2027 Rivian R1S Quad (20in AT), UT Charging Cost
2027 Rivian R1S Quad (20in AT): home charging cost in Utah
At Utah's residential electricity rate of 13.17¢/kWh, a 2027 Rivian R1S Quad (20in AT) (rated 50.1 kWh per 100 miles by the EPA) costs $6.6 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. Charging at home is much cheaper than gas here: 58.8% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year, fueleconomy.gov's own default assumption, a 2027 Rivian R1S Quad (20in AT) charged at home in Utah costs about $990/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,413 a year.
What one full charge costs
A 2027 Rivian R1S Quad (20in AT) needs roughly 162.8 kWh to reach its EPA-rated 325-mile range, which runs about $21.45 at 13.17¢/kWh in Utah.
2027 Rivian R1S Quad (20in AT) in Utah, ranked
This combination ranks 11,842 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Quad (20in AT) alone ranks 390 of 400 models for efficiency; Utah alone ranks 4 of 51 states for electricity price.
Getting set up to charge a 2027 Rivian R1S Quad (20in AT) at home
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
Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. 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.