San Ysidro, CA 92173 solar market data
Updated May 15, 2026 By The SolarDNA Data Team
San Ysidro 92173 has 910 solar installations at a median installed cost of $4.65/W, installations down 6.6% over the trailing twelve months, and a Market Score of 39 — higher than 33% of U.S. zip markets.
Versus California
How 92173 compares with the state
Installed cost
$0.39/W above
state median $4.26/W
Market score
39 vs 53
California scores 53
Share of state installs
0.04%
of 2.3M tracked statewide
Battery attach
7.7%
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: 50–61 installs (midpoint 55)
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
92173 by year
57 installs in the trailing twelve months vs 61 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92173
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 272 | 18 | 4.51 | $4.72 |
| 2 | BRIGHT PLANET SOLAR | 82 | 10 | 4.62 | $4.91 |
| 3 | TESLA | 60 | 0 | 4.48 | $5.12 |
| 4 | INFINITY ENERGY | 55 | 0 | 4.23 | $4.49 |
| 5 | FREEDOM SOLAR POWER TX | 25 | 0 | 4.7 | $4.47 |
| 6 | SEMPER SOLARIS | 24 | 0 | 5.2 | $4.37 |
| 7 | ENERGY SERVICE PARTNERS | 17 | 0 | 4.57 | $4.26 |
| 8 | COMPLETE SOLAR | 13 | 0 | 5.24 | $5.39 |
| 9 | AMERICAN SOLAR DIRECT | 12 | 0 | 4.47 | $5.90 |
| 10 | TITAN SOLAR | 11 | 0 | 4.06 | $6.03 |
| 11 | CALSOLAR | 10 | 10 | 18.15 | — |
| 12 | EVERYDAY ENERGY | 10 | 0 | 28.1 | — |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 92154 San Diego | 3.0 km | 6,033 | $4.50 | 38 |
| 91911 Chula Vista | 5.2 km | 5,363 | $4.58 | 39 |
| 91932 Imperial Beach | 7.0 km | 1,141 | $4.42 | 42 |
| 91910 Chula Vista | 8.6 km | 5,260 | $4.45 | 52 |
| 91909 Chula Vista | 9.4 km | 5 | $8.00 | 28 |
| 91913 Chula Vista | 11.3 km | 7,503 | $4.28 | 37 |
Equipment
What gets installed in 92173
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA18.5%
LONGI GREEN ENERGY TECHNOLOGY14.0%
CSI SOLAR7.2%
JINKO SOLAR6.9%
KYOCERA SOLAR4.8%
Inverters
SOLAREDGE50.3%
ENPHASE ENERGY21.1%
ABB5.3%
SMA AMERICA3.5%
TESLAINC2.8%
Frequently asked
Quick answers about 92173
How many solar installations are there in 92173?
SolarDNA counts 910 active solar installations in San Ysidro 92173, 872 of them residential, with data through May 15, 2026.
How much does solar cost in 92173?
The median residential system in 92173 cost $4.65 per watt over the trailing twelve months, $0.39/W above the California median.
Is solar growing in 92173?
Installations in 92173 are down 6.6%: 57 in the trailing twelve months versus 61 before.
Who installs solar in 92173?
SUNRUN, BRIGHT PLANET SOLAR, TESLA lead the 144 installers with systems in 92173. The full comp set is above.
Is 92173 a good market for solar sales?
92173 scores 39 out of 100 (Good, higher than 33% of U.S. zip markets).