Hercules, CA solar installation & market data
Updated March 17, 2026 By The SolarDNA Data Team
Hercules has 1,731 solar installations across 1 zip code at a median installed cost of $4.57/W, installations up 40.2% over the trailing twelve months, and an installs-weighted Market Score of 56.
Active installations
1,731
Zip markets
1
Median cost
$4.57/W
12-mo growth
▲ 40.2%
Installers active
12
City Market Score
Excellent · installs-weighted across 1 zips
Best zip in Hercules scores higher than 98% of U.S. zip markets.
Versus California
How Hercules compares with the state
Installed cost
$0.31/W above
state median $4.26/W
Market score
56 vs 53
California scores 53
Share of state installs
0.08%
of 2.3M tracked statewide
Battery attach
13.2%
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: 147–199 installs (midpoint 173)
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
Hercules by year
150 installs in the trailing twelve months vs 107 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Hercules
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 339 | 7 | 1 | $5.12 |
| 2 | SUNRUN | 326 | 34 | 1 | $4.23 |
| 3 | SUNPOWER | 127 | 1 | 1 | $4.23 |
| 4 | KOTA CONSTRUCTION | 105 | 0 | 1 | $4.82 |
| 5 | FREEDOM FOREVER | 41 | 9 | 1 | $5.38 |
| 6 | LIFESTYLE SOLAR | 34 | 34 | 1 | $2.48 |
| 7 | AMBROSE SOLAR | 34 | 1 | 1 | $4.75 |
| 8 | BRIGHT OPS | 27 | 12 | 1 | $5.93 |
| 9 | PETERSENDEAN | 27 | 0 | 1 | $3.78 |
| 10 | SEMPER SOLARIS | 24 | 3 | 1 | $4.29 |
| 11 | HOOKED ON SOLAR | 20 | 0 | 1 | $4.40 |
| 12 | BETTER EARTH | 18 | 0 | 1 | $5.08 |
Zip markets
Zips in Hercules
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 94547 | 1,731 | $4.57 | 56 A |