Duncans Mills, CA solar installation & market data
Updated April 25, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Duncans Mills has 5 solar installations across 1 zip code at a median installed cost of $4.14/W, recent growth not yet measurable, and an installs-weighted Market Score of 39.
Active installations
5
Zip markets
1
Median cost
$4.14/W
12-mo growth
—
Installers active
4
City Market Score
Good · installs-weighted across 1 zips
Best zip in Duncans Mills scores higher than 31% of U.S. zip markets.
Versus California
How Duncans Mills compares with the state
Installed cost
$0.13/W below
state median $4.26/W
Market score
39 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
0.0%
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
Growth & pricing
Duncans Mills by year
1 installs in the trailing twelve months vs 2 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Duncans Mills
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | J & J ELECTRIC | 1 | 0 | 1 | $4.19 |
| 2 | NORTHERN PACIFIC POWER | 1 | 0 | 1 | $5.90 |
| 3 | ROCKIN ROOFERS | 1 | 0 | 1 | $4.09 |
| 4 | THE SOLAR COMPANY | 1 | 0 | 1 | — |
Zip markets
Zips in Duncans Mills
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95430 | 5 | $4.14 | 39 C |