Fountain Valley, CA solar installation & market data
Updated April 28, 2026 By The SolarDNA Data Team
Fountain Valley has 2,949 solar installations across 2 zip codes at a median installed cost of $4.01/W, installations up 17.0% over the trailing twelve months, and an installs-weighted Market Score of 54.
Active installations
2,949
Zip markets
2
Median cost
$4.01/W
12-mo growth
▲ 17.0%
Installers active
415
City Market Score
Excellent · installs-weighted across 2 zips
Best zip in Fountain Valley scores higher than 97% of U.S. zip markets.
Versus California
How Fountain Valley compares with the state
Installed cost
$0.25/W below
state median $4.26/W
Market score
54 vs 53
California scores 53
Share of state installs
0.13%
of 2.3M tracked statewide
Battery attach
18.5%
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
Next-12-month outlook: 235–287 installs (midpoint 261)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±10% band. Not a forecast of permits or policy.
Growth & pricing
Fountain Valley by year
241 installs in the trailing twelve months vs 206 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Fountain Valley
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 470 | 67 | 1 | $4.38 |
| 2 | TESLA | 351 | 26 | 1 | $4.97 |
| 3 | SWSS ELECTRIC | 149 | 13 | 1 | $2.74 |
| 4 | FREEDOM FOREVER | 90 | 11 | 1 | $4.58 |
| 5 | SUNPOWER | 74 | 7 | 2 | $4.72 |
| 6 | SUNNOVA ENERGY | 72 | 0 | 1 | $4.03 |
| 7 | ECOSOLAR USA | 64 | 0 | 1 | $3.81 |
| 8 | VERENGO | 52 | 0 | 1 | $4.91 |
| 9 | ORANGE COUNTY CONTRACTING SERVICES | 45 | 5 | 1 | $3.58 |
| 10 | BRIGHT OPS | 35 | 6 | 1 | $4.32 |
| 11 | SOLAR OPTIMUM DESIGN ELECTRIC | 35 | 0 | 1 | $3.00 |
| 12 | SOLARMAX | 32 | 0 | 1 | $3.13 |
| 13 | SEMPER SOLARIS | 32 | 2 | 1 | $4.05 |
| 14 | SOLAR TIME ELECTRIC SERVICES | 31 | 0 | 1 | $3.25 |
| 15 | SUNGEVITY | 31 | 0 | 1 | $4.08 |
| 16 | PETERSENDEAN | 29 | 0 | 1 | $3.70 |
| 17 | INFINITY ELECTRIC | 29 | 0 | 1 | $3.44 |
| 18 | ABUNDANT ENERGY CONSTRUCTION | 26 | 0 | 1 | $4.42 |
| 19 | GALKOS CONSTRUCTION | 26 | 0 | 1 | $11.31 |
| 20 | PEAK POWER SOLUTIONS | 26 | 0 | 1 | $10.45 |
| 21 | SUNCREST SOLAR | 23 | 0 | 1 | — |
| 22 | BETTER EARTH | 22 | 0 | 1 | $4.57 |
| 23 | VASCO SOLAR | 21 | 2 | 1 | $3.62 |
| 24 | BRIGHT LIFE SOLAR | 18 | 0 | 1 | $3.71 |
| 25 | ECOSOLAR USA ELECTRIC | 17 | 13 | 1 | $4.02 |