Concord, CA 94521 solar market data
Updated April 9, 2026 By The SolarDNA Data Team
Concord 94521 has 3,446 solar installations at a median installed cost of $4.45/W, installations up 25.7% over the trailing twelve months, and a Market Score of 54 — higher than 97% of U.S. zip markets.
Zip Market Score
Excellent · higher than 97% of zips
Versus California
How 94521 compares with the state
Installed cost
$0.19/W above
state median $4.26/W
Market score
54 vs 53
California scores 53
Share of state installs
0.15%
of 2.3M tracked statewide
Battery attach
11.9%
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: 231–299 installs (midpoint 265)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±13% band. Not a forecast of permits or policy.
Growth & pricing
94521 by year
235 installs in the trailing twelve months vs 187 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94521
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 662 | 53 | 6.39 | $4.56 |
| 2 | TESLA | 437 | 24 | 6.53 | $5.12 |
| 3 | PETERSENDEAN | 111 | 0 | 6.5 | $3.91 |
| 4 | SUNPOWER | 111 | 0 | 25.78 | $5.00 |
| 5 | QUICK SYSTEMS | 106 | 0 | 5.83 | $3.75 |
| 6 | KOTA CONSTRUCTION | 91 | 0 | 7.1 | $4.92 |
| 7 | WEST COAST SOLAR | 85 | 2 | 7.28 | $3.75 |
| 8 | V3 ELECTRIC | 77 | 11 | 6.38 | $4.12 |
| 9 | FREEDOM FOREVER | 71 | 10 | 6.88 | $5.01 |
| 10 | SEMPER SOLARIS | 67 | 2 | 6.8 | $4.19 |
| 11 | BRIGHT OPS | 53 | 17 | 5.9 | $5.72 |
| 12 | SUNGEVITY | 50 | 0 | 5.59 | $3.76 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94527 Concord | 1.6 km | 34 | $8.46 | 29 |
| 94519 Concord | 4.4 km | 1,569 | $4.67 | 46 |
| 94518 Concord | 4.6 km | 1,953 | $4.35 | 55 |
| 94520 Concord | 6.0 km | 1,184 | $4.67 | 39 |
| 94598 Walnut Creek | 6.2 km | 2,819 | $4.29 | 50 |
| 94565 Pittsburg | 7.2 km | 6,737 | $4.56 | 47 |
Same city
Other zips in Concord
Equipment
What gets installed in 94521
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA15.2%
SUNPOWER8.7%
CSI SOLAR6.8%
JINKO SOLAR6.1%
LG ELECTRONICS5.4%
Inverters
SOLAREDGE33.2%
ENPHASE ENERGY32.4%
TESLA7.5%
SUNPOWER5.8%
SMA AMERICA4.0%
Frequently asked
Quick answers about 94521
How many solar installations are there in 94521?
SolarDNA counts 3,446 active solar installations in Concord 94521, 3,426 of them residential, with data through April 9, 2026.
How much does solar cost in 94521?
The median residential system in 94521 cost $4.45 per watt over the trailing twelve months, $0.19/W above the California median.
Is solar growing in 94521?
Installations in 94521 are up 25.7%: 235 in the trailing twelve months versus 187 before.
Who installs solar in 94521?
SUNRUN, TESLA, PETERSENDEAN lead the 348 installers with systems in 94521. The full comp set is above.
Is 94521 a good market for solar sales?
94521 scores 54 out of 100 (Excellent, higher than 97% of U.S. zip markets).