Rialto, CA solar installation & market data
Updated May 15, 2026 By The SolarDNA Data Team
Rialto has 6,852 solar installations across 2 zip codes at a median installed cost of $4.37/W, installations down 28.1% over the trailing twelve months, and an installs-weighted Market Score of 42.
Active installations
6,852
Zip markets
2
Median cost
$4.37/W
12-mo growth
▼ 28.1%
Installers active
468
City Market Score
Good · installs-weighted across 2 zips
Best zip in Rialto scores higher than 70% of U.S. zip markets.
Versus California
How Rialto compares with the state
Installed cost
$0.11/W above
state median $4.26/W
Market score
42 vs 53
California scores 53
Share of state installs
0.30%
of 2.3M tracked statewide
Battery attach
24.7%
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: 430–570 installs (midpoint 500)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±14% band. Not a forecast of permits or policy.
Growth & pricing
Rialto by year
582 installs in the trailing twelve months vs 809 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Rialto
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 1,426 | 124 | 2 | $4.28 |
| 2 | SUNNOVA ENERGY | 631 | 0 | 2 | $3.80 |
| 3 | TESLA | 471 | 8 | 2 | $5.12 |
| 4 | BRIGHT OPS | 329 | 58 | 2 | $4.41 |
| 5 | G A F ENERGY | 221 | 193 | 2 | $8.40 |
| 6 | FREEDOM FOREVER | 213 | 12 | 2 | $4.35 |
| 7 | SUNGEVITY | 176 | 0 | 2 | $4.09 |
| 8 | COMPLETE SOLAR | 166 | 0 | 2 | $4.03 |
| 9 | SUNPOWER | 151 | 2 | 2 | $4.45 |
| 10 | ESP CONTRACTING | 149 | 0 | 2 | $4.26 |
| 11 | V3 ELECTRIC | 105 | 20 | 2 | $4.22 |
| 12 | SUNCREST SOLAR | 102 | 0 | 2 | — |
| 13 | ABUNDANT ENERGY CONSTRUCTION | 97 | 0 | 2 | $4.94 |
| 14 | BETTER EARTH | 80 | 0 | 2 | $5.70 |
| 15 | SOLCIUS | 75 | 0 | 2 | $4.84 |
| 16 | SEMPER SOLARIS | 66 | 2 | 2 | $4.82 |
| 17 | SOLARMAX | 65 | 0 | 2 | $3.48 |
| 18 | SUNNOVA ENERGY CORPORATION | 53 | 5 | 1 | $5.48 |
| 19 | CURRENT HOME SOLAR | 53 | 0 | 2 | $5.36 |
| 20 | VERENGO | 53 | 0 | 2 | $4.41 |
| 21 | SUNERGY CONSTRUCTION | 50 | 0 | 2 | $3.99 |
| 22 | TITANIUM SOLAR | 44 | 0 | 2 | $7.14 |
| 23 | POWUR | 40 | 0 | 2 | $5.38 |
| 24 | BRIGHT PLANET SOLAR | 38 | 0 | 2 | $4.01 |
| 25 | TITAN SOLAR | 36 | 0 | 2 | $5.45 |