Charging a 2026 Porsche Taycan Turbo S at home in Wisconsin

A 2026 Porsche Taycan Turbo S draws 42.8 kWh per 100 miles per the EPA; at Wisconsin's 18.99¢/kWh residential rate that's $8.12 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 49.3% cheaper per mile than gasoline in Wisconsin — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Wisconsin owners putting 15,000 annual miles on a 2026 Porsche Taycan Turbo S spend about $1,218 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,185 saved annually, at this mileage.

What one full charge costs

At Wisconsin's rate, fully covering this 2026 Porsche Taycan Turbo S's 266-mile EPA range costs about $21.6 (113.8 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Taycan Turbo S in Wisconsin ranks 15,254 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Taycan Turbo S ranks 311 of 400 EV models for raw efficiency, and Wisconsin ranks 35 of 51 for cheapest residential electricity.

Before you install a home charger in Wisconsin

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.

Line up a few Wisconsin electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how Wisconsin's 18.99¢/kWh compares? The guide to charging cost by state ranks every state side by side.