What it costs to charge a 2026 Rivian R1S Dual Standard (22in) in Iowa

In Iowa, home electricity runs 13.77¢/kWh — put a 2026 Rivian R1S Dual Standard (22in)'s EPA-rated 39.9 kWh/100mi against that and 100 miles costs $5.49, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 65.7% cheaper per mile than gasoline in Iowa — charging at home costs a fraction of what gas would here.

What a year of driving costs

Home charging this 2026 Rivian R1S Dual Standard (22in) in Iowa runs about $824 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,579 saved annually, at this mileage.

Cost of a full charge

$14.83 — that's what Iowa's 13.77¢/kWh rate puts on the 107.7 kWh a 2026 Rivian R1S Dual Standard (22in) needs for its full 270-mile EPA range.

2026 Rivian R1S Dual Standard (22in) in Iowa, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Dual Standard (22in) in Iowa ranks 6,918 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Dual Standard (22in) ranks 262 of 400 EV models for raw efficiency, and Iowa ranks 9 of 51 for cheapest residential electricity.

Next step: home charger installation

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.