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

A 2026 Porsche Taycan 4S Perf Battery Plus draws 38.5 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $7.41 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 53.8% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.

2026 Porsche Taycan 4S Perf Battery Plus: yearly cost in Illinois

Illinois owners putting 15,000 annual miles on a 2026 Porsche Taycan 4S Perf Battery Plus spend about $1,111 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,292 saved annually, at this mileage.

What one full charge costs

At Illinois's rate, fully covering this 2026 Porsche Taycan 4S Perf Battery Plus's 295-mile EPA range costs about $21.85 (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 Illinois ranks 14,000 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 Illinois ranks 36 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Porsche Taycan 4S Perf Battery Plus at home

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.

Get quotes from local electricians for Level 2 charger installation in Illinois before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Illinois's 19.22¢/kWh rate ranks 36 of 51 states; the state rate guide lays out the full spread.