2026 Tesla Model S Plaid (21in wheels): home charging cost in Iowa

At Iowa's residential electricity rate of 13.77¢/kWh, a 2026 Tesla Model S Plaid (21in wheels) (rated 36.2 kWh per 100 miles by the EPA) costs $4.99 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. Charging at home costs a fraction of what gas would here: 68.9% less than gas per mile, here specifically.

2026 Tesla Model S Plaid (21in wheels): yearly cost in Iowa

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Tesla Model S Plaid (21in wheels) charged at home in Iowa costs about $748/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,655 a year.

Filling up the 2026 Tesla Model S Plaid (21in wheels), in dollars

A 2026 Tesla Model S Plaid (21in wheels) needs roughly 111.9 kWh to reach its EPA-rated 309-mile range, which runs about $15.41 at 13.77¢/kWh in Iowa.

How this compares nationally

This combination ranks 4,433 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model S Plaid (21in wheels) alone ranks 171 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

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.