Rail Road Flat, CA solar installation & market data
Updated February 19, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Rail Road Flat has 62 solar installations across 1 zip code at a median installed cost of $4.78/W, recent growth not yet measurable, and an installs-weighted Market Score of 36.
Active installations
62
Zip markets
1
Median cost
$4.78/W
12-mo growth
—
Installers active
12
City Market Score
Fair · installs-weighted across 1 zips
Best zip in Rail Road Flat scores higher than 16% of U.S. zip markets.
Versus California
How Rail Road Flat compares with the state
Installed cost
$0.51/W above
state median $4.26/W
Market score
36 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
16.1%
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
Rail Road Flat by year
5 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 Rail Road Flat
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 6 | 1 | 1 | $4.04 |
| 2 | FREEDOM ENERGY | 4 | 0 | 1 | $3.09 |
| 3 | SUNNYCAL SOLAR | 4 | 0 | 1 | $4.81 |
| 4 | DOLLENS ELECTRIC | 3 | 0 | 1 | $7.93 |
| 5 | TESLA | 3 | 0 | 1 | $5.32 |
| 6 | FIVE STAR SOLAR | 2 | 1 | 1 | $4.62 |
| 7 | I LOVE MY SOLAR | 2 | 1 | 1 | $4.49 |
| 8 | ADVANCED SOLAR TECHNOLOGY | 2 | 0 | 1 | $7.79 |
| 9 | SOL SIERRA | 2 | 0 | 1 | $4.68 |
| 10 | SWELL CONTRACTORS | 2 | 0 | 1 | $8.29 |
| 11 | NORTH VALLEY | 1 | 1 | 1 | — |
| 12 | A2Z ENERGY | 1 | 0 | 1 | — |
Zip markets
Zips in Rail Road Flat
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95248 | 62 | $4.78 | 36 D |