Electricity rates › Hawaii

Hawaii electricity rates

Homes in Hawaii pay an average of 42.9¢ per kWh, 160% above the US average, and use 495 kWh a month. Hawaii ranks #1 of 51 for residential electricity prices.

42.9¢average price per kWh

495 kWhaverage use per month

$212average monthly bill

#1 of 51price rank (1 = most expensive)

Residential rates by utility in Hawaii

Utility	¢/kWh	ZIP codes served
Hawaiian Electric Co Inc	43.2	69
Hawaii Electric Light Co Inc	46.5	32
Maui Electric Co Ltd	43.8	19
Kauai Island Utility Cooperative	37.5	17

Average residential rates for full-service utilities, from NREL’s utility rates by ZIP code (2023). In areas with retail choice, your price depends on the plan you pick.

Is solar worth it in Hawaii?

At 42.9¢ per kWh, every 1,000 kWh your roof makes and you use yourself is worth about $429. A system that covers the average Hawaii home would replace about 5,940 kWh a year, roughly $2,546 of electricity at today’s prices.

4.4 kWsystem for an average home (11 panels)

$13,200rough installed cost

$2,546electricity saved per year

~5 yearssimple payback

Assumes a typical 1,350 kWh per kW of panels a year and $3.00/W installed, before incentives and price increases. Your roof’s direction, pitch and shade change these numbers; the estimator measures them for your address.

Plan solar for your Hawaii home

State figures: EIA Table 5A, 2024 Average Monthly Bill - Residential (forms EIA-861, 861S, 861U).