Charging a 2026 Porsche Taycan 4S Perf Battery Plus at home in Delaware

A 2026 Porsche Taycan 4S Perf Battery Plus draws 38.5 kWh per 100 miles per the EPA; at Delaware's 17.74¢/kWh residential rate that's $6.84 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 57.3% cheaper per mile than gasoline in Delaware — charging at home is much cheaper than gas here.

What a year of driving costs

Delaware owners putting 15,000 annual miles on a 2026 Porsche Taycan 4S Perf Battery Plus spend about $1,026 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,377 saved annually, at this mileage.

Cost of a full charge

At Delaware's rate, fully covering this 2026 Porsche Taycan 4S Perf Battery Plus's 295-mile EPA range costs about $20.17 (113.7 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 Porsche Taycan 4S Perf Battery Plus in Delaware ranks 12,582 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Taycan 4S Perf Battery Plus ranks 228 of 400 EV models for raw efficiency, and Delaware ranks 33 of 51 for cheapest residential electricity.

Before you install a home charger in Delaware

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

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 17.74¢/kWh, Delaware sits in the middle of the national range — the guide to why charging cost varies by state shows where.