Illinois home charging cost for the 2026 Porsche Taycan 4 Perf Battery Plus
At Illinois's residential electricity rate of 19.22¢/kWh, a 2026 Porsche Taycan 4 Perf Battery Plus (rated 38.7 kWh per 100 miles by the EPA) costs $7.44 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. Charging at home is much cheaper than gas here: 53.5% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Porsche Taycan 4 Perf Battery Plus costs roughly $1,117 a year to charge at home in Illinois, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,286 a year.
Filling up the 2026 Porsche Taycan 4 Perf Battery Plus, in dollars
Covering the 2026 Porsche Taycan 4 Perf Battery Plus's EPA-rated 294-mile range takes about 113.9 kWh, which costs about $21.88 at Illinois's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
2026 Porsche Taycan 4 Perf Battery Plus in Illinois, ranked
This combination ranks 14,098 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Porsche Taycan 4 Perf Battery Plus alone ranks 231 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.
Before you install a home charger in Illinois
The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.
Ask a licensed Illinois electrician to quote the install before this math becomes a real decision.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 Porsche Taycan 4 Perf Battery Plus's cost in Illinois. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.