Porterville, CA solar installation & market data
Updated May 5, 2026 By The SolarDNA Data Team
Porterville has 6,053 solar installations across 2 zip codes at a median installed cost of $4.31/W, installations up 19.3% over the trailing twelve months, and an installs-weighted Market Score of 53.
Active installations
6,053
Zip markets
2
Median cost
$4.31/W
12-mo growth
▲ 19.3%
Installers active
338
City Market Score
Excellent · installs-weighted across 2 zips
Best zip in Porterville scores higher than 96% of U.S. zip markets.
Versus California
How Porterville compares with the state
Installed cost
$0.04/W above
state median $4.26/W
Market score
53 vs 53
California scores 53
Share of state installs
0.27%
of 2.3M tracked statewide
Battery attach
17.1%
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
Next-12-month outlook: 645–789 installs (midpoint 717)
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
Porterville by year
654 installs in the trailing twelve months vs 548 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Porterville
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 1,128 | 131 | 1 | $4.07 |
| 2 | TESLA | 627 | 3 | 1 | $5.12 |
| 3 | SUNPOWER | 245 | 0 | 1 | $4.25 |
| 4 | FREEDOM FOREVER | 212 | 35 | 1 | $4.12 |
| 5 | BRIGHT OPS | 209 | 53 | 1 | $4.81 |
| 6 | BRIGHT HOUSE ENERGY | 182 | 0 | 1 | $2.82 |
| 7 | LIFESTYLE SOLAR | 180 | 121 | 1 | $3.21 |
| 8 | ESP CONTRACTING | 132 | 0 | 1 | $3.82 |
| 9 | SOLGEN CONSTRUCTION | 115 | 0 | 2 | $5.67 |
| 10 | DIVINE POWER USA | 115 | 55 | 1 | $3.44 |
| 11 | INFINITY ENERGY | 97 | 0 | 2 | $5.32 |
| 12 | ABUNDANT ENERGY CONSTRUCTION | 85 | 0 | 1 | $3.00 |
| 13 | SUN SOLAR ENERGY SOLUTIONS | 65 | 0 | 1 | $2.83 |
| 14 | SOLAR NEGOTIATORS | 63 | 13 | 1 | $4.13 |
| 15 | 1ST LIGHT ENERGY | 61 | 0 | 1 | $4.01 |
| 16 | TITAN SOLAR | 58 | 0 | 1 | $4.86 |
| 17 | BETTER EARTH | 54 | 0 | 1 | $5.29 |
| 18 | PETERSENDEAN | 52 | 0 | 1 | $3.78 |
| 19 | COMPLETE SOLAR | 52 | 8 | 1 | $4.28 |
| 20 | EMPOWER ELECTRIC | 50 | 0 | 1 | $6.11 |
| 21 | QUALITY HOME SERVICES | 50 | 0 | 1 | $4.63 |
| 22 | ENVER SOLAR | 46 | 0 | 1 | $5.84 |
| 23 | TITANIUM SOLAR | 43 | 0 | 1 | $6.20 |
| 24 | BOB RUFFA ELECTRIC | 42 | 1 | 1 | $3.53 |
| 25 | J P ELECTRIC SERVICE | 41 | 0 | 1 | $4.91 |