Fontana, CA solar installation & market data
Updated May 4, 2026 By The SolarDNA Data Team
Fontana has 18,208 solar installations across 5 zip codes at a median installed cost of $4.19/W, installations down 14.0% over the trailing twelve months, and an installs-weighted Market Score of 45.
Active installations
18,208
Zip markets
5
Median cost
$4.19/W
12-mo growth
▼ 14.0%
Installers active
718
City Market Score
Good · installs-weighted across 5 zips
Best zip in Fontana scores higher than 79% of U.S. zip markets.
Versus California
How Fontana compares with the state
Installed cost
$0.07/W below
state median $4.26/W
Market score
45 vs 53
California scores 53
Share of state installs
0.81%
of 2.3M tracked statewide
Battery attach
18.3%
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: 1,076–1,315 installs (midpoint 1,195)
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
Fontana by year
1,285 installs in the trailing twelve months vs 1,495 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Fontana
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 2,919 | 398 | 4 | $4.43 |
| 2 | TESLA | 1,627 | 70 | 3 | $4.88 |
| 3 | SUNPOWER | 1,462 | 39 | 3 | $4.28 |
| 4 | SUNNOVA ENERGY | 1,307 | 0 | 3 | $3.80 |
| 5 | VERENGO | 923 | 0 | 3 | $2.42 |
| 6 | BRIGHT OPS | 609 | 91 | 4 | $4.38 |
| 7 | FREEDOM FOREVER | 563 | 53 | 4 | $4.05 |
| 8 | SUNSTREET ENERGY GROUP | 449 | 0 | 2 | $3.81 |
| 9 | SUNCREST SOLAR | 424 | 0 | 4 | — |
| 10 | LEONARD ROOFING | 406 | 0 | 4 | $2.29 |
| 11 | SUNGEVITY | 351 | 0 | 3 | $4.00 |
| 12 | ESP CONTRACTING | 301 | 0 | 3 | $4.08 |
| 13 | V3 ELECTRIC | 296 | 38 | 3 | $4.32 |
| 14 | SOLARMAX | 234 | 0 | 3 | $3.42 |
| 15 | SOLCIUS | 204 | 0 | 3 | $4.82 |
| 16 | LGCY POWER | 172 | 140 | 4 | $2.51 |
| 17 | SEMPER SOLARIS | 169 | 3 | 3 | $4.20 |
| 18 | COMPLETE SOLAR | 151 | 8 | 3 | $4.05 |
| 19 | PETERSENDEAN | 137 | 0 | 3 | $3.98 |
| 20 | BETTER EARTH | 134 | 0 | 3 | $5.34 |
| 21 | DAYLIGHT SOLAR ENERGY | 133 | 8 | 3 | $2.98 |
| 22 | SUNERGY CONSTRUCTION | 132 | 0 | 3 | $3.66 |
| 23 | ABUNDANT ENERGY CONSTRUCTION | 128 | 0 | 3 | $4.93 |
| 24 | POWUR | 103 | 0 | 3 | $4.52 |
| 25 | SOLARA HOME ENERGY | 100 | 100 | 1 | $6.40 |