2026 Tesla Model 3 Performance: home charging cost in New Hampshire

In New Hampshire, home electricity runs 26.83¢/kWh — put a 2026 Tesla Model 3 Performance's EPA-rated 29.6 kWh/100mi against that and 100 miles costs $7.94, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 50.5% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Tesla Model 3 Performance charged at home in New Hampshire costs about $1,191/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,212 a year.

What one full charge costs

A 2026 Tesla Model 3 Performance needs roughly 91.4 kWh to reach its EPA-rated 309-mile range, which runs about $24.53 at 26.83¢/kWh in New Hampshire.

How this compares nationally

This combination ranks 14,937 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model 3 Performance alone ranks 52 of 400 models for efficiency; New Hampshire alone ranks 43 of 51 states for electricity price.

Before you install a home charger in New Hampshire

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 New Hampshire 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. New Hampshire's 26.83¢/kWh rate ranks 43 of 51 states; the state rate guide lays out the full spread.