Delaware home charging cost for the 2026 Tesla Model S

In Delaware, home electricity runs 17.74¢/kWh — put a 2026 Tesla Model S's EPA-rated 27.1 kWh/100mi against that and 100 miles costs $4.81, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 70% less than gas per mile, here specifically.

2026 Tesla Model S: yearly cost in Delaware

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Tesla Model S costs roughly $722 a year to charge at home in Delaware, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,681 a year.

Cost of a full charge

Covering the 2026 Tesla Model S's EPA-rated 410-mile range takes about 111.2 kWh, which costs about $19.73 at Delaware's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 3,617 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model S alone ranks 20 of 400 models for efficiency; Delaware alone ranks 33 of 51 states for electricity price.

Before you install a home charger in Delaware

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.

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

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Delaware's 17.74¢/kWh compares? The guide to charging cost by state ranks every state side by side.