South El Monte, CA solar installation & market data
Updated May 9, 2026 By The SolarDNA Data Team
South El Monte has 833 solar installations across 1 zip code at a median installed cost of $4.17/W, installations up 345.5% over the trailing twelve months, and an installs-weighted Market Score of 55.
Active installations
833
Zip markets
1
Median cost
$4.17/W
12-mo growth
▲ 345.5%
Installers active
12
City Market Score
Excellent · installs-weighted across 1 zips
Best zip in South El Monte scores higher than 98% of U.S. zip markets.
Versus California
How South El Monte compares with the state
Installed cost
$0.10/W below
state median $4.26/W
Market score
55 vs 53
California scores 53
Share of state installs
0.04%
of 2.3M tracked statewide
Battery attach
12.0%
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: 191–259 installs (midpoint 225)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
South El Monte by year
196 installs in the trailing twelve months vs 44 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in South El Monte
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 268 | 138 | 1 | $4.13 |
| 2 | SUNPOWER | 73 | 0 | 1 | $4.50 |
| 3 | CALSTATE SOLAR | 32 | 0 | 1 | $4.17 |
| 4 | FREEDOM FOREVER | 31 | 8 | 1 | $4.89 |
| 5 | TESLA | 31 | 2 | 1 | $4.90 |
| 6 | SCS | 28 | 0 | 1 | $0.88 |
| 7 | ESP CONTRACTING | 18 | 0 | 1 | $4.40 |
| 8 | SWSS ELECTRIC | 18 | 0 | 1 | $2.98 |
| 9 | V3 ELECTRIC | 10 | 8 | 1 | $6.49 |
| 10 | BRIGHT OPS | 10 | 4 | 1 | $5.02 |
| 11 | SUNERGY CONSTRUCTION | 8 | 0 | 1 | $5.01 |
| 12 | VERENGO | 8 | 0 | 1 | $3.76 |
Zip markets
Zips in South El Monte
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 91733 | 833 | $4.17 | 55 A |