Charging a 2027 Rivian R1S Premium Long Range (20in AT) at home in Iowa

In Iowa, home electricity runs 13.77¢/kWh — put a 2027 Rivian R1S Premium Long Range (20in AT)'s EPA-rated 43.2 kWh/100mi against that and 100 miles costs $5.95, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 62.8% cheaper per mile than gasoline in Iowa — charging at home is much cheaper than gas here.

What a year of driving costs

Iowa owners putting 15,000 annual miles on a 2027 Rivian R1S Premium Long Range (20in AT) spend about $893 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,510 saved annually, at this mileage.

What one full charge costs

At Iowa's rate, fully covering this 2027 Rivian R1S Premium Long Range (20in AT)'s 370-mile EPA range costs about $22.02 (159.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

2027 Rivian R1S Premium Long Range (20in AT) in Iowa, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Rivian R1S Premium Long Range (20in AT) in Iowa ranks 9,201 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Premium Long Range (20in AT) ranks 331 of 400 EV models for raw efficiency, and Iowa ranks 9 of 51 for cheapest residential electricity.

Before you install a home charger in Iowa

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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Iowa's 13.77¢/kWh compares? The guide to charging cost by state ranks every state side by side.