Arroyo Grande, CA 93420 solar market data
Updated April 14, 2026 By The SolarDNA Data Team
Arroyo Grande 93420 has 3,606 solar installations at a median installed cost of $4.26/W, installations down 17.3% over the trailing twelve months, and a Market Score of 44 — higher than 64% of U.S. zip markets.
Versus California
How 93420 compares with the state
Installed cost
$0.01/W below
state median $4.26/W
Market score
44 vs 53
California scores 53
Share of state installs
0.16%
of 2.3M tracked statewide
Battery attach
16.1%
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
Next-12-month outlook: 149–183 installs (midpoint 166)
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
93420 by year
182 installs in the trailing twelve months vs 220 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 93420
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 1,200 | 79 | 5.84 | $4.15 |
| 2 | TESLA | 444 | 6 | 6.27 | $5.12 |
| 3 | A M SUN SOLAR | 286 | 5 | 9.17 | $3.82 |
| 4 | SOLARPONICS | 283 | 9 | 8.74 | $4.13 |
| 5 | PHOTON BROTHERS | 146 | 16 | 8.07 | $4.52 |
| 6 | REC SOLAR COMMERCIAL | 146 | 0 | 5.48 | $6.70 |
| 7 | REC SOLAR | 52 | 0 | 7.94 | $5.77 |
| 8 | AXIOM 360 | 48 | 14 | 6.59 | $4.74 |
| 9 | WICKS SOLAR | 43 | 1 | 9.8 | $3.98 |
| 10 | CIENAGA SOLAR | 43 | 0 | 6.4 | $4.45 |
| 11 | ELECTRICRAFT | 35 | 1 | 6.04 | $3.64 |
| 12 | SLO CIRCUIT SOLAR | 34 | 0 | 7.19 | $3.62 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 93433 Grover Beach | 14.7 km | 662 | $4.64 | 40 |
| 93445 Oceano | 14.8 km | 326 | $4.42 | 39 |
| 93444 Nipomo | 15.3 km | 3,272 | $4.73 | 46 |
| 93449 Pismo Beach | 17.0 km | 667 | $4.12 | 42 |
| 93401 San Luis Obispo | 20.1 km | 3,449 | $4.25 | 53 |
| 93407 San Luis Obispo | 21.9 km | 7 | $1.85 | 48 |
Same city
Other zips in Arroyo Grande
Equipment
What gets installed in 93420
Share of systems with a recorded brand
Modules
REC SOLAR13.6%
QCELLS NORTH AMERICA12.4%
REC GROUP9.2%
LONGI GREEN ENERGY TECHNOLOGY8.9%
JA SOLAR7.3%
Inverters
SOLAREDGE31.1%
ENPHASE ENERGY19.3%
ABB8.5%
SMA AMERICA8.3%
TESLA7.6%
Frequently asked
Quick answers about 93420
How many solar installations are there in 93420?
SolarDNA counts 3,606 active solar installations in Arroyo Grande 93420, 3,545 of them residential, with data through April 14, 2026.
How much does solar cost in 93420?
The median residential system in 93420 cost $4.26 per watt over the trailing twelve months, $0.01/W below the California median.
Is solar growing in 93420?
Installations in 93420 are down 17.3%: 182 in the trailing twelve months versus 220 before.
Who installs solar in 93420?
SUNRUN, TESLA, A M SUN SOLAR lead the 220 installers with systems in 93420. The full comp set is above.
Is 93420 a good market for solar sales?
93420 scores 44 out of 100 (Good, higher than 64% of U.S. zip markets).