2027 Rivian R1T Premium Long Range (20in): home charging cost in Iowa

A 2027 Rivian R1T Premium Long Range (20in) draws 42 kWh per 100 miles per the EPA; at Iowa's 13.77¢/kWh residential rate that's $5.78 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 63.9% less than gas per mile, here specifically.

2027 Rivian R1T Premium Long Range (20in): yearly cost in Iowa

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Rivian R1T Premium Long Range (20in) charged at home in Iowa costs about $867/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,536 a year.

Cost of a full charge

A 2027 Rivian R1T Premium Long Range (20in) needs roughly 159.5 kWh to reach its EPA-rated 380-mile range, which runs about $21.96 at 13.77¢/kWh in Iowa.

Where this ranks

This combination ranks 8,373 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1T Premium Long Range (20in) alone ranks 297 of 400 models for efficiency; Iowa alone ranks 9 of 51 states for electricity price.

Next step: home charger installation

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.

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

Where these figures come from

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.