Solar installations in Honolulu County, HI
3,072 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.
† Hawaii is under-reported. Public solar data is incomplete statewide, so this 0.82% homes-with-solar figure is a floor — the true rate is higher. See the coverage scorecard.
Severe-weather exposure: solar sites here have been matched to an average of 1 hail and 0 high-wind NOAA storm events — a regional inspection/maintenance signal (proximity, not confirmed damage).
Search every recorded installation in Honolulu County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 35,151 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 9% of that (this county is under-reported in public program data). A yardstick, not dated records.
Most active
Top installers in Honolulu County
Growth
Installations by year
Frequently asked questions
How many homes have solar in Honolulu County?
PanelCensus records 3,072 solar installations in Honolulu County, Hawaii (981.9 MW of capacity) — about 0.82% of the county's 372,329 housing units (U.S. Census ACS). 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.
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. Market penetration = recorded installations ÷ housing units (U.S. Census Bureau ACS 5-Year, Table B25001); it undercounts where dataset coverage is partial. See methodology.