Grand Terrace, CA solar installation & market data
Updated May 7, 2026 By The SolarDNA Data Team
Grand Terrace has 920 solar installations across 1 zip code at a median installed cost of $4.41/W, installations up 34.3% over the trailing twelve months, and an installs-weighted Market Score of 51.
Active installations
920
Zip markets
1
Median cost
$4.41/W
12-mo growth
▲ 34.3%
Installers active
12
City Market Score
Excellent · installs-weighted across 1 zips
Best zip in Grand Terrace scores higher than 91% of U.S. zip markets.
Versus California
How Grand Terrace compares with the state
Installed cost
$0.15/W above
state median $4.26/W
Market score
51 vs 53
California scores 53
Share of state installs
0.04%
of 2.3M tracked statewide
Battery attach
23.0%
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: 88–118 installs (midpoint 103)
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
Grand Terrace by year
90 installs in the trailing twelve months vs 67 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Grand Terrace
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 224 | 33 | 1 | $4.38 |
| 2 | TESLA | 44 | 4 | 1 | $5.12 |
| 3 | SOLARMAX | 44 | 0 | 1 | $3.61 |
| 4 | BRIGHT OPS | 40 | 12 | 1 | $4.59 |
| 5 | FREEDOM FOREVER | 28 | 3 | 1 | $3.80 |
| 6 | SUNGEVITY | 22 | 0 | 1 | $3.81 |
| 7 | SEMPER SOLARIS | 21 | 0 | 1 | $4.42 |
| 8 | VERENGO | 21 | 0 | 1 | $4.67 |
| 9 | COMPLETE SOLAR | 20 | 0 | 1 | $4.14 |
| 10 | CURRENT HOME SOLAR | 17 | 0 | 1 | $5.44 |
| 11 | ESP CONTRACTING | 17 | 0 | 1 | $3.90 |
| 12 | SOLAR SERVICE CENTER | 15 | 0 | 1 | $4.76 |
Zip markets
Zips in Grand Terrace
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 92313 | 920 | $4.41 | 51 A |