Charging a 2026 Rivian R1S All-Terrain Tri Max (20in) at home in Tennessee

In Tennessee, home electricity runs 13.9¢/kWh — put a 2026 Rivian R1S All-Terrain Tri Max (20in)'s EPA-rated 49.8 kWh/100mi against that and 100 miles costs $6.93, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 56.8% cheaper per mile than gasoline in Tennessee — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Tennessee owners putting 15,000 annual miles on a 2026 Rivian R1S All-Terrain Tri Max (20in) spend about $1,039 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,364 saved annually, at this mileage.

Filling up the 2026 Rivian R1S All-Terrain Tri Max (20in), in dollars

At Tennessee's rate, fully covering this 2026 Rivian R1S All-Terrain Tri Max (20in)'s 329-mile EPA range costs about $22.79 (164 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1S All-Terrain Tri Max (20in) in Tennessee, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S All-Terrain Tri Max (20in) in Tennessee ranks 12,883 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S All-Terrain Tri Max (20in) ranks 388 of 400 EV models for raw efficiency, and Tennessee ranks 13 of 51 for cheapest residential electricity.

Before you install a home charger in Tennessee

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

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

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 13.9¢/kWh, Tennessee sits in the middle of the national range — the guide to why charging cost varies by state shows where.