Fontana, CA 92331 solar market data
Updated January 22, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Fontana 92331 has 8 solar installations at a median installed cost of $6.45/W, recent growth not yet measurable, and a Market Score of 28 — higher than 1% of U.S. zip markets.
Versus California
How 92331 compares with the state
Installed cost
$2.19/W above
state median $4.26/W
Market score
28 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
12.5%
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
Growth & pricing
92331 by year
6 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 92331
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | LGCY POWER | 6 | 6 | 3.49 | $2.50 |
| 2 | BRIGHT OPS | 1 | 0 | 5.16 | $6.45 |
| 3 | SUNBELT SOLAR | 1 | 0 | 6.12 | $8.50 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 92335 Fontana | 1.5 km | 3,778 | $3.95 | 40 |
| 92334 Fontana | 2.4 km | 11 | $4.49 | 37 |
| 92336 Fontana | 3.5 km | 12,279 | $4.22 | 48 |
| 92337 Fontana | 4.8 km | 2,132 | $4.46 | 39 |
| 92316 Bloomington | 6.4 km | 1,092 | $4.15 | 36 |
| 92376 Rialto | 8.1 km | 4,279 | $4.45 | 45 |
Same city
Other zips in Fontana
Equipment
What gets installed in 92331
Share of systems with a recorded brand
Modules
CSI SOLAR100.0%
Inverters
ENPHASE ENERGY75.0%
PV POWERED12.5%
SOLAREDGE12.5%
Frequently asked
Quick answers about 92331
How many solar installations are there in 92331?
SolarDNA counts 8 active solar installations in Fontana 92331, 8 of them residential, with data through January 22, 2026.
How much does solar cost in 92331?
The median residential system in 92331 cost $6.45 per watt over the trailing twelve months, $2.19/W above the California median.
Is solar growing in 92331?
Recent growth cannot be measured yet for 92331: too few recent installs (data runs through January 22, 2026).
Who installs solar in 92331?
LGCY POWER, BRIGHT OPS, SUNBELT SOLAR lead the 3 installers with systems in 92331. The full comp set is above.
Is 92331 a good market for solar sales?
92331 scores 28 out of 100 (Weak, higher than 1% of U.S. zip markets). With under 500 installations the score is provisional.