Tennessee home charging cost for the 2026 Rivian R1T Dual Large (20in)

In Tennessee, home electricity runs 13.9¢/kWh — put a 2026 Rivian R1T Dual Large (20in)'s EPA-rated 42.9 kWh/100mi against that and 100 miles costs $5.96, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 62.8% less than gas per mile, here specifically.

2026 Rivian R1T Dual Large (20in): yearly cost in Tennessee

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1T Dual Large (20in) costs roughly $894 a year to charge at home in Tennessee, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,509 a year.

Cost of a full charge

Covering the 2026 Rivian R1T Dual Large (20in)'s EPA-rated 300-mile range takes about 128.6 kWh, which costs about $17.88 at Tennessee's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 9,264 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Dual Large (20in) alone ranks 318 of 400 models for efficiency; Tennessee alone ranks 13 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.

Line up a few Tennessee 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 Dual Large (20in)'s cost in Tennessee. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.