Iowa home charging cost for the 2027 Rivian R1S Premium (20in)

At Iowa's residential electricity rate of 13.77¢/kWh, a 2027 Rivian R1S Premium (20in) (rated 42.9 kWh per 100 miles by the EPA) costs $5.9 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is much cheaper than gas here: 63.1% less than gas per mile, here specifically.

2027 Rivian R1S Premium (20in): yearly cost in Iowa

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Rivian R1S Premium (20in) costs roughly $886 a year to charge at home in Iowa, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,517 a year.

Filling up the 2027 Rivian R1S Premium (20in), in dollars

Covering the 2027 Rivian R1S Premium (20in)'s EPA-rated 300-mile range takes about 128.6 kWh, which costs about $17.71 at Iowa's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 8,951 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S Premium (20in) alone ranks 314 of 400 models for efficiency; Iowa alone ranks 9 of 51 states for electricity price.

Before you install a home charger in Iowa

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

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

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Rivian R1S Premium (20in)'s cost in Iowa. Curious how Iowa's 13.77¢/kWh compares? The guide to charging cost by state ranks every state side by side.