Yucaipa, CA 92399 solar market data
Updated April 20, 2026 By The SolarDNA Data Team
Yucaipa 92399 has 4,659 solar installations at a median installed cost of $4.27/W, installations down 2.6% over the trailing twelve months, and a Market Score of 48 — higher than 78% of U.S. zip markets.
Versus California
How 92399 compares with the state
Installed cost
$0.00/W above
state median $4.26/W
Market score
48 vs 53
California scores 53
Share of state installs
0.21%
of 2.3M tracked statewide
Battery attach
17.4%
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: 303–371 installs (midpoint 337)
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
92399 by year
341 installs in the trailing twelve months vs 350 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92399
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 752 | 83 | 7.8 | $4.10 |
| 2 | TESLA | 280 | 15 | 7.76 | $4.90 |
| 3 | SUNPOWER | 206 | 12 | 16.88 | $4.72 |
| 4 | SUNGEVITY | 204 | 0 | 7.42 | $4.00 |
| 5 | BRIGHT OPS | 162 | 29 | 7.52 | $4.54 |
| 6 | CURRENT HOME SOLAR | 160 | 0 | 9.04 | $4.75 |
| 7 | SUNNOVA ENERGY | 142 | 0 | 4.79 | $3.80 |
| 8 | SOLARMAX | 119 | 0 | 7.7 | $3.45 |
| 9 | SMART SOLAR POWER | 113 | 0 | 8.76 | $4.59 |
| 10 | FREEDOM FOREVER | 111 | 17 | 8.56 | $4.18 |
| 11 | PROGRESSIVE ENERGY SOLUTIONS | 110 | 1 | 6.7 | $6.24 |
| 12 | VERENGO | 94 | 0 | 6.25 | $5.35 |
Equipment
What gets installed in 92399
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA24.5%
CSI SOLAR8.3%
SUNPOWER7.1%
LONGI GREEN ENERGY TECHNOLOGY7.0%
JA SOLAR4.3%
Inverters
ENPHASE ENERGY46.5%
SOLAREDGE28.5%
SMA AMERICA5.1%
SUNPOWER4.8%
TESLA3.9%
Frequently asked
Quick answers about 92399
How many solar installations are there in 92399?
SolarDNA counts 4,659 active solar installations in Yucaipa 92399, 4,611 of them residential, with data through April 20, 2026.
How much does solar cost in 92399?
The median residential system in 92399 cost $4.27 per watt over the trailing twelve months, $0.00/W above the California median.
Is solar growing in 92399?
Installations in 92399 are down 2.6%: 341 in the trailing twelve months versus 350 before.
Who installs solar in 92399?
SUNRUN, TESLA, SUNPOWER lead the 438 installers with systems in 92399. The full comp set is above.
Is 92399 a good market for solar sales?
92399 scores 48 out of 100 (Great, higher than 78% of U.S. zip markets).