Rio Oso, CA solar installation & market data
Updated May 13, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Rio Oso has 91 solar installations across 1 zip code at a median installed cost of $4.01/W, recent growth not yet measurable, and an installs-weighted Market Score of 40.
Active installations
91
Zip markets
1
Median cost
$4.01/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Rio Oso scores higher than 35% of U.S. zip markets.
Versus California
How Rio Oso compares with the state
Installed cost
$0.26/W below
state median $4.26/W
Market score
40 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
3.3%
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
Rio Oso by year
3 installs in the trailing twelve months vs 7 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Rio Oso
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNWORKS | 14 | 0 | 1 | $3.87 |
| 2 | TESLA | 6 | 0 | 1 | $5.12 |
| 3 | CHICO ELECTRIC | 3 | 0 | 1 | $2.61 |
| 4 | INFINITY ENERGY | 3 | 0 | 1 | $5.26 |
| 5 | ROSEVILLE SOLAR ELECTRIC | 3 | 0 | 1 | $7.24 |
| 6 | WESTHAVEN SOLAR | 3 | 0 | 1 | $4.82 |
| 7 | BROWER MECHANICAL | 2 | 0 | 1 | $4.38 |
| 8 | CALIFORNIA SOLAR ELECTRIC | 2 | 0 | 1 | $7.03 |
| 9 | JASON CHAMBERS ELECTRIC | 2 | 0 | 1 | — |
| 10 | JIM HAMMOND ELECTRIC | 2 | 0 | 1 | $3.63 |
| 11 | NORTH STATE ENERGY SOLAR | 2 | 0 | 1 | $2.04 |
| 12 | ORIGIN SOLAR USA | 2 | 0 | 1 | $4.27 |
Zip markets
Zips in Rio Oso
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95674 | 91 | $4.01 | 40 C |