Solar in Ewa Gentry, HI
With Hawaiian Electric's electricity at about 43.7¢ per kWh and 1,685 kWh of sun per kW, solar is worth it for a typical Ewa Gentry home today: about a 6.7-year payback.
- Payback, typical home
- 6.7 yrsHawaii: 6.7 yrs
- 25-year net
- $35,944after paying $10,050
- Sun
- 1,685kWh per kW per year
- Electricity
- 43.7¢143% above U.S. average
A typical Ewa Gentry home, by the numbers
| Utility | Hawaiian Electric |
|---|---|
| Electricity use | 468 kWh a month |
| Best-value system | 3.3 kW, about 8 panels, 5,559 kWh a year (99% of use) |
| Cost | $15,050, or $10,050 after state incentives |
| First-year savings | $1,488 |
| Payback | 6.7 years |
| Exported power | 13.5¢/kWh (Hawaiian Electric) |
Cash purchase, no federal credit, 3.2% yearly rate increases. Run it with your own numbers.
Homes in Ewa Gentry
- Owner-occupied homes
- 78%
- Single-family detached
- 68%
- Median home value
- $816k
- Median year built
- 1998
- Population
- 26,563
- Roofs suitable for solar†
- 100%
Census ACS 2020–2024. †Share of 842 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Ewa Gentry
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 Ewa Gentry
Is solar worth it in Ewa Gentry, HI?
For a typical home in Ewa Gentry, solar is worth it at 2026 prices: a 3.3 kW system costs about $10,050 after state incentives, saves about $1,488 in year one and pays back in about 6.7 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Ewa Gentry?
About 1,685 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 9% more than the Hawaii average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Ewa Gentry?
Most homes in Ewa Gentry are served by Hawaiian Electric, at about 43.7¢ per kWh on average.
How much do solar panels cost in Ewa Gentry?
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
- Waipahu 6.6 yrs
- Pearl City 6.9 yrs
- Mililani Town 7.1 yrs
- Honolulu 6.9 yrs
- Kaneohe 6.9 yrs
- Kailua CDP (Honolulu County) 6.9 yrs
- East Honolulu 7.1 yrs
- Kahului 6.4 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.