Westley, CA solar installation & market data
Updated May 28, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Westley has 26 solar installations across 1 zip code at a median installed cost of $3.75/W, recent growth not yet measurable, and an installs-weighted Market Score of 41.
Active installations
26
Zip markets
1
Median cost
$3.75/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Westley scores higher than 37% of U.S. zip markets.
Versus California
How Westley compares with the state
Installed cost
$0.51/W below
state median $4.26/W
Market score
41 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
7.7%
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
Westley by year
5 installs in the trailing twelve months vs 1 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Westley
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | AMBASSADOR ENERGY | 3 | 0 | 1 | $3.96 |
| 2 | MID VALLEY POWER | 2 | 2 | 1 | $2.95 |
| 3 | SUNRUN | 2 | 1 | 1 | $4.54 |
| 4 | R T MAHER CONSTRUCTION | 2 | 0 | 1 | $4.06 |
| 5 | RADIUS ENERGY | 2 | 0 | 1 | $5.47 |
| 6 | RT MAHER CONSTRUCTION | 2 | 0 | 1 | $2.26 |
| 7 | TESLA | 1 | 1 | 1 | $3.75 |
| 8 | AIR TECH HVAC | 1 | 0 | 1 | — |
| 9 | AMERICAN RENEWABLE ENERGY | 1 | 0 | 1 | $4.22 |
| 10 | BARRIER SOLAR | 1 | 0 | 1 | $1.80 |
| 11 | INFINITY ENERGY | 1 | 0 | 1 | $4.71 |
| 12 | J K B ENERGY | 1 | 0 | 1 | $1.95 |
Zip markets
Zips in Westley
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95387 | 26 | $3.75 | 41 C |