Petrolia, CA 95558 solar market data
Updated December 5, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Petrolia 95558 has 18 solar installations at a median installed cost of $3.65/W, recent growth not yet measurable, and a Market Score of 41 — higher than 45% of U.S. zip markets.
Versus California
How 95558 compares with the state
Installed cost
$0.62/W below
state median $4.26/W
Market score
41 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
5.6%
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
95558 by year
3 installs in the trailing twelve months vs 2 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 95558
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | GREENWIRED | 2 | 1 | 6.38 | $4.60 |
| 2 | FREEDOM FOREVER | 2 | 0 | 5.76 | $5.18 |
| 3 | ARNOUL ELECTRIC | 1 | 1 | 7.44 | $1.07 |
| 4 | CONCEPTUAL ELECTRIC | 1 | 0 | 7.64 | $5.89 |
| 5 | CORNERSTONE CONSTRUCTION | 1 | 0 | 1.52 | $13.07 |
| 6 | LITTLE HOUSE | 1 | 0 | 32.76 | — |
| 7 | ROGER | 1 | 0 | 8.25 | $0.61 |
| 8 | SIX RIVERS SOLAR | 1 | 0 | 2.44 | $7.32 |
| 9 | SOLAR PROJECTS UNLIMITED | 1 | 0 | — | — |
| 10 | SWELL CONTRACTORS | 1 | 0 | — | — |
Equipment
What gets installed in 95558
Share of systems with a recorded brand
Modules
HANWHA Q CELLS15.4%
LG ELECTRONICS15.4%
SOLARWORLD INDUSTRIES15.4%
AU OPTRONICS7.7%
CHINA SUNERGY NANJING7.7%
Inverters
SOLAREDGE33.3%
SMA AMERICA20.0%
FRONIUS13.3%
SOL-ARK13.3%
ALTENERGY POWER SYSTEM6.7%
Frequently asked
Quick answers about 95558
How many solar installations are there in 95558?
SolarDNA counts 18 active solar installations in Petrolia 95558, 13 of them residential, with data through December 5, 2025.
How much does solar cost in 95558?
The median residential system in 95558 cost $3.65 per watt over the trailing twelve months, $0.62/W below the California median.
Is solar growing in 95558?
Recent growth cannot be measured yet for 95558: too few recent installs (data runs through December 5, 2025).
Who installs solar in 95558?
GREENWIRED, FREEDOM FOREVER, ARNOUL ELECTRIC lead the 10 installers with systems in 95558. The full comp set is above.
Is 95558 a good market for solar sales?
95558 scores 41 out of 100 (Good, higher than 45% of U.S. zip markets). With under 500 installations the score is provisional.