What it costs to charge a 2026 Porsche Taycan 4 Perf Battery Plus in Washington
A 2026 Porsche Taycan 4 Perf Battery Plus draws 38.7 kWh per 100 miles per the EPA; at Washington's 14.35¢/kWh residential rate that's $5.56 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 65.3% cheaper per mile than gasoline in Washington — charging at home costs a fraction of what gas would here.
What a year of driving costs
Home charging this 2026 Porsche Taycan 4 Perf Battery Plus in Washington runs about $834 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,569 saved annually, at this mileage.
Cost of a full charge
$16.34 — that's what Washington's 14.35¢/kWh rate puts on the 113.9 kWh a 2026 Porsche Taycan 4 Perf Battery Plus needs for its full 294-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Porsche Taycan 4 Perf Battery Plus in Washington ranks 7,299 for cost savings versus gas — 1 being the best deal nationally. Separately, the Porsche Taycan 4 Perf Battery Plus ranks 231 of 400 EV models for raw efficiency, and Washington ranks 15 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 Washington electrician quotes for Level 2 install before you commit either way.
More on how this number was built
See the methodology guide for exactly which EIA and EPA figures feed 2026 Porsche Taycan 4 Perf Battery Plus's cost in Washington. At 14.35¢/kWh, Washington sits in the middle of the national range — the guide to why charging cost varies by state shows where.