2026 Rivian R1T All-Terrain Dual Max (20in): home charging cost in Mississippi

In Mississippi, home electricity runs 15.35¢/kWh — put a 2026 Rivian R1T All-Terrain Dual Max (20in)'s EPA-rated 43.2 kWh/100mi against that and 100 miles costs $6.64, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 58.6% 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 2026 Rivian R1T All-Terrain Dual Max (20in) charged at home in Mississippi costs about $995/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,408 a year.

Cost of a full charge

A 2026 Rivian R1T All-Terrain Dual Max (20in) needs roughly 159.9 kWh to reach its EPA-rated 370-mile range, which runs about $24.55 at 15.35¢/kWh in Mississippi.

Where this ranks

This combination ranks 11,966 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T All-Terrain Dual Max (20in) alone ranks 335 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.

Line up a few Mississippi electrician quotes for Level 2 install before you commit either way.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T All-Terrain Dual Max (20in)'s cost in Mississippi. Mississippi's 15.35¢/kWh rate ranks 22 of 51 states; the state rate guide lays out the full spread.