What it costs to charge a 2026 Rivian R1S Dual Standard (22in) in Tennessee

A 2026 Rivian R1S Dual Standard (22in) draws 39.9 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.54 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 65.4% cheaper per mile than gasoline in Tennessee — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Rivian R1S Dual Standard (22in) in Tennessee runs about $832 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,571 saved annually, at this mileage.

Cost of a full charge

$14.97 — that's what Tennessee's 13.9¢/kWh rate puts on the 107.7 kWh a 2026 Rivian R1S Dual Standard (22in) needs for its full 270-mile EPA range.

2026 Rivian R1S Dual Standard (22in) in Tennessee, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Standard (22in) in Tennessee ranks 7,221 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Standard (22in) ranks 262 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S Dual Standard (22in) at home

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 R1S Dual Standard (22in)'s cost in Tennessee. At 13.9¢/kWh, Tennessee sits in the middle of the national range — the guide to why charging cost varies by state shows where.