Montana home charging cost for the 2026 Porsche Taycan 4S Perf Battery Plus

In Montana, home electricity runs 13.77¢/kWh — put a 2026 Porsche Taycan 4S Perf Battery Plus's EPA-rated 38.5 kWh/100mi against that and 100 miles costs $5.31, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 66.9% less than gas per mile, here specifically.

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

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Porsche Taycan 4S Perf Battery Plus costs roughly $796 a year to charge at home in Montana, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,607 a year.

Filling up the 2026 Porsche Taycan 4S Perf Battery Plus, in dollars

Covering the 2026 Porsche Taycan 4S Perf Battery Plus's EPA-rated 295-mile range takes about 113.7 kWh, which costs about $15.66 at Montana's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 5,977 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Porsche Taycan 4S Perf Battery Plus alone ranks 228 of 400 models for efficiency; Montana alone ranks 10 of 51 states for electricity price.

Getting set up to charge a 2026 Porsche Taycan 4S Perf Battery Plus at home

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.