Descanso, CA 91916 solar market data
Updated April 14, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Descanso 91916 has 264 solar installations at a median installed cost of $4.37/W, recent growth not yet measurable, and a Market Score of 39 — higher than 32% of U.S. zip markets.
Versus California
How 91916 compares with the state
Installed cost
$0.11/W above
state median $4.26/W
Market score
39 vs 53
California scores 53
Share of state installs
0.01%
of 2.3M tracked statewide
Battery attach
20.4%
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
Growth & pricing
91916 by year
9 installs in the trailing twelve months vs 12 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91916
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SEMPER SOLARIS | 43 | 0 | 7.31 | $4.62 |
| 2 | SUNRUN | 21 | 0 | 6.18 | $4.77 |
| 3 | BAKER ELECTRIC SOLAR | 15 | 0 | 9.18 | $4.78 |
| 4 | BRIGHT PLANET SOLAR | 12 | 1 | 6.57 | $5.37 |
| 5 | SULLIVAN SOLAR POWER | 8 | 0 | 6.92 | $5.45 |
| 6 | TESLA | 8 | 0 | 4.85 | $5.12 |
| 7 | ALTERNATIVE ENERGY APPLICATIONS | 6 | 0 | 10.17 | $2.95 |
| 8 | HOME ENERGY SYSTEMS | 6 | 0 | 7.18 | $5.60 |
| 9 | SOLARTECH ENERGY SYSTEMS | 5 | 0 | 8.37 | $3.38 |
| 10 | SAN DIEGO SOLAR | 4 | 1 | 8.63 | $3.32 |
| 11 | ALTERNATIVE ENERGY TECHNOLOGIES | 4 | 0 | 7.23 | $7.19 |
| 12 | MILHOLLAND ELECTRIC | 4 | 0 | 8.26 | $4.23 |
Equipment
What gets installed in 91916
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA17.6%
LG ELECTRONICS15.0%
SUNPOWER14.1%
SILFAB SOLAR7.5%
CSI SOLAR5.7%
Inverters
SOLAREDGE31.9%
ENPHASE ENERGY30.2%
SMA AMERICA11.1%
SUNPOWER9.8%
TESLAINC1.7%
Frequently asked
Quick answers about 91916
How many solar installations are there in 91916?
SolarDNA counts 264 active solar installations in Descanso 91916, 262 of them residential, with data through April 14, 2026.
How much does solar cost in 91916?
The median residential system in 91916 cost $4.37 per watt over the trailing twelve months, $0.11/W above the California median.
Is solar growing in 91916?
Recent growth cannot be measured yet for 91916: too few recent installs (data runs through April 14, 2026).
Who installs solar in 91916?
SEMPER SOLARIS, SUNRUN, BAKER ELECTRIC SOLAR lead the 97 installers with systems in 91916. The full comp set is above.
Is 91916 a good market for solar sales?
91916 scores 39 out of 100 (Good, higher than 32% of U.S. zip markets). With under 500 installations the score is provisional.