Challenge, CA 95925 solar market data
Updated February 17, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Challenge 95925 has 8 solar installations at a median installed cost of $2.98/W, recent growth not yet measurable, and a Market Score of 44 — higher than 65% of U.S. zip markets.
Versus California
How 95925 compares with the state
Installed cost
$1.28/W below
state median $4.26/W
Market score
44 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
95925 by year
1 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 95925
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | WESTHAVEN SOLAR | 2 | 0 | 5.49 | $2.23 |
| 2 | N R G CLEAN POWER | 1 | 1 | 5.27 | $5.43 |
| 3 | APEX ELECTRIC | 1 | 0 | 12.8 | $2.75 |
| 4 | FREEDOM FOREVER | 1 | 0 | 8.26 | $3.01 |
| 5 | HOOKED ON SOLAR | 1 | 0 | 8.63 | $6.32 |
| 6 | PLAN IT SOLAR | 1 | 0 | 11.1 | $2.95 |
| 7 | URBAN DESIGN SOLAR | 1 | 0 | 12.32 | $2.89 |
Equipment
What gets installed in 95925
Share of systems with a recorded brand
Modules
REC GROUP25.0%
QCELLS NORTH AMERICA12.5%
REC SOLAR12.5%
SANYO ELECTRIC OF PANASONIC GROUP12.5%
SILFAB SOLAR12.5%
Inverters
SOLAREDGE62.5%
ENPHASE ENERGY12.5%
SUNPOWER12.5%
TESLA12.5%
Frequently asked
Quick answers about 95925
How many solar installations are there in 95925?
SolarDNA counts 8 active solar installations in Challenge 95925, 8 of them residential, with data through February 17, 2026.
How much does solar cost in 95925?
The median residential system in 95925 cost $2.98 per watt over the trailing twelve months, $1.28/W below the California median.
Is solar growing in 95925?
Recent growth cannot be measured yet for 95925: too few recent installs (data runs through February 17, 2026).
Who installs solar in 95925?
WESTHAVEN SOLAR, N R G CLEAN POWER, APEX ELECTRIC lead the 7 installers with systems in 95925. The full comp set is above.
Is 95925 a good market for solar sales?
95925 scores 44 out of 100 (Good, higher than 65% of U.S. zip markets). With under 500 installations the score is provisional.