California, PA solar installation & market data
Updated February 24, 2025Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
California has 5 solar installations across 1 zip code at a median installed cost of $3.20/W, recent growth not yet measurable, and an installs-weighted Market Score of 47.
Active installations
5
Zip markets
1
Median cost
$3.20/W
12-mo growth
—
Installers active
1
City Market Score
Great · installs-weighted across 1 zips
Best zip in California scores higher than 76% of U.S. zip markets.
Versus Pennsylvania
How California compares with the state
Installed cost
$2.80/W below
state median $5.99/W
Market score
47 vs 50
Pennsylvania scores 50
Share of state installs
0.01%
of 88.5K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▲ 48.7%
residential solar added in Pennsylvania, 12 months through Jul 2026
Statewide market
105.3K systems
2.8% of homes · utility-reported through Jul 2026
Growth & pricing
California by year
2 installs in the trailing twelve months vs 0 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in California
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SPOTTS BROTHERS | 1 | 0 | 1 | $3.20 |
Zip markets
Zips in California
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 15419 | 5 | $3.20 | 47 B |