Iowa home charging cost for the 2026 Rivian R1S All-Terrain Dual Max (20in)

In Iowa, home electricity runs 13.77¢/kWh — put a 2026 Rivian R1S All-Terrain Dual Max (20in)'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. Charging at home is much cheaper than gas here: 62.8% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Rivian R1S All-Terrain Dual Max (20in) costs roughly $893 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 $1,510 a year.

What one full charge costs

Covering the 2026 Rivian R1S All-Terrain Dual Max (20in)'s EPA-rated 370-mile range takes about 159.9 kWh, which costs about $22.02 at Iowa's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 Rivian R1S All-Terrain Dual Max (20in) in Iowa, ranked

This combination ranks 9,203 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Rivian R1S All-Terrain Dual Max (20in) alone ranks 333 of 400 models for efficiency; Iowa alone ranks 9 of 51 states for electricity price.

Getting set up to charge a 2026 Rivian R1S All-Terrain Dual Max (20in) at home

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

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Iowa's 13.77¢/kWh rate ranks 9 of 51 states; the state rate guide lays out the full spread.