Oakland, CA 94621 solar market data
Updated May 4, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Oakland 94621 has 449 solar installations at a median installed cost of $5.12/W, recent growth not yet measurable, and a Market Score of 37 — higher than 17% of U.S. zip markets.
Versus California
How 94621 compares with the state
Installed cost
$0.85/W above
state median $4.26/W
Market score
37 vs 53
California scores 53
Share of state installs
0.02%
of 2.3M tracked statewide
Battery attach
11.1%
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
94621 by year
39 installs in the trailing twelve months vs 43 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94621
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 53 | 6 | 4.82 | $4.36 |
| 2 | TESLA | 48 | 0 | 23.32 | $5.12 |
| 3 | BRIGHT OPS | 25 | 15 | 4.56 | $7.32 |
| 4 | FREEDOM FOREVER | 13 | 1 | 4.3 | $4.81 |
| 5 | TITAN SOLAR | 13 | 0 | 5.55 | $6.49 |
| 6 | SOLGEN ELECTRIC | 10 | 1 | 4.87 | $6.06 |
| 7 | FIDELITY HOME ENERGY | 10 | 0 | 3.88 | $6.09 |
| 8 | SUNPOWER | 10 | 0 | 29.03 | $6.88 |
| 9 | BETTER EARTH | 9 | 0 | 5.89 | $5.14 |
| 10 | SWSS ELECTRIC | 9 | 0 | 4.85 | $2.18 |
| 11 | BETTER EARTH ELECTRIC | 8 | 5 | 16.66 | $3.59 |
| 12 | SUNLIGHT POWER | 8 | 0 | 66.91 | $3.73 |
Equipment
What gets installed in 94621
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA20.6%
JA SOLAR10.2%
SUNPOWER9.5%
CSI SOLAR7.6%
REC SOLAR5.8%
Inverters
SOLAREDGE33.5%
ENPHASE ENERGY30.3%
FRONIUS USA6.1%
SMA AMERICA5.1%
TESLA4.9%
Frequently asked
Quick answers about 94621
How many solar installations are there in 94621?
SolarDNA counts 449 active solar installations in Oakland 94621, 411 of them residential, with data through May 4, 2026.
How much does solar cost in 94621?
The median residential system in 94621 cost $5.12 per watt over the trailing twelve months, $0.85/W above the California median.
Is solar growing in 94621?
Recent growth cannot be measured yet for 94621: too few recent installs (data runs through May 4, 2026).
Who installs solar in 94621?
SUNRUN, TESLA, BRIGHT OPS lead the 118 installers with systems in 94621. The full comp set is above.
Is 94621 a good market for solar sales?
94621 scores 37 out of 100 (Fair, higher than 17% of U.S. zip markets). With under 500 installations the score is provisional.