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

In Tennessee, home electricity runs 13.9¢/kWh — put a 2026 Rivian R1S All-Terrain Dual Large Plus (20in)'s EPA-rated 46.9 kWh/100mi against that and 100 miles costs $6.52, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 59.3% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S All-Terrain Dual Large Plus (20in) costs roughly $978 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 $1,425 a year.

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

Covering the 2026 Rivian R1S All-Terrain Dual Large Plus (20in)'s EPA-rated 292-mile range takes about 136.9 kWh, which costs about $19.03 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 11,533 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Dual Large Plus (20in) alone ranks 365 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 Dual Large Plus (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.

Line up a few Tennessee electrician quotes for Level 2 install before you commit either way.

Where these figures come from

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.