What it costs to charge a 2026 Tesla Model S in Iowa

At Iowa's residential electricity rate of 13.77¢/kWh, a 2026 Tesla Model S (rated 27.1 kWh per 100 miles by the EPA) costs $3.74 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. That works out to 76.7% 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 Tesla Model S in Iowa runs about $560 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,843 saved annually, at this mileage.

What one full charge costs

$15.32 — that's what Iowa's 13.77¢/kWh rate puts on the 111.2 kWh a 2026 Tesla Model S needs for its full 410-mile EPA range.

2026 Tesla Model S in Iowa, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model S in Iowa ranks 430 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model S ranks 20 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.

Ask a licensed Iowa electrician to quote the install before this math becomes a real decision.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 13.77¢/kWh, Iowa sits in the middle of the national range — the guide to why charging cost varies by state shows where.