2027 Rivian R1S Premium (20in AT): home charging cost in Utah
A 2027 Rivian R1S Premium (20in AT) draws 44.4 kWh per 100 miles per the EPA; at Utah's 13.17¢/kWh residential rate that's $5.84 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: 63.5% less than gas per mile, here specifically.
2027 Rivian R1S Premium (20in AT): yearly cost in Utah
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1S Premium (20in AT) charged at home in Utah costs about $876/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,527 a year.
Filling up the 2027 Rivian R1S Premium (20in AT), in dollars
A 2027 Rivian R1S Premium (20in AT) needs roughly 128.2 kWh to reach its EPA-rated 289-mile range, which runs about $16.88 at 13.17¢/kWh in Utah.
Where this ranks
This combination ranks 8,716 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium (20in AT) alone ranks 342 of 400 models for efficiency; Utah alone ranks 4 of 51 states for electricity price.
Next step: home charger installation
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 Utah 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 Premium (20in AT)'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.