Twin Peaks, CA 92391 solar market data
Updated March 30, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Twin Peaks 92391 has 37 solar installations at a median installed cost of $4.62/W, recent growth not yet measurable, and a Market Score of 37 — higher than 17% of U.S. zip markets.
Versus California
How 92391 compares with the state
Installed cost
$0.35/W above
state median $4.26/W
Market score
37 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
32.4%
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
92391 by year
5 installs in the trailing twelve months vs 6 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92391
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | FREEDOM FOREVER | 4 | 0 | 11.03 | $5.12 |
| 2 | SUNRUN | 3 | 2 | 6.18 | — |
| 3 | EXO ENERGY | 3 | 1 | 8.65 | $5.47 |
| 4 | TESLA | 3 | 1 | 7.2 | $3.69 |
| 5 | PETERSENDEAN | 3 | 0 | 8.74 | $3.52 |
| 6 | BRIGHT OPS | 1 | 1 | 7.79 | — |
| 7 | CALI ENERGY | 1 | 0 | 10.07 | $2.98 |
| 8 | EMPOWER HOME SOLAR | 1 | 0 | 7 | $5.34 |
| 9 | ESP CONTRACTING | 1 | 0 | 6.16 | $3.66 |
| 10 | GAF | 1 | 0 | 5.04 | $7.83 |
| 11 | GREEN DAY ELECTRIC | 1 | 0 | 4.05 | $8.71 |
| 12 | HELIO POWER | 1 | 0 | 13.98 | — |
Equipment
What gets installed in 92391
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA21.2%
CSI SOLAR12.1%
FREEDOM FOREVER PROCUREMENT12.1%
APTOS SOLAR TECHNOLOGY6.1%
LONGI GREEN ENERGY TECHNOLOGY6.1%
Inverters
ENPHASE ENERGY36.1%
SOLAREDGE36.1%
TESLA16.7%
DELTA ELECTRONICS5.6%
ABB2.8%
Frequently asked
Quick answers about 92391
How many solar installations are there in 92391?
SolarDNA counts 37 active solar installations in Twin Peaks 92391, 36 of them residential, with data through March 30, 2026.
How much does solar cost in 92391?
The median residential system in 92391 cost $4.62 per watt over the trailing twelve months, $0.35/W above the California median.
Is solar growing in 92391?
Recent growth cannot be measured yet for 92391: too few recent installs (data runs through March 30, 2026).
Who installs solar in 92391?
FREEDOM FOREVER, SUNRUN, EXO ENERGY lead the 25 installers with systems in 92391. The full comp set is above.
Is 92391 a good market for solar sales?
92391 scores 37 out of 100 (Fair, higher than 17% of U.S. zip markets). With under 500 installations the score is provisional.