Forest Knolls, CA solar installation & market data
Updated December 23, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Forest Knolls has 51 solar installations across 1 zip code at a median installed cost of $4.58/W, recent growth not yet measurable, and an installs-weighted Market Score of 37.
Active installations
51
Zip markets
1
Median cost
$4.58/W
12-mo growth
—
Installers active
12
City Market Score
Fair · installs-weighted across 1 zips
Best zip in Forest Knolls scores higher than 18% of U.S. zip markets.
Versus California
How Forest Knolls compares with the state
Installed cost
$0.32/W above
state median $4.26/W
Market score
37 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
11.8%
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
Growth & pricing
Forest Knolls by year
3 installs in the trailing twelve months vs 3 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Forest Knolls
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 6 | 0 | 1 | $5.00 |
| 2 | SOLARCRAFT | 4 | 0 | 1 | $4.20 |
| 3 | SUN FIRST | 4 | 0 | 1 | $4.61 |
| 4 | SUNGEVITY | 4 | 0 | 1 | $5.96 |
| 5 | SUNRUN | 4 | 0 | 1 | $5.01 |
| 6 | EARTHWISE ENERGY SOLUTIONS | 3 | 2 | 1 | $6.92 |
| 7 | AMERICAN SOLAR DIRECT | 3 | 0 | 1 | $3.98 |
| 8 | SOLARCRAFT SERVICES | 2 | 1 | 1 | $5.47 |
| 9 | ALTER SYSTEMS | 2 | 0 | 1 | $3.87 |
| 10 | BERT BARTSCH | 2 | 0 | 1 | — |
| 11 | GOMAXXX | 2 | 0 | 1 | $2.87 |
| 12 | J J ELECTRIC | 2 | 0 | 1 | $8.16 |
Zip markets
Zips in Forest Knolls
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 94933 | 51 | $4.58 | 37 D |