.58, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 58.9% less than gas per mile, here specifically.

2027 Rivian R1T Premium (20in): yearly cost in Mississippi

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1T Premium (20in) charged at home in Mississippi costs about $987/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,416 a year.

What one full charge costs

A 2027 Rivian R1T Premium (20in) needs roughly 128.6 kWh to reach its EPA-rated 300-mile range, which runs about $19.74 at 15.35¢/kWh in Mississippi.

Where this ranks

This combination ranks 11,754 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Premium (20in) alone ranks 315 of 400 models for efficiency; Mississippi alone ranks 22 of 51 states for electricity price.

Next step: home charger installation

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.

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

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Mississippi's 15.35¢/kWh compares? The guide to charging cost by state ranks every state side by side.