Graton, CA solar installation & market data
Updated January 14, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Graton has 96 solar installations across 1 zip code at a median installed cost of $3.91/W, recent growth not yet measurable, and an installs-weighted Market Score of 41.
Active installations
96
Zip markets
1
Median cost
$3.91/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Graton scores higher than 37% of U.S. zip markets.
Versus California
How Graton compares with the state
Installed cost
$0.36/W below
state median $4.26/W
Market score
41 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
10.4%
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
Graton by year
7 installs in the trailing twelve months vs 5 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Graton
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | MICHAEL AND SUN SOLAR | 26 | 0 | 1 | $3.75 |
| 2 | TESLA | 10 | 0 | 1 | $4.85 |
| 3 | SOLAR WORKS | 7 | 1 | 1 | $7.12 |
| 4 | SUNRUN | 4 | 1 | 1 | $3.02 |
| 5 | FREEDOM FOREVER | 3 | 1 | 1 | $4.40 |
| 6 | SUNPOWER | 3 | 0 | 1 | $4.18 |
| 7 | MICHAEL & SUN SOLAR | 2 | 1 | 1 | $4.22 |
| 8 | ESP CONTRACTING | 2 | 0 | 1 | $4.34 |
| 9 | FIRST RESPONSE SOLAR | 2 | 0 | 1 | $2.99 |
| 10 | HARMONY FARM SUPPLY | 2 | 0 | 1 | $7.61 |
| 11 | NORTH COAST SOLAR | 2 | 0 | 1 | $3.17 |
| 12 | SPG SOLAR | 2 | 0 | 1 | $8.75 |
Zip markets
Zips in Graton
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95444 | 96 | $3.91 | 41 C |