What it costs to charge a 2027 Rivian R1S Performance (20in) in Tennessee
In Tennessee, home electricity runs 13.9¢/kWh — put a 2027 Rivian R1S Performance (20in)'s EPA-rated 47 kWh/100mi against that and 100 miles costs $6.53, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 59.2% cheaper per mile than gasoline in Tennessee — charging at home is much cheaper than gas here.
2027 Rivian R1S Performance (20in): yearly cost in Tennessee
Home charging this 2027 Rivian R1S Performance (20in) in Tennessee runs about $980 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,423 saved annually, at this mileage.
What one full charge costs
$22.73 — that's what Tennessee's 13.9¢/kWh rate puts on the 163.5 kWh a 2027 Rivian R1S Performance (20in) needs for its full 348-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Performance (20in) in Tennessee ranks 11,587 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance (20in) ranks 369 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.
Get quotes from local electricians for Level 2 charger installation in Tennessee before deciding.
More on how this number was built
See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Performance (20in)'s cost in Tennessee. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.