What it costs to charge a 2026 Porsche Taycan 4S Perf Battery Plus in Idaho

In Idaho, home electricity runs 12.8¢/kWh — put a 2026 Porsche Taycan 4S Perf Battery Plus's EPA-rated 38.5 kWh/100mi against that and 100 miles costs $4.93, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 69.2% cheaper per mile than gasoline in Idaho — charging at home costs a fraction of what gas would here.

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

Home charging this 2026 Porsche Taycan 4S Perf Battery Plus in Idaho runs about $740 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,663 saved annually, at this mileage.

Cost of a full charge

$14.55 — that's what Idaho's 12.8¢/kWh rate puts on the 113.7 kWh a 2026 Porsche Taycan 4S Perf Battery Plus needs for its full 295-mile EPA range.

2026 Porsche Taycan 4S Perf Battery Plus in Idaho, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Taycan 4S Perf Battery Plus in Idaho ranks 4,195 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 Idaho ranks 3 of 51 for cheapest residential electricity.

Before you install a home charger in Idaho

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 Idaho 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 4S Perf Battery Plus's cost in Idaho. Idaho is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.