Charging a 2026 Kia Niro Electric at home in Hawaii

At Hawaii's residential electricity rate of 45.95¢/kWh, a 2026 Kia Niro Electric (rated 30 kWh per 100 miles by the EPA) costs $13.79 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 13.9% cheaper per mile than gasoline in Hawaii — charging at home costs a little less than gas here.

Annual cost, at 15 thousands miles a year

Hawaii owners putting 15,000 annual miles on a 2026 Kia Niro Electric spend about $2,068 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $335 saved annually, at this mileage.

Cost of a full charge

At Hawaii's rate, fully covering this 2026 Kia Niro Electric's 253-mile EPA range costs about $34.88 (75.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Kia Niro Electric in Hawaii ranks 19,761 for cost savings versus gas — 1 being the best deal nationally. Separately, the Kia Niro Electric ranks 58 of 400 EV models for raw efficiency, and Hawaii ranks 51 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Kia Niro Electric at home

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 Hawaii electrician quotes for Level 2 install before you commit either way.

More on how this number was built

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.