Charging a 2027 Rivian R1S Performance (22in) at home in Tennessee

At Tennessee's residential electricity rate of 13.9¢/kWh, a 2027 Rivian R1S Performance (22in) (rated 44.6 kWh per 100 miles by the EPA) costs $6.2 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 61.3% 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 2027 Rivian R1S Performance (22in) spend about $929 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,474 saved annually, at this mileage.

Filling up the 2027 Rivian R1S Performance (22in), in dollars

At Tennessee's rate, fully covering this 2027 Rivian R1S Performance (22in)'s 371-mile EPA range costs about $22.99 (165.4 kWh) — the energy the EPA test actually used, not the battery's rated size.

2027 Rivian R1S Performance (22in) in Tennessee, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Performance (22in) in Tennessee ranks 10,352 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance (22in) ranks 354 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.

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. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.