Tennessee home charging cost for the 2026 Rivian R1T Performance Dual Large Plus (20in)
A 2026 Rivian R1T Performance Dual Large Plus (20in) draws 43.1 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.99 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 62.6% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1T Performance Dual Large Plus (20in) costs roughly $899 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 $1,504 a year.
What one full charge costs
Covering the 2026 Rivian R1T Performance Dual Large Plus (20in)'s EPA-rated 317-mile range takes about 136.7 kWh, which costs about $19 at Tennessee's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
Where this ranks
This combination ranks 9,427 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Performance Dual Large Plus (20in) alone ranks 330 of 400 models for efficiency; Tennessee alone ranks 13 of 51 states for electricity price.
Getting set up to charge a 2026 Rivian R1T Performance Dual Large Plus (20in) 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 Tennessee before deciding.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.