Charging a 2026 Rivian R1S All-Terrain Dual Large (20in) at home in Tennessee

In Tennessee, home electricity runs 13.9¢/kWh — put a 2026 Rivian R1S All-Terrain Dual Large (20in)'s EPA-rated 44.4 kWh/100mi against that and 100 miles costs $6.17, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 61.5% 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 R1S All-Terrain Dual Large (20in) spend about $925 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,478 saved annually, at this mileage.

Filling up the 2026 Rivian R1S All-Terrain Dual Large (20in), in dollars

At Tennessee's rate, fully covering this 2026 Rivian R1S All-Terrain Dual Large (20in)'s 289-mile EPA range costs about $17.82 (128.2 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S All-Terrain Dual Large (20in) in Tennessee ranks 10,227 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S All-Terrain Dual Large (20in) ranks 344 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 All-Terrain Dual Large (20in) 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.

Get quotes from local electricians for Level 2 charger installation in Tennessee before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.