Rancho Santa Margarita, CA 92688 solar market data
Updated April 1, 2026 By The SolarDNA Data Team
Rancho Santa Margarita 92688 has 2,378 solar installations at a median installed cost of $4.24/W, installations up 19.0% over the trailing twelve months, and a Market Score of 53 — higher than 96% of U.S. zip markets.
Zip Market Score
Excellent · higher than 96% of zips
Versus California
How 92688 compares with the state
Installed cost
$0.02/W below
state median $4.26/W
Market score
53 vs 53
California scores 53
Share of state installs
0.11%
of 2.3M tracked statewide
Battery attach
17.8%
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: 148–180 installs (midpoint 164)
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
92688 by year
150 installs in the trailing twelve months vs 126 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92688
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 405 | 15 | 7.91 | $5.10 |
| 2 | SUNRUN | 342 | 29 | 10 | $4.29 |
| 3 | SUNPOWER | 129 | 0 | 11.38 | $4.77 |
| 4 | FREEDOM FOREVER | 56 | 22 | 7.02 | $4.47 |
| 5 | ORANGE COUNTY CONTRACTING SERVICES | 51 | 20 | 7.83 | $3.39 |
| 6 | PACIFIC SUN | 49 | 0 | 7.53 | $3.72 |
| 7 | AMERICAN SOLAR DIRECT | 47 | 0 | 4.15 | $6.27 |
| 8 | SUNGEVITY | 46 | 0 | 5.32 | $3.76 |
| 9 | SULLIVAN SOLAR POWER | 44 | 0 | 6.32 | $4.23 |
| 10 | SEMPER SOLARIS | 43 | 0 | 6.64 | $3.85 |
| 11 | VERENGO | 43 | 0 | 6.15 | $3.95 |
| 12 | PEAK POWER SOLUTIONS | 37 | 0 | 4.85 | $5.23 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 92679 Trabuco Canyon | 1.3 km | 3,918 | $4.02 | 60 |
| 92678 Trabuco Canyon | 1.5 km | 41 | $3.44 | 42 |
| 92692 Mission Viejo | 6.1 km | 3,504 | $4.25 | 42 |
| 92610 Foothill Ranch | 7.1 km | 888 | $4.09 | 50 |
| 92691 Mission Viejo | 7.6 km | 3,677 | $4.35 | 51 |
| 92630 Lake Forest | 8.6 km | 4,639 | $4.25 | 51 |
Equipment
What gets installed in 92688
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA18.7%
SUNPOWER10.6%
LG ELECTRONICS7.9%
REC GROUP5.2%
LONGI GREEN ENERGY TECHNOLOGY5.2%
Inverters
SOLAREDGE33.4%
ENPHASE ENERGY29.4%
SUNPOWER8.1%
TESLA7.0%
ABB5.5%
Frequently asked
Quick answers about 92688
How many solar installations are there in 92688?
SolarDNA counts 2,378 active solar installations in Rancho Santa Margarita 92688, 2,332 of them residential, with data through April 1, 2026.
How much does solar cost in 92688?
The median residential system in 92688 cost $4.24 per watt over the trailing twelve months, $0.02/W below the California median.
Is solar growing in 92688?
Installations in 92688 are up 19.0%: 150 in the trailing twelve months versus 126 before.
Who installs solar in 92688?
TESLA, SUNRUN, SUNPOWER lead the 316 installers with systems in 92688. The full comp set is above.
Is 92688 a good market for solar sales?
92688 scores 53 out of 100 (Excellent, higher than 96% of U.S. zip markets).