2026 Porsche Taycan Turbo S, HI Charging Cost

Charging a 2026 Porsche Taycan Turbo S at home in Hawaii

At Hawaii's residential electricity rate of 45.95¢/kWh, a 2026 Porsche Taycan Turbo S (rated 42.8 kWh per 100 miles by the EPA) costs $19.65 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. Here the math runs the other way: 22.7% more per mile than gasoline, because Hawaii's rate and this model's efficiency combine unfavorably.

Annual cost, at 15 thousands miles a year

Hawaii owners putting 15,000 annual miles on a 2026 Porsche Taycan Turbo S spend about $2,948 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. At this mileage, that's roughly $545 a year worse than the gas comparison.

Cost of a full charge

At Hawaii's rate, fully covering this 2026 Porsche Taycan Turbo S's 266-mile EPA range costs about $52.27 (113.8 kWh), the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Taycan Turbo S in Hawaii ranks 20,300 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 Hawaii ranks 51 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.

Line up a few Hawaii electrician quotes for Level 2 install before you commit either way.

More on how this number was built

Every figure on this page traces to a named EIA or EPA dataset, see the methodology guide. This is one of the combinations where charging costs more than gas, the guide to when that happens explains why the arithmetic can go either way.