Hawaii home charging cost for the 2026 Tesla Model 3 Premium RWD

A 2026 Tesla Model 3 Premium RWD draws 24.6 kWh per 100 miles per the EPA; at Hawaii's 45.95¢/kWh residential rate that's $11.32 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is cheaper than gas here: 29.3% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2026 Tesla Model 3 Premium RWD costs roughly $1,698 a year to charge at home in Hawaii, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $705 a year.

Filling up the 2026 Tesla Model 3 Premium RWD, in dollars

Covering the 2026 Tesla Model 3 Premium RWD's EPA-rated 363-mile range takes about 89.4 kWh, which costs about $41.1 at Hawaii's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 18,545 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Tesla Model 3 Premium RWD alone ranks 4 of 400 models for efficiency; Hawaii alone ranks 51 of 51 states for electricity price.

Getting set up to charge a 2026 Tesla Model 3 Premium RWD at home

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.

Get quotes from local electricians for Level 2 charger installation in Hawaii before deciding.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Hawaii has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.