Charging a 2026 Porsche Taycan Turbo S at home in Illinois
At Illinois's residential electricity rate of 19.22¢/kWh, a 2026 Porsche Taycan Turbo S (rated 42.8 kWh per 100 miles by the EPA) costs $8.22 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 48.7% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.
2026 Porsche Taycan Turbo S: yearly cost in Illinois
Illinois owners putting 15,000 annual miles on a 2026 Porsche Taycan Turbo S spend about $1,233 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,170 saved annually, at this mileage.
Filling up the 2026 Porsche Taycan Turbo S, in dollars
At Illinois's rate, fully covering this 2026 Porsche Taycan Turbo S's 266-mile EPA range costs about $21.86 (113.8 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 Turbo S in Illinois ranks 15,366 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 Illinois ranks 36 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 Porsche Taycan Turbo S 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.
Line up a few Illinois 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. Illinois's 19.22¢/kWh rate ranks 36 of 51 states; the state rate guide lays out the full spread.