Iowa home charging cost for the 2026 Tesla Model 3 Premium AWD
A 2026 Tesla Model 3 Premium AWD draws 26.4 kWh per 100 miles per the EPA; at Iowa's 13.77¢/kWh residential rate that's $3.63 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 77.3% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Tesla Model 3 Premium AWD costs roughly $545 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 $1,858 a year.
What one full charge costs
Covering the 2026 Tesla Model 3 Premium AWD's EPA-rated 346-mile range takes about 91.3 kWh, which costs about $12.57 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 300 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model 3 Premium AWD alone ranks 12 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.
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. At 13.77¢/kWh, Iowa sits in the middle of the national range — the guide to why charging cost varies by state shows where.