2026 Rivian R1T All-Terrain Dual Large (20in): home charging cost in Tennessee

At Tennessee's residential electricity rate of 13.9¢/kWh, a 2026 Rivian R1T All-Terrain Dual Large (20in) (rated 44.4 kWh per 100 miles by the EPA) costs $6.17 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. Charging at home is much cheaper than gas here: 61.5% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Rivian R1T All-Terrain Dual Large (20in) charged at home in Tennessee costs about $925/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,478 a year.

Filling up the 2026 Rivian R1T All-Terrain Dual Large (20in), in dollars

A 2026 Rivian R1T All-Terrain Dual Large (20in) needs roughly 128.2 kWh to reach its EPA-rated 289-mile range, which runs about $17.82 at 13.9¢/kWh in Tennessee.

Where this ranks

This combination ranks 10,230 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T All-Terrain Dual Large (20in) alone ranks 346 of 400 models for efficiency; Tennessee alone ranks 13 of 51 states for electricity price.

Before you install a home charger in Tennessee

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

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T All-Terrain Dual Large (20in)'s cost in Tennessee. At 13.9¢/kWh, Tennessee sits in the middle of the national range — the guide to why charging cost varies by state shows where.