Charging a 2026 Porsche Taycan 4S Perf Battery Plus 19in All-Season (M+S) at home in Wisconsin

A 2026 Porsche Taycan 4S Perf Battery Plus 19in All-Season (M+S) draws 36.2 kWh per 100 miles per the EPA; at Wisconsin's 18.99¢/kWh residential rate that's $6.88 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% 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 4S Perf Battery Plus 19in All-Season (M+S) spend about $1,032 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,371 saved annually, at this mileage.

What one full charge costs

At Wisconsin's rate, fully covering this 2026 Porsche Taycan 4S Perf Battery Plus 19in All-Season (M+S)'s 315-mile EPA range costs about $21.68 (114.2 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 19in All-Season (M+S) in Wisconsin ranks 12,785 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Taycan 4S Perf Battery Plus 19in All-Season (M+S) ranks 173 of 400 EV models for raw efficiency, and Wisconsin ranks 35 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 Wisconsin 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 18.99¢/kWh, Wisconsin sits in the middle of the national range — the guide to why charging cost varies by state shows where.