Tennessee home charging cost for the 2026 Rivian R1T Performance Dual Max (20in)

A 2026 Rivian R1T Performance Dual Max (20in) draws 42 kWh per 100 miles per the EPA; at Tennessee's 13.9¢/kWh residential rate that's $5.83 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 63.6% 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 R1T Performance Dual Max (20in) costs roughly $875 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 $1,528 a year.

Cost of a full charge

Covering the 2026 Rivian R1T Performance Dual Max (20in)'s EPA-rated 380-mile range takes about 159.5 kWh, which costs about $22.17 at Tennessee's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 8,644 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Performance Dual Max (20in) alone ranks 301 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.

Ask a licensed Tennessee electrician to quote the install before this math becomes a real decision.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1T Performance Dual Max (20in)'s cost in Tennessee. Tennessee's 13.9¢/kWh rate ranks 13 of 51 states; the state rate guide lays out the full spread.