Solar in Kahului, HI
With Maui Electric Co Ltd's electricity at about 45.2¢ per kWh and 1,664 kWh of sun per kW, solar is worth it for a typical Kahului home today: about a 6.4-year payback.
- Payback, typical home
- 6.4 yrsHawaii: 6.7 yrs
- 25-year net
- $38,970after paying $10,050
- Sun
- 1,664kWh per kW per year
- Electricity
- 45.2¢151% above U.S. average
A typical Kahului home, by the numbers
| Utility | Maui Electric Co Ltd |
|---|---|
| Electricity use | 502 kWh a month |
| Best-value system | 3.3 kW, about 8 panels, 5,491 kWh a year (91% of use) |
| Cost | $15,050, or $10,050 after state incentives |
| First-year savings | $1,562 |
| Payback | 6.4 years |
| Exported power | Net billing (reduced export credit) (Hawaii rule) |
Cash purchase, no federal credit, 3.2% yearly rate increases. Run it with your own numbers.
Homes in Kahului
- Owner-occupied homes
- 65%
- Single-family detached
- 74%
- Median home value
- $863k
- Median year built
- 1978
- Population
- 28,288
- Roofs suitable for solar†
- 97%
Census ACS 2020–2024. †Share of 6,988 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Kahului
Public installation records for Hawaii don't name installers, so we can't rank local companies here. Browse installers in Hawaii.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Kahului
Is solar worth it in Kahului, HI?
For a typical home in Kahului, solar is worth it at 2026 prices: a 3.3 kW system costs about $10,050 after state incentives, saves about $1,562 in year one and pays back in about 6.4 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Kahului?
About 1,664 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 8% more than the Hawaii average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Kahului?
Most homes in Kahului are served by Maui Electric Co Ltd, at about 45.2¢ per kWh on average.
How much do solar panels cost in Kahului?
A fair cash price is around $4.00 per watt before incentives, so about $15,050 for a 3.3 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- East Honolulu 7.1 yrs
- Kailua CDP (Honolulu County) 6.9 yrs
- Kaneohe 6.9 yrs
- Honolulu 6.9 yrs
- Pearl City 6.9 yrs
- Ewa Gentry 6.7 yrs
- Waipahu 6.6 yrs
- Mililani Town 7.1 yrs
- All of Hawaii
Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.