Charging a 2027 Rivian R1S Performance (22in) at home in Utah
In Utah, home electricity runs 13.17¢/kWh — put a 2027 Rivian R1S Performance (22in)'s EPA-rated 44.6 kWh/100mi against that and 100 miles costs $5.87, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 63.4% cheaper per mile than gasoline in Utah — charging at home is much cheaper than gas here.
Annual cost, at 15 thousands miles a year
Utah owners putting 15,000 annual miles on a 2027 Rivian R1S Performance (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.
What one full charge costs
At Utah's rate, fully covering this 2027 Rivian R1S Performance (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.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Performance (22in) in Utah ranks 8,780 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance (22in) ranks 354 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
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.