Tennessee home charging cost for the 2026 Rivian R1S All-Terrain Performance Dual Large (20in)

In Tennessee, home electricity runs 13.9¢/kWh — put a 2026 Rivian R1S All-Terrain Performance 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. Charging at home is much cheaper than gas here: 61.5% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S All-Terrain Performance Dual Large (20in) costs roughly $925 a year to charge at home in Tennessee, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,478 a year.

What one full charge costs

Covering the 2026 Rivian R1S All-Terrain Performance Dual Large (20in)'s EPA-rated 289-mile range takes about 128.2 kWh, which costs about $17.82 at Tennessee's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 10,228 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Performance Dual Large (20in) alone ranks 345 of 400 models for efficiency; Tennessee alone ranks 13 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S All-Terrain Performance Dual Large (20in) at home

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

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

Where these figures come from

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.