Kauai County, HI solar installation & market data
Updated December 3, 2009Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Kauai County has 47 solar installations across 2 zip codes at a median installed cost of $6.60/W, recent growth not yet measurable, and an installs-weighted Market Score of 38.
Active installations
47
Zip markets
2
Median cost
$6.60/W
12-mo growth
—
Installers active
2
County Market Score
Fair · installs-weighted across 2 zips
Best zip in Kauai County scores higher than 30% of U.S. zip markets.
Versus Hawaii
How Kauai County compares with the state
Installed cost
—
state median —/W
Market score
38 vs 57
Hawaii scores 57
Share of state installs
142.42%
of 33 tracked statewide
Battery attach
0.0%
state 36.4%
Statewide momentum
▲ 3.3%
residential solar added in Hawaii, 12 months through Jul 2026
Statewide market
125.8K systems
40.5% of homes · utility-reported through Jul 2026
Growth & pricing
Kauai County by year
43 installs in the trailing twelve months vs 4 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Kauai County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNPOWER | 46 | 0 | 1 | — |
| 2 | BLACK OAK ELECTRIC | 1 | 0 | 1 | $6.59 |