Utah home charging cost for the 2027 Rivian R1S Premium (20in)

In Utah, home electricity runs 13.17¢/kWh — put a 2027 Rivian R1S Premium (20in)'s EPA-rated 42.9 kWh/100mi against that and 100 miles costs $5.65, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 64.8% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1S Premium (20in) costs roughly $847 a year to charge at home in Utah, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,556 a year.

What one full charge costs

Covering the 2027 Rivian R1S Premium (20in)'s EPA-rated 300-mile range takes about 128.6 kWh, which costs about $16.94 at Utah's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 7,681 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium (20in) alone ranks 314 of 400 models for efficiency; Utah alone ranks 4 of 51 states for electricity price.

Getting set up to charge a 2027 Rivian R1S Premium (20in) 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.