What it costs to charge a 2026 Porsche Taycan Turbo S in Idaho

At Idaho's residential electricity rate of 12.8¢/kWh, a 2026 Porsche Taycan Turbo S (rated 42.8 kWh per 100 miles by the EPA) costs $5.47 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 65.8% cheaper per mile than gasoline in Idaho — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

Home charging this 2026 Porsche Taycan Turbo S in Idaho runs about $821 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,582 saved annually, at this mileage.

What one full charge costs

$14.56 — that's what Idaho's 12.8¢/kWh rate puts on the 113.8 kWh a 2026 Porsche Taycan Turbo S needs for its full 266-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Taycan Turbo S in Idaho ranks 6,835 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 Idaho ranks 3 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.

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

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.