PanelCensus

Solar installations in Honolulu County, HI

2,988 recorded installations in Honolulu County, Hawaii — capacity, prices and the installers doing the work.

Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.

Installations
2,988
Total capacity
981.9 MW
Median price
$2.50/W
pre-incentive
Third-party owned
0%
lease / PPA

Most active

Top installers in Honolulu County

Growth

Installations by year

2008
54
2009
62
2010
93
2011
217
2012
238
2013
421
2014
224
2015
348
2016
395
2017
210
2018
115
2019
116
2020
99
2021
55
2022
50
2023
115
2024
128
2025
48

Frequently asked questions

How many homes have solar in Honolulu County?

PanelCensus records 2,988 solar installations in Honolulu County, Hawaii (981.9 MW of capacity). Dataset coverage depends on Hawaii's reporting programs, so the true total is higher.

How much does solar cost in Honolulu County?

The median installed price for recorded systems in Honolulu County is $2.50/W pre-incentive; the median system runs 43 kW.

Who installs solar in Honolulu County?

The most active recorded installers in Honolulu County are Hawaii Energy Connection, LLC, Revolusun, Elemental Energy LLC.

County assignment is derived from installation ZIP codes via the Census 2020 ZCTA↔county crosswalk (primary county by land-area overlap) — approximate at county boundaries. See methodology.