Hayward, CA 94545 solar market data
Updated April 7, 2026 By The SolarDNA Data Team
Hayward 94545 has 1,650 solar installations at a median installed cost of $4.50/W, installations down 11.0% over the trailing twelve months, and a Market Score of 43 — higher than 55% of U.S. zip markets.
Versus California
How 94545 compares with the state
Installed cost
$0.23/W above
state median $4.26/W
Market score
43 vs 53
California scores 53
Share of state installs
0.07%
of 2.3M tracked statewide
Battery attach
11.6%
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
Next-12-month outlook: 110–134 installs (midpoint 122)
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
94545 by year
129 installs in the trailing twelve months vs 145 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94545
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 340 | 26 | 5.93 | $4.26 |
| 2 | TESLA | 338 | 10 | 6.97 | $5.12 |
| 3 | SUNPOWER | 132 | 0 | 8.29 | $4.50 |
| 4 | BRIGHT OPS | 61 | 16 | 4.53 | $5.55 |
| 5 | CITADEL ROOFING SOLAR | 43 | 0 | 2.22 | $3.56 |
| 6 | FREEDOM FOREVER | 38 | 9 | 5.46 | $5.12 |
| 7 | SEMPER SOLARIS | 32 | 5 | 5.32 | $4.80 |
| 8 | BETTER EARTH | 31 | 0 | 5.54 | $5.08 |
| 9 | CITADEL ROOFING AND SOLAR | 29 | 12 | 6.54 | $2.65 |
| 10 | WEST COAST SOLAR | 20 | 0 | 2.7 | $3.13 |
| 11 | NRG CLEAN ENERGY | 18 | 0 | 7.65 | $3.71 |
| 12 | AMERICAN ARRAY SOLAR | 17 | 0 | 4.97 | $3.88 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94544 Hayward | 2.7 km | 3,341 | $4.25 | 46 |
| 94541 Hayward | 4.6 km | 1,929 | $4.64 | 47 |
| 94542 Hayward | 5.2 km | 1,520 | $4.38 | 42 |
| 94580 San Lorenzo | 5.8 km | 929 | $4.73 | 36 |
| 94587 Union City | 6.4 km | 3,106 | $4.34 | 53 |
| 94546 Castro Valley | 7.8 km | 2,887 | $4.54 | 56 |
Same city
Other zips in Hayward
Equipment
What gets installed in 94545
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA20.3%
SUNPOWER10.5%
REC SOLAR7.2%
JA SOLAR6.6%
CSI SOLAR6.1%
Inverters
SOLAREDGE32.3%
ENPHASE ENERGY29.6%
TESLA9.4%
SUNPOWER7.8%
ABB5.3%
Frequently asked
Quick answers about 94545
How many solar installations are there in 94545?
SolarDNA counts 1,650 active solar installations in Hayward 94545, 1,552 of them residential, with data through April 7, 2026.
How much does solar cost in 94545?
The median residential system in 94545 cost $4.50 per watt over the trailing twelve months, $0.23/W above the California median.
Is solar growing in 94545?
Installations in 94545 are down 11.0%: 129 in the trailing twelve months versus 145 before.
Who installs solar in 94545?
SUNRUN, TESLA, SUNPOWER lead the 206 installers with systems in 94545. The full comp set is above.
Is 94545 a good market for solar sales?
94545 scores 43 out of 100 (Good, higher than 55% of U.S. zip markets).