What it costs to charge a 2027 Rivian R1S Performance (20in) in Iowa

In Iowa, home electricity runs 13.77¢/kWh — put a 2027 Rivian R1S Performance (20in)'s EPA-rated 47 kWh/100mi against that and 100 miles costs $6.47, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 59.6% cheaper per mile than gasoline in Iowa — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2027 Rivian R1S Performance (20in) in Iowa runs about $971 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,432 saved annually, at this mileage.

Cost of a full charge

$22.52 — that's what Iowa's 13.77¢/kWh rate puts on the 163.5 kWh a 2027 Rivian R1S Performance (20in) needs for its full 348-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Performance (20in) in Iowa ranks 11,338 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance (20in) ranks 369 of 400 EV models for raw efficiency, and Iowa ranks 9 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 Rivian R1S Performance (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.

Get quotes from local electricians for Level 2 charger installation in Iowa before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Iowa's 13.77¢/kWh compares? The guide to charging cost by state ranks every state side by side.