What it costs to charge a 2026 Tesla Model 3 Standard RWD in Iowa

A 2026 Tesla Model 3 Standard RWD draws 24.3 kWh per 100 miles per the EPA; at Iowa's 13.77¢/kWh residential rate that's $3.35 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 79.1% 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 3 Standard RWD in Iowa runs about $502 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,901 saved annually, at this mileage.

What one full charge costs

$10.74 — that's what Iowa's 13.77¢/kWh rate puts on the 78 kWh a 2026 Tesla Model 3 Standard RWD needs for its full 321-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model 3 Standard RWD in Iowa ranks 73 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model 3 Standard RWD ranks 2 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.

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

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.