Charging a 2026 Rivian R1S Performance Dual Max (22in) at home in Iowa

In Iowa, home electricity runs 13.77¢/kWh — put a 2026 Rivian R1S Performance Dual Max (22in)'s EPA-rated 39.9 kWh/100mi against that and 100 miles costs $5.5, 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

Iowa owners putting 15,000 annual miles on a 2026 Rivian R1S Performance Dual Max (22in) spend about $825 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,578 saved annually, at this mileage.

What one full charge costs

At Iowa's rate, fully covering this 2026 Rivian R1S Performance Dual Max (22in)'s 410-mile EPA range costs about $22.55 (163.7 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Rivian R1S Performance Dual Max (22in) in Iowa, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Rivian R1S Performance Dual Max (22in) in Iowa ranks 6,919 for cost savings versus gas — 1 being the best deal nationally. Separately, the Rivian R1S Performance Dual Max (22in) ranks 266 of 400 EV models for raw efficiency, and Iowa ranks 9 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Rivian R1S Performance Dual Max (22in) 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.

Line up a few Iowa electrician quotes for Level 2 install before you commit either way.

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.