2026 Porsche Taycan Turbo GT: home charging cost in Montana

In Montana, home electricity runs 13.77¢/kWh — put a 2026 Porsche Taycan Turbo GT's EPA-rated 40.9 kWh/100mi against that and 100 miles costs $5.63, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 64.9% less than gas per mile, here specifically.

2026 Porsche Taycan Turbo GT: yearly cost in Montana

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Porsche Taycan Turbo GT charged at home in Montana costs about $844/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,559 a year.

What one full charge costs

A 2026 Porsche Taycan Turbo GT needs roughly 112.8 kWh to reach its EPA-rated 276-mile range, which runs about $15.54 at 13.77¢/kWh in Montana.

Where this ranks

This combination ranks 7,542 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Porsche Taycan Turbo GT alone ranks 277 of 400 models for efficiency; Montana alone ranks 10 of 51 states for electricity price.

Before you install a home charger in Montana

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 Montana electrician to quote the install before this math becomes a real decision.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.77¢/kWh, Montana sits in the middle of the national range — the guide to why charging cost varies by state shows where.