
Electricity Rates in Kahului, HI
Average electricity cost, utility comparison, and solar savings potential for Kahului homeowners.
Electricity in Kahului, HI averages $0.39/kWh and about $359/month — here is how that compares and how solar lowers it.
- The average residential electricity rate in Kahului is $0.39/kWh, 144% above the U.S. average of $0.16/kWh.
- A typical Kahului home pays about $359 per month for electricity.
- Hawaii has a regulated market — the local utility sets the rate.
- Solar panels cut a typical Kahului bill by about 94% (around $337/month) and lock in costs for 25+ years.
What is the average electricity rate in Kahului, HI?
The average residential electricity rate in Kahului, HI is $0.39 per kWh, which is 144% above the national average of $0.16/kWh. Homeowners in Kahului pay an average of $359 per month for electricity, based on typical usage of 921 kWh per month.
Electricity rates in Kahului are determined by the local utility providers that serve the area. Rates can vary depending on your specific utility, usage level, and time of use.
Which electric utilities serve Kahului, HI?
| Utility Company | Avg Rate ($/kWh) | Est. Monthly Bill |
|---|---|---|
| Hawaiian Electric (HECO) | $0.40 | $368 |
| Maui Electric | $0.38 | $350 |
| Hawaii Electric Light | $0.37 | $341 |
Can solar lower your Kahului electricity bill?
Without Solar
- Monthly bill: $359
- Annual cost: $4,308
- 25-year cost: $107,700
- Rate trend: Rising 2-5% annually
With Solar
- Monthly savings: $337
- Annual savings: $4,044
- 25-year savings: $65,000
- Rate: Locked in for 25+ years

Electricity Rates FAQ - Kahului, HI
The average residential electricity rate in Kahului is $0.39 per kilowatt-hour (kWh), which is 144% above the national average of $0.16/kWh. The average monthly electric bill for Kahului homeowners is approximately $359.
With solar panels, Kahului homeowners can reduce their electricity costs by approximately 94%, saving around $337 per month or $65,000 over 25 years. The 30% federal tax credit further reduces the upfront cost of going solar.
The major electric utilities serving the Kahului area include Hawaiian Electric (HECO), Maui Electric, Hawaii Electric Light. Rates vary between providers, so your exact cost depends on your utility and usage level.
Yes, electricity rates in Kahului and across Hawaii have been increasing, following national trends of 2-5% annual increases. This makes solar panels an increasingly attractive option since they lock in your energy costs for 25+ years.
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