Walnut Creek, CA 94595 solar market data
Updated April 10, 2026 By The SolarDNA Data Team
Walnut Creek 94595 has 1,125 solar installations at a median installed cost of $4.27/W, installations up 10.7% over the trailing twelve months, and a Market Score of 47 — higher than 75% of U.S. zip markets.
Versus California
How 94595 compares with the state
Installed cost
$0.01/W above
state median $4.26/W
Market score
47 vs 53
California scores 53
Share of state installs
0.05%
of 2.3M tracked statewide
Battery attach
8.5%
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: 59–72 installs (midpoint 65)
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
94595 by year
62 installs in the trailing twelve months vs 56 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94595
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 130 | 7 | 7.22 | $5.12 |
| 2 | YOUR ENERGY SOLUTIONS | 126 | 3 | 5.36 | $4.47 |
| 3 | SUNRUN | 72 | 8 | 7.18 | $4.15 |
| 4 | ROCKIN ROOFERS | 52 | 0 | 5.27 | $3.96 |
| 5 | SOLAR TECHNOLOGIES | 44 | 7 | 22.32 | $4.43 |
| 6 | DIABLO SOLAR SERVICES | 44 | 4 | 6.5 | $4.62 |
| 7 | SUNPOWER | 38 | 0 | 7.42 | $4.48 |
| 8 | QUICK SYSTEMS | 23 | 0 | 5.97 | $3.75 |
| 9 | ALL ELECTRIC SOLAR | 22 | 0 | 4.66 | $4.30 |
| 10 | ESP CONTRACTING | 21 | 0 | 4.89 | $3.76 |
| 11 | SEMPER SOLARIS | 20 | 1 | 5.89 | $3.90 |
| 12 | KOTA CONSTRUCTION | 19 | 0 | 7.09 | $5.01 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94596 Walnut Creek | 3.6 km | 1,320 | $4.23 | 47 |
| 94549 Lafayette | 4.3 km | 3,232 | $4.31 | 51 |
| 94597 Walnut Creek | 4.8 km | 1,222 | $4.10 | 46 |
| 94507 Alamo | 4.8 km | 2,117 | $4.22 | 57 |
| 94556 Moraga | 5.9 km | 1,469 | $4.48 | 50 |
| 94598 Walnut Creek | 6.3 km | 2,819 | $4.29 | 50 |
Same city
Other zips in Walnut Creek
Equipment
What gets installed in 94595
Share of systems with a recorded brand
Modules
SUNPOWER20.3%
QCELLS NORTH AMERICA10.7%
LG ELECTRONICS7.5%
SILFAB SOLAR6.3%
CSI SOLAR4.6%
Inverters
ENPHASE ENERGY38.0%
SOLAREDGE28.6%
SUNPOWER10.8%
TESLA6.8%
SMA AMERICA4.5%
Frequently asked
Quick answers about 94595
How many solar installations are there in 94595?
SolarDNA counts 1,125 active solar installations in Walnut Creek 94595, 1,117 of them residential, with data through April 10, 2026.
How much does solar cost in 94595?
The median residential system in 94595 cost $4.27 per watt over the trailing twelve months, $0.01/W above the California median.
Is solar growing in 94595?
Installations in 94595 are up 10.7%: 62 in the trailing twelve months versus 56 before.
Who installs solar in 94595?
TESLA, YOUR ENERGY SOLUTIONS, SUNRUN lead the 198 installers with systems in 94595. The full comp set is above.
Is 94595 a good market for solar sales?
94595 scores 47 out of 100 (Great, higher than 75% of U.S. zip markets).