Solar installations in Hawaii
3,070 recorded installations — prices, growth by year, county breakdown and the installers doing the work.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
† Hawaii is under-reported. Public solar data is incomplete here, so the 0.54% homes-with-solar figure is a floor — the true rate is higher. See how complete each state's data is on the coverage scorecard.
Most active
Top installers in Hawaii
Growth
Installations by year
New installs per year and the running cumulative total, plus % of homes with solar (ACS housing units).
By county
Solar by county in Hawaii
| County | Installs | % homes | Capacity | Median $/W |
|---|---|---|---|---|
| Honolulu County | 3,072 | 0.82% | 981.9 MW | $2.50/W |
| Kauai County | 54 | 0.18% | 101.5 MW | $5.51/W |
| Maui County | 19 | 0.03% | 81.8 MW | — |
| Hawaii Countylimited | 2 | 0.00% | 31.1 MW | — |
Counties derived from installation ZIP codes (Census ZCTA crosswalk) — approximate at boundaries. Counties marked limited have under 10 recorded installs, so their medians and penetration are indicative only. % homes = recorded installs ÷ housing units (U.S. Census ACS 5-Year, B25001).
Search every recorded Hawaii installation — by installer, size, date, storage and equipment.
Search HI sites →Hardware
Top solar equipment in Hawaii
| # | Panel manufacturer | Systems |
|---|---|---|
| 1 | First Solar | 3 |
From recorded equipment on Hawaii systems (Tracking the Sun + state/permit data); counts are systems where the manufacturer is known.
Developers
Top solar developers in Hawaii
| # | Developer | Systems |
|---|---|---|
| 1 | Hawaii Energy Connection, LLC | 332 |
| 2 | Revolusun LLC * | 168 |
| 3 | Elemental Energy LLC | 164 |
| 4 | Photonworks Engineering LLP | 124 |
| 5 | American Piping & Boiler Co., Shane Lau, PE | 121 |
| 6 | HAWAII PACIFIC SOLAR LLC | 108 |
| 7 | HALEAKALA SOLAR INC | 85 |
| 8 | ENERGY INDUSTRIES, LLC | 78 |
Developer/EPC named on the permit or program record — often the same firm as the installer.
Frequently asked questions
How many solar installations are there in Hawaii?
PanelCensus records 3,070 solar installations in Hawaii, totalling 1.4 GW of capacity — about 0.54% of the state's 564,905 housing units (U.S. Census ACS) — compiled from LBNL's Tracking the Sun, city permit records, state programs and USGS/EIA utility-scale data. (Coverage depends on what the state publishes, so actual totals are higher.)
How much does solar cost per watt in Hawaii?
The median installed price across priced systems in Hawaii is $2.50/W pre-incentive. Year-by-year medians are shown on this page.
Who are the biggest solar installers in Hawaii?
Hawaii Energy Connection, LLC has the most recorded installations in Hawaii (332), followed by Revolusun (168).