Lafayette, CA 94549 solar market data
Updated April 16, 2026 By The SolarDNA Data Team
Lafayette 94549 has 3,232 solar installations at a median installed cost of $4.31/W, installations up 11.7% over the trailing twelve months, and a Market Score of 51 — higher than 92% of U.S. zip markets.
Zip Market Score
Excellent · higher than 92% of zips
Versus California
How 94549 compares with the state
Installed cost
$0.04/W above
state median $4.26/W
Market score
51 vs 53
California scores 53
Share of state installs
0.14%
of 2.3M tracked statewide
Battery attach
16.3%
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: 218–266 installs (midpoint 242)
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
94549 by year
229 installs in the trailing twelve months vs 205 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94549
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 481 | 20 | 10.3 | $4.86 |
| 2 | SUNRUN | 222 | 16 | 8.01 | $4.07 |
| 3 | SUNPOWER | 171 | 2 | 6.06 | $4.25 |
| 4 | DIABLO SOLAR SERVICES | 120 | 2 | 8.25 | $4.21 |
| 5 | SEMPER SOLARIS | 112 | 4 | 7.57 | $4.91 |
| 6 | SOLAR TECHNOLOGIES | 99 | 4 | 8.06 | $4.67 |
| 7 | SUNGEVITY | 75 | 0 | 6.58 | $4.04 |
| 8 | YOUR ENERGY SOLUTIONS | 65 | 6 | 8.29 | $3.75 |
| 9 | SKY POWER SOLAR | 63 | 0 | 9.34 | $4.30 |
| 10 | WEST COAST SOLAR | 56 | 4 | 8.71 | $3.54 |
| 11 | PETERSENDEAN | 53 | 0 | 7.17 | $3.80 |
| 12 | CITADEL ROOFING AND SOLAR | 52 | 23 | 6.95 | $2.71 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94597 Walnut Creek | 4.3 km | 1,222 | $4.10 | 46 |
| 94595 Walnut Creek | 4.3 km | 1,125 | $4.27 | 47 |
| 94596 Walnut Creek | 5.1 km | 1,320 | $4.23 | 47 |
| 94563 Orinda | 5.7 km | 2,512 | $4.53 | 55 |
| 94556 Moraga | 5.9 km | 1,469 | $4.48 | 50 |
| 94523 Pleasant Hill | 7.3 km | 2,904 | $4.33 | 54 |
Equipment
What gets installed in 94549
Share of systems with a recorded brand
Modules
SUNPOWER17.1%
QCELLS NORTH AMERICA11.6%
LG ELECTRONICS7.6%
REC GROUP5.3%
CSI SOLAR4.8%
Inverters
ENPHASE ENERGY32.0%
SOLAREDGE23.8%
SUNPOWER13.7%
SMA AMERICA8.7%
TESLA7.3%
Frequently asked
Quick answers about 94549
How many solar installations are there in 94549?
SolarDNA counts 3,232 active solar installations in Lafayette 94549, 3,209 of them residential, with data through April 16, 2026.
How much does solar cost in 94549?
The median residential system in 94549 cost $4.31 per watt over the trailing twelve months, $0.04/W above the California median.
Is solar growing in 94549?
Installations in 94549 are up 11.7%: 229 in the trailing twelve months versus 205 before.
Who installs solar in 94549?
TESLA, SUNRUN, SUNPOWER lead the 355 installers with systems in 94549. The full comp set is above.
Is 94549 a good market for solar sales?
94549 scores 51 out of 100 (Excellent, higher than 92% of U.S. zip markets).