2026 Rivian R1T Performance Dual Large (22in): home charging cost in Mississippi

In Mississippi, home electricity runs 15.35¢/kWh — put a 2026 Rivian R1T Performance Dual Large (22in)'s EPA-rated 39.5 kWh/100mi against that and 100 miles costs $6.06, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 62.2% less than gas per mile, here specifically.

2026 Rivian R1T Performance Dual Large (22in): yearly cost in Mississippi

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T Performance Dual Large (22in) charged at home in Mississippi costs about $909/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,494 a year.

What one full charge costs

A 2026 Rivian R1T Performance Dual Large (22in) needs roughly 129.9 kWh to reach its EPA-rated 329-mile range, which runs about $19.93 at 15.35¢/kWh in Mississippi.

How this compares nationally

This combination ranks 9,684 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Performance Dual Large (22in) alone ranks 253 of 400 models for efficiency; Mississippi alone ranks 22 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1T Performance Dual Large (22in) at home

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.