Charging a 2026 Porsche Taycan 4 Performance Battery at home in Iowa

A 2026 Porsche Taycan 4 Performance Battery draws 38.6 kWh per 100 miles per the EPA; at Iowa's 13.77¢/kWh residential rate that's $5.31 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 66.8% cheaper per mile than gasoline in Iowa — charging at home costs a fraction of what gas would here.

What a year of driving costs

Iowa owners putting 15,000 annual miles on a 2026 Porsche Taycan 4 Performance Battery spend about $797 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,606 saved annually, at this mileage.

Cost of a full charge

At Iowa's rate, fully covering this 2026 Porsche Taycan 4 Performance Battery's 251-mile EPA range costs about $13.33 (96.8 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 4 Performance Battery in Iowa ranks 6,045 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Taycan 4 Performance Battery ranks 229 of 400 EV models for raw efficiency, and Iowa ranks 9 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Porsche Taycan 4 Performance Battery 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.

Ask a licensed Iowa electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 Porsche Taycan 4 Performance Battery's cost in Iowa. At 13.77¢/kWh, Iowa sits in the middle of the national range — the guide to why charging cost varies by state shows where.