Palo Alto, CA 94304 solar market data
Updated April 1, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Palo Alto 94304 has 23 solar installations at a median installed cost of $6.38/W, recent growth not yet measurable, and a Market Score of 29 — higher than 3% of U.S. zip markets.
Versus California
How 94304 compares with the state
Installed cost
$2.11/W above
state median $4.26/W
Market score
29 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
4.3%
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
Growth & pricing
94304 by year
1 installs in the trailing twelve months vs 0 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94304
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | COBALT POWER SYSTEMS | 4 | 1 | 42.89 | $6.08 |
| 2 | CUPERTINO ELECTRIC | 3 | 0 | 338.72 | $6.38 |
| 3 | PETERSENDEAN | 3 | 0 | 2.16 | $7.20 |
| 4 | TESLA | 3 | 0 | 397.9 | $8.07 |
| 5 | REC SOLAR | 2 | 0 | 167.59 | $6.98 |
| 6 | AKEENA SOLAR | 1 | 0 | 17.33 | $8.62 |
| 7 | BLUE OAK ENERGY | 1 | 0 | 76.5 | $7.25 |
| 8 | OCCIDENTAL POWER | 1 | 0 | 6.43 | — |
| 9 | RGS ENERGY | 1 | 0 | 9.16 | $5.90 |
| 10 | SLINGSHOT POWER | 1 | 0 | 22.89 | $5.00 |
| 11 | SUNLIGHT POWER | 1 | 0 | 412.16 | $4.11 |
| 12 | SUNPOWER | 1 | 0 | 154.24 | $4.93 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94025 Menlo Park | 0.7 km | 2,472 | $4.68 | 48 |
| 94305 Stanford | 2.3 km | 246 | $5.21 | 35 |
| 94027 Atherton | 2.9 km | 740 | $5.10 | 34 |
| 94301 Palo Alto | 3.3 km | 192 | $7.42 | 29 |
| 94306 Palo Alto | 5.3 km | 258 | $6.80 | 30 |
| 94061 Redwood City | 5.4 km | 1,866 | $4.58 | 52 |
Same city
Other zips in Palo Alto
Equipment
What gets installed in 94304
Share of systems with a recorded brand
Modules
SUNPOWER33.3%
LG ELECTRONICS16.7%
MAXEON SOLAR TECHNOLOGIES16.7%
TRINA SOLAR16.7%
WESTINGHOUSE SOLAR16.7%
Inverters
SMA AMERICA33.3%
ENPHASE ENERGY16.7%
SOLAREDGE16.7%
SUNPOWER16.7%
TESLA16.7%
Frequently asked
Quick answers about 94304
How many solar installations are there in 94304?
SolarDNA counts 23 active solar installations in Palo Alto 94304, 10 of them residential, with data through April 1, 2026.
How much does solar cost in 94304?
The median residential system in 94304 cost $6.38 per watt over the trailing twelve months, $2.11/W above the California median.
Is solar growing in 94304?
Recent growth cannot be measured yet for 94304: too few recent installs (data runs through April 1, 2026).
Who installs solar in 94304?
COBALT POWER SYSTEMS, CUPERTINO ELECTRIC, PETERSENDEAN lead the 13 installers with systems in 94304. The full comp set is above.
Is 94304 a good market for solar sales?
94304 scores 29 out of 100 (Weak, higher than 3% of U.S. zip markets). With under 500 installations the score is provisional.