Charging a 2026 Tesla Model S Plaid (21in wheels) at home in Delaware

In Delaware, home electricity runs 17.74¢/kWh — put a 2026 Tesla Model S Plaid (21in wheels)'s EPA-rated 36.2 kWh/100mi against that and 100 miles costs $6.42, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 59.9% cheaper per mile than gasoline in Delaware — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Delaware owners putting 15,000 annual miles on a 2026 Tesla Model S Plaid (21in wheels) spend about $964 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,439 saved annually, at this mileage.

What one full charge costs

At Delaware's rate, fully covering this 2026 Tesla Model S Plaid (21in wheels)'s 309-mile EPA range costs about $19.85 (111.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Tesla Model S Plaid (21in wheels) in Delaware ranks 11,166 for cost savings versus gas — 1 being the best deal nationally. Separately, the Tesla Model S Plaid (21in wheels) ranks 171 of 400 EV models for raw efficiency, and Delaware ranks 33 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 Delaware electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Tesla Model S Plaid (21in wheels)'s cost in Delaware. At 17.74¢/kWh, Delaware sits in the middle of the national range — the guide to why charging cost varies by state shows where.