PanelCensus

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.

Installations
3,070
Total capacity
1.4 GW
Median price
$2.50/W
pre-incentive
Third-party owned
0%
lease / PPA

Most active

Top installers in Hawaii

#InstallerInstalls in HI
1Hawaii Energy Connection, LLC332
2Revolusun168
3Elemental Energy LLC164
4Photonworks Engineering LLP124
5American Piping & Boiler Co., Shane Lau, PE121
6HAWAII PACIFIC SOLAR LLC108
7HALEAKALA SOLAR INC85
8ENERGY INDUSTRIES, LLC78
9O & E MATIAS ELECTRICAL SERVICE LLC72
10AMERICAN ELECTRIC CO LLC69
11Alternate Energy61
12Paul's Electrical Contracting LLC54
13SolarCity (Tesla)52
14T & T ELECTRIC INC51
15DEP/APB JV LLC45

Hawaii installer directory →

Growth

Installations by year

2008
56$2.50/W
2009
62$2.50/W
2010
94$2.50/W
2011
217$2.50/W
2012
239$2.50/W
2013
421$2.50/W
2014
225$2.50/W
2015
349$2.50/W
2016
408$2.50/W
2017
213$2.50/W
2018
119$2.50/W
2019
122$2.50/W
2020
102$2.00/W
2021
58$2.00/W
2022
53$2.00/W
2023
118$2.00/W
2024
133$2.00/W
2025
49$2.00/W
2026
1

Bars: recorded installs · right column: median $/W that year.

By county

Solar by county in Hawaii

CountyInstallsCapacityMedian $/W
Honolulu County2,988981.9 MW$2.50/W
Kauai County54101.5 MW$5.51/W
Maui County1981.8 MW—

Counties derived from installation ZIP codes (Census ZCTA crosswalk) — approximate at boundaries. Counties with fewer than 50 recorded installs are shown but not indexed.

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 — 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).