How Much Does It Cost to Charge a Porsche Taycan at Home? $18.92

Charging a 2026 Porsche Taycan costs about $18.92 for a full charge and $6.78 per 100 miles at 17¢/kWh — about $814 a year at 12,000 miles.

Updated September 2026 · Source: EIA Electric Power Monthly Table 5.6.A (July 2026 data) · EPA fueleconomy.gov · next EIA update ~Oct 23

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Why this number

Charging a 2026 Porsche Taycan costs about $18.92 for a full charge (~111 kWh) at the US average rate of 17¢/kWh — roughly $6.78 per 100 miles, or $814 a year at 12,000 miles. The Taycan uses 39.9 kWh/100 mi on the EPA combined cycle. The Taycan’s real cost scales with your own rate, from about 12¢ to over 50¢ across the US.

The Porsche Taycan (EPA data for the 2026 model year, the newest the EPA lists; dollar figures use 2026 electricity rates) uses 39.9 kWh per 100 miles on the EPA combined cycle — the wall-outlet figure, so charging losses are already counted (look up your exact trim at fueleconomy.gov ). At the US average residential rate of 17¢/kWh that puts the Taycan at about $6.78 per 100 miles — 6.78¢ a mile. That lands mid-pack: 55th of the 67 current models tracked here. Nothing about the running cost of the Taycan will surprise you in either direction, which for a sedan at 39.9 kWh/100 mi is a reasonable outcome.

What a Taycan costs to charge at every rate

The same Taycan costs $4.93 per 100 miles at Idaho’s 12.35¢ and $21.04 at Hawaii’s 52.72¢ — a 4.3× spread that is entirely the rate:

Wall-side for the Taycan: EPA’s 39.9 kWh/100 mi is measured at the outlet, charger losses included; quick-fill your state above for your own figure.

That per-mile figure is the one to hold against gasoline: at 17¢/kWh the Taycan’s 6.78¢ a mile compares with about 13.6¢ for a 30-mpg gas car at $4.07 a gallon (EIA weekly, Aug 31, 2026). The EV vs gas cost guide works the Taycan’s math in full — both formulas, and the electricity rate at which the advantage disappears.

Range: what a “full charge” of the Taycan really means

EPA range across the lineup runs 251–315 miles, averaging 279. Multiplying that by the car’s efficiency gives roughly 111 kWh to refill a full range from empty, which is the honest way to think about a ‘full charge’ — battery capacity figures include a buffer you never actually use.

The Taycan on a public fast charger

On a public fast charger at about 48¢/kWh the Taycan costs $19.15 per 100 miles against $6.78 at home — 2.8× — or roughly $2,298 a year instead of $814 if it never sees a home outlet. Why a session costs more than the posted price for a Taycan (10–80% charging curve, idle fees, per-minute billing) is explained once on the cost-to-charge hub ; the EV time-of-use calculator nets an overnight rate against the Taycan’s $814 flat-rate figure.

The Taycan in cold weather

A hard winter lifts the Taycan from 39.9 to roughly 51.9 kWh/100 mi (the middle of the 20–40% rise real-world data shows), so $8.82 per 100 miles instead of $6.78 and an effective range nearer 215 miles than 279. The mechanics behind the Taycan’s winter penalty — cabin heat, battery chemistry, preconditioning from the wall — are on the hub ; the Taycan’s $814 annual figure above already averages the seasons.

Where the Taycan sits against other EVs

Its nearest neighbors on efficiency are the Polestar 4 (39.7 kWh/100 mi) and the Kia EV9 (40.0 kWh/100 mi). The Taycan at 39.9 kWh/100 mi sits against a set that runs from the Tesla Model Y at 26.9 kWh/100 mi, and the least efficient is the GMC Hummer EV at 67.8 — a spread that changes annual charging cost by $834 a year at 17¢/kWh and 12,000 miles.

Trims: does the Taycan version you pick change the bill?

The EPA rates 17 configurations of the 2026 Taycan, and they are not close: 36.2 kWh/100 mi for the most efficient, 43.6 for the least, a 20% spread. At 12,000 miles that is about $151 a year between the cheapest and most expensive version of the same Taycan. Bigger wheels, all-wheel drive and performance tunes are usually what separates them — worth knowing before you tick the options box.

How it compares inside the Porsche range

The Taycan at 39.9 kWh/100 mi sits among 2 Porsche EVs tracked here, running from 35.1 (Macan) to 39.9 (Taycan). Also on this site: Porsche Macan .

The tax question for the Taycan, answered plainly

Nothing about the Taycan changes that: the rules are the same for every EV, and the full 2026 position — §30D, §25E, the ended §30C charger credit, state programs — is in the energy tax credit guide and on the cost-to-charge hub .

Related

Closest comparisons to the Taycan on running cost and body style: Polestar 4 (39.7 kWh/100 mi), Kia EV9 (40.0 kWh/100 mi), Hyundai Ioniq 6 (37.9 kWh/100 mi), BMW i7 (37.6 kWh/100 mi).

Put the Taycan’s $814 a year against a gas car in the EV vs gas calculator , check your state’s rate , or price a road-trip stop for a Taycan in the Supercharger vs home calculator . All 67 EVs . The Taycan is only one line on the household bill — the 40-appliance running-cost ranking shows where $814 a year of charging lands next to everyday loads like a pool pump or a chest freezer .

Frequently asked questions

How we calculated this

Worked for the Taycan: 39.9 kWh/100 mi ÷ 100 × 17¢ = $6.78 per 100 miles; 279 mi × 39.9 ÷ 100 = 111 kWh, × $0.17 = $18.92 per full charge; $6.78 × 12,000 ÷ 100 = $814 a year. The Taycan’s gasoline comparison is 12,000 ÷ 30 mpg × $4.07 = $1,628. EPA combined ratings, measured at the wall.

Sources: U.S. Energy Information Administration (EIA) electricity rates · DSIRE incentive records · public IRS/OBBBA guidance. Figures are modeled estimates, not quotes or tax advice. See our methodology.

Where to go next

• Cost to charge a Kia EV9 — 40.0 kWh/100 mi against the Taycan’s 39.9 — $6.80 vs $6.78 per 100 miles at 17¢.
• Cost to charge a Polestar 4 — 39.7 kWh/100 mi against the Taycan’s 39.9 — $6.75 vs $6.78 per 100 miles at 17¢.
• Cost to charge a BMW iX — 39.4 kWh/100 mi against the Taycan’s 39.9 — $6.70 vs $6.78 per 100 miles at 17¢.
• Cost to charge an EV: all 67 models ranked — Where the Taycan’s $814 a year sits among 67 EVs, plus the fast-charging, cold-weather and tax explainers.
• EV vs gas cost calculator — The Taycan’s 39.9 kWh/100 mi against your gas car’s mpg and your local pump price.