Charging a 2026 Porsche Taycan 4S Performance Battery at home in Hawaii

At Hawaii's residential electricity rate of 45.95¢/kWh, a 2026 Porsche Taycan 4S Performance Battery (rated 38.4 kWh per 100 miles by the EPA) costs $17.67 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: 10.3% more per mile than gasoline, because Hawaii's rate and this model's efficiency combine unfavorably.

2026 Porsche Taycan 4S Performance Battery: yearly cost in Hawaii

Hawaii owners putting 15,000 annual miles on a 2026 Porsche Taycan 4S Performance Battery spend about $2,650 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. At this mileage, that's roughly $247 a year worse than the gas comparison.

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

At Hawaii's rate, fully covering this 2026 Porsche Taycan 4S Performance Battery's 252-mile EPA range costs about $44.52 (96.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

2026 Porsche Taycan 4S Performance Battery in Hawaii, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Taycan 4S Performance Battery in Hawaii ranks 20,205 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Taycan 4S Performance Battery ranks 225 of 400 EV models for raw efficiency, and Hawaii ranks 51 of 51 for cheapest residential electricity.

Before you install a home charger in Hawaii

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 Hawaii before deciding.

More on how this number was built

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