What it costs to charge a 2026 Porsche Taycan GTS in Idaho

In Idaho, home electricity runs 12.8¢/kWh — put a 2026 Porsche Taycan GTS's EPA-rated 39 kWh/100mi against that and 100 miles costs $4.99, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 68.9% cheaper per mile than gasoline in Idaho — charging at home costs a fraction of what gas would here.

2026 Porsche Taycan GTS: yearly cost in Idaho

Home charging this 2026 Porsche Taycan GTS in Idaho runs about $748 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,655 saved annually, at this mileage.

Cost of a full charge

$14.62 — that's what Idaho's 12.8¢/kWh rate puts on the 114.2 kWh a 2026 Porsche Taycan GTS needs for its full 293-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Taycan GTS in Idaho ranks 4,435 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Taycan GTS ranks 237 of 400 EV models for raw efficiency, and Idaho ranks 3 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

Get quotes from local electricians for Level 2 charger installation in Idaho before deciding.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. 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.