Charging a 2026 Rivian R1S Performance Dual Large Plus (20in) at home in Utah

At Utah's residential electricity rate of 13.17¢/kWh, a 2026 Rivian R1S Performance Dual Large Plus (20in) (rated 43.1 kWh per 100 miles by the EPA) costs $5.68 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 64.5% cheaper per mile than gasoline in Utah — charging at home is much cheaper than gas here.

2026 Rivian R1S Performance Dual Large Plus (20in): yearly cost in Utah

Utah owners putting 15,000 annual miles on a 2026 Rivian R1S Performance Dual Large Plus (20in) spend about $852 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,551 saved annually, at this mileage.

Filling up the 2026 Rivian R1S Performance Dual Large Plus (20in), in dollars

At Utah's rate, fully covering this 2026 Rivian R1S Performance Dual Large Plus (20in)'s 317-mile EPA range costs about $18 (136.7 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Large Plus (20in) in Utah ranks 7,957 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Large Plus (20in) ranks 328 of 400 EV models for raw efficiency, and Utah ranks 4 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S Performance Dual Large Plus (20in) at home

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.

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

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.