Charging a 2026 Rivian R1S Tri Max (22in) at home in Utah

At Utah's residential electricity rate of 13.17¢/kWh, a 2026 Rivian R1S Tri Max (22in) (rated 44.6 kWh per 100 miles by the EPA) costs $5.87 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. That works out to 63.4% cheaper per mile than gasoline in Utah — charging at home is much cheaper than gas here.

2026 Rivian R1S Tri Max (22in): yearly cost in Utah

Utah owners putting 15,000 annual miles on a 2026 Rivian R1S Tri Max (22in) spend about $881 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,522 saved annually, at this mileage.

Filling up the 2026 Rivian R1S Tri Max (22in), in dollars

At Utah's rate, fully covering this 2026 Rivian R1S Tri Max (22in)'s 371-mile EPA range costs about $21.78 (165.4 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Tri Max (22in) in Utah ranks 8,783 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Tri Max (22in) ranks 356 of 400 EV models for raw efficiency, and Utah ranks 4 of 51 for cheapest residential electricity.

Before you install a home charger in Utah

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 Utah electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Rivian R1S Tri Max (22in)'s cost in Utah. Utah is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.