2027 Rivian R1S Quad (22in): home charging cost in Tennessee

In Tennessee, home electricity runs 13.9¢/kWh — put a 2027 Rivian R1S Quad (22in)'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

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1S Quad (22in) 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.

What one full charge costs

A 2027 Rivian R1S Quad (22in) needs roughly 166 kWh to reach its EPA-rated 374-mile range, which runs about $23.07 at 13.9¢/kWh in Tennessee.

How this compares nationally

This combination ranks 10,223 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Quad (22in) alone ranks 348 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.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Quad (22in)'s cost in Tennessee. Curious how Tennessee's 13.9¢/kWh compares? The guide to charging cost by state ranks every state side by side.