2026 Porsche Taycan 4 Perf Battery Plus: home charging cost in District of Columbia

A 2026 Porsche Taycan 4 Perf Battery Plus draws 38.7 kWh per 100 miles per the EPA; at District of Columbia's 24.54¢/kWh residential rate that's $9.5 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 40.7% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Porsche Taycan 4 Perf Battery Plus charged at home in District of Columbia costs about $1,426/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $977 a year.

What one full charge costs

A 2026 Porsche Taycan 4 Perf Battery Plus needs roughly 113.9 kWh to reach its EPA-rated 294-mile range, which runs about $27.94 at 24.54¢/kWh in District of Columbia.

2026 Porsche Taycan 4 Perf Battery Plus in District of Columbia, ranked

This combination ranks 16,957 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Porsche Taycan 4 Perf Battery Plus alone ranks 231 of 400 models for efficiency; District of Columbia alone ranks 42 of 51 states for electricity price.

Next step: home charger installation

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.

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

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 24.54¢/kWh, District of Columbia sits in the middle of the national range — the guide to why charging cost varies by state shows where.