Electricity rates in Honolulu, HI
Honolulu (population 341,868) is served by Hawaiian Electric (Oʻahu). A typical home on its cheapest plan open to any household, TOU-R, pays about $257 a month, 49.91¢ per kWh all-in: 13% above the Hawaii average of the last 12 months.
Utility Hawaiian ElectricPopulation Census 2025 estimateState average EIA, 12 months to August 2026
Typical all-in priceTOU-R
Hawaiian Electric plans for a Honolulu home
| Plan | Typical bill | All-in ¢/kWh | Summer weekday windows | EV, 1,000 mi |
|---|---|---|---|---|
| Schedule RChecked | $268/mo | 52.07 | Same price all day | $138/mo |
| TOU-RChecked | $257/mo | 49.91 | Mid-peak 12 am–9 am, Peak 5 pm–9 pm, Mid-peak 9 pm–12 am | $68/mo |
Typical bill: average Hawaii use of 514 kWh a month, shaped hour by hour (NREL ResStock), averaged over the year. EV: Tesla Model Y Long Range AWD, 275 kWh a month from the wall, charging from its cheapest start hour. Full Hawaiian Electric tariff details and sources.
Honolulu electricity: common questions
Who provides electricity in Honolulu, HI?
The center of Honolulu lies in Hawaiian Electric (Oʻahu)’s retail service territory, according to the federal service-territory map built from EIA-861 data. Territories are drawn approximately, so homes near the city limits can be served by another utility or cooperative; the name on your bill is the authority.
How much is electricity per kWh in Honolulu?
On Hawaiian Electric’s TOU-R plan, a typical Hawaii home using 514 kWh a month pays about 49.91¢ per kWh all-in before taxes, or $257 a month. The Hawaii average over the last 12 months was 44.27¢ (EIA).
How much does it cost to charge an EV in Honolulu?
Driving 1,000 miles a month in a Tesla Model Y Long Range AWD adds about $68 a month on Hawaiian Electric’s TOU-R plan when charging starts at its cheapest hour (9 am), against about $197 of gasoline for a 25.5 mpg car.
When is electricity cheapest in Honolulu?
Only on a time-of-use plan does the hour matter. On Hawaiian Electric’s TOU-R, summer weekday prices are highest in these windows: TOU-R: Mid-peak 12 am–9 am, Peak 5 pm–9 pm, Mid-peak 9 pm–12 am. Running dishwashers, laundry and EV charging outside them costs less. Find the cheapest hour for an appliance.
Calculators with Hawaiian Electric preloaded
Sources: population, Census Bureau Vintage 2025 estimates; city location, Census Gazetteer; service territory, Electric Retail Service Territories (HIFLD/ORNL, from EIA-861); tariffs, see the Hawaiian Electric page.