Typical home: Worth it

Solar in East Honolulu, HI

With Hawaiian Electric's electricity at about 43.7¢ per kWh and 1,443 kWh of sun per kW, solar is worth it for a typical East Honolulu home today: about a 7.1-year payback.

Payback, typical home
7.1 yrsHawaii: 6.7 yrs
25-year net
$32,056after paying $9,350
Sun
1,443kWh per kW per year
Electricity
43.7¢143% above U.S. average

A typical East Honolulu home, by the numbers

UtilityHawaiian Electric
Electricity use468 kWh a month
Best-value system3.1 kW, about 7 panels, 4,473 kWh a year (80% of use)
Cost$14,350, or $9,350 after state incentives
First-year savings$1,313
Payback7.1 years
Exported power13.5¢/kWh (Hawaiian Electric)

Cash purchase, no federal credit, 3.2% yearly rate increases. Run it with your own numbers.

Solar production per kW in East Honolulu

kWh per kW each month, south-facing at 20° tilt. PVWatts v8 with local typical-year weather.

Show as a table
PeriodValue
Jan107
Feb101
Mar116
Apr126
May135
Jun133
Jul132
Aug142
Sep138
Oct114
Nov98
Dec101

Homes in East Honolulu

Owner-occupied homes
85%
Single-family detached
71%
Median home value
$1.2M
Median year built
1975
Population
51,360

Census ACS 2020–2024.

Installers working in East Honolulu

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 East Honolulu

Is solar worth it in East Honolulu, HI?

For a typical home in East Honolulu, solar is worth it at 2026 prices: a 3.1 kW system costs about $9,350 after state incentives, saves about $1,313 in year one and pays back in about 7.1 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in East Honolulu?

About 1,443 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 7% less than the Hawaii average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in East Honolulu?

Most homes in East Honolulu are served by Hawaiian Electric, at about 43.7¢ per kWh on average.

How much do solar panels cost in East Honolulu?

A fair cash price is around $4.00 per watt before incentives, so about $14,350 for a 3.1 kW system. There's no federal tax credit for homeowners who buy in 2026.

Nearby

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.