Westport, CA solar installation & market data
Updated April 8, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Westport has 15 solar installations across 1 zip code at a median installed cost of $5.85/W, recent growth not yet measurable, and an installs-weighted Market Score of 31.
Active installations
15
Zip markets
1
Median cost
$5.85/W
12-mo growth
—
Installers active
8
City Market Score
Weak · installs-weighted across 1 zips
Best zip in Westport scores higher than 4% of U.S. zip markets.
Versus California
How Westport compares with the state
Installed cost
$1.58/W above
state median $4.26/W
Market score
31 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
0.0%
state 12.7%
Statewide momentum
▲ 1.1%
residential solar added in California, 12 months through Jul 2026
Statewide market
2.3M systems
30.9% of homes · utility-reported through Jul 2026
Growth & pricing
Westport by year
1 installs in the trailing twelve months vs 2 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Westport
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | MENDOCINO SOLAR SERVICE | 5 | 0 | 1 | $5.45 |
| 2 | ROGER | 3 | 1 | 1 | $2.48 |
| 3 | KELSEYVILLE SOLAR ELECTRIC | 2 | 0 | 1 | $7.25 |
| 4 | COMPLETE SOLAR | 1 | 0 | 1 | $3.39 |
| 5 | FUTURE ELECTRIC ENERGY | 1 | 0 | 1 | — |
| 6 | RGS ENERGY | 1 | 0 | 1 | $8.34 |
| 7 | SIERRA PACIFIC HOME AND COMFORT | 1 | 0 | 1 | $8.51 |
| 8 | SOLAR WORKS | 1 | 0 | 1 | $8.94 |
Zip markets
Zips in Westport
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95488 | 15 | $5.85 | 31 F |