Los Osos, CA solar installation & market data
Updated April 9, 2026 By The SolarDNA Data Team
Los Osos has 1,565 solar installations across 2 zip codes at a median installed cost of $4.47/W, installations down 12.9% over the trailing twelve months, and an installs-weighted Market Score of 41.
Active installations
1,565
Zip markets
2
Median cost
$4.47/W
12-mo growth
▼ 12.9%
Installers active
117
City Market Score
Good · installs-weighted across 2 zips
Best zip in Los Osos scores higher than 46% of U.S. zip markets.
Versus California
How Los Osos compares with the state
Installed cost
$0.20/W above
state median $4.26/W
Market score
41 vs 53
California scores 53
Share of state installs
0.07%
of 2.3M tracked statewide
Battery attach
13.5%
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
Next-12-month outlook: 74–90 installs (midpoint 82)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±10% band. Not a forecast of permits or policy.
Growth & pricing
Los Osos by year
88 installs in the trailing twelve months vs 101 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Los Osos
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 526 | 35 | 1 | $4.31 |
| 2 | TESLA | 248 | 0 | 1 | $5.12 |
| 3 | SOLARPONICS | 109 | 3 | 1 | $4.52 |
| 4 | A M SUN SOLAR | 103 | 0 | 1 | $4.01 |
| 5 | PHOTON BROTHERS | 53 | 12 | 1 | $5.21 |
| 6 | REC SOLAR COMMERCIAL | 52 | 0 | 1 | $6.88 |
| 7 | CRIZER CONSTRUCTION | 45 | 1 | 1 | $3.22 |
| 8 | TRAVIS ROBSON CONSTRUCTION | 22 | 0 | 1 | $3.84 |
| 9 | SUNGEVITY | 19 | 0 | 1 | $3.57 |
| 10 | ELECTRICRAFT | 17 | 0 | 1 | $3.81 |
| 11 | REC SOLAR | 16 | 0 | 1 | — |
| 12 | AXIOM 360 | 15 | 3 | 1 | $5.22 |
| 13 | WICKS SOLAR | 14 | 1 | 1 | $4.90 |
| 14 | SLO CIRCUIT SOLAR | 13 | 0 | 1 | $4.04 |
| 15 | SUNWORK RENEWABLE ENERGY | 12 | 0 | 1 | $2.74 |
| 16 | BRIGHT OPS | 12 | 8 | 1 | $4.90 |
| 17 | SLO CRAFT BUILDERS | 11 | 0 | 1 | $5.04 |
| 18 | CALSUN ELECTRIC SYSTEMS | 11 | 0 | 1 | $3.31 |
| 19 | SUN SOLAR ENERGY SOLUTIONS | 10 | 1 | 1 | $4.98 |
| 20 | PACIFIC ENERGY | 8 | 0 | 2 | $8.39 |
| 21 | NRG CLEAN ENERGY | 7 | 0 | 1 | $4.18 |
| 22 | ESTERO BAY SOLAR SOLUTIONS | 7 | 0 | 1 | $3.69 |
| 23 | ESP CONTRACTING | 7 | 0 | 1 | $3.54 |
| 24 | ABSOLUTE ELECTRIC AND SOLAR | 6 | 0 | 1 | $6.70 |
| 25 | ILUM ENERGY SOLUTIONS | 6 | 0 | 1 | $3.76 |