What it costs to charge a 2026 Rivian R1T Dual Max (22in) in Tennessee
In Tennessee, home electricity runs 13.9¢/kWh — put a 2026 Rivian R1T Dual Max (22in)'s EPA-rated 38.8 kWh/100mi against that and 100 miles costs $5.4, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 66.3% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.
What a year of driving costs
Home charging this 2026 Rivian R1T Dual Max (22in) in Tennessee runs about $810 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,593 saved annually, at this mileage.
What one full charge costs
$22.68 — that's what Tennessee's 13.9¢/kWh rate puts on the 163.1 kWh a 2026 Rivian R1T Dual Max (22in) needs for its full 420-mile EPA range.
How this compares nationally
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Max (22in) in Tennessee ranks 6,483 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Max (22in) ranks 234 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.
Before you install a home charger in Tennessee
Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.
Ask a licensed Tennessee electrician to quote the install before this math becomes a real decision.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.