Charging a 2026 Rivian R1T Dual Max (20in) at home in Tennessee

At Tennessee's residential electricity rate of 13.9¢/kWh, a 2026 Rivian R1T Dual Max (20in) (rated 42 kWh per 100 miles by the EPA) costs $5.83 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 63.6% cheaper per mile than gasoline in Tennessee — charging at home is much cheaper than gas here.

What a year of driving costs

Tennessee owners putting 15,000 annual miles on a 2026 Rivian R1T Dual Max (20in) spend about $875 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,528 saved annually, at this mileage.

Filling up the 2026 Rivian R1T Dual Max (20in), in dollars

At Tennessee's rate, fully covering this 2026 Rivian R1T Dual Max (20in)'s 380-mile EPA range costs about $22.17 (159.5 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1T Dual Max (20in) in Tennessee, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1T Dual Max (20in) in Tennessee ranks 8,643 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1T Dual Max (20in) ranks 300 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Next step: home charger installation

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

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T Dual Max (20in)'s cost in Tennessee. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.