Arroyo Grande, CA 93421 solar market data
Updated August 21, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Arroyo Grande 93421 has 3 solar installations at a median installed cost of $3.75/W, recent growth not yet measurable, and a Market Score of 41 — higher than 37% of U.S. zip markets.
Versus California
How 93421 compares with the state
Installed cost
$0.52/W below
state median $4.26/W
Market score
41 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
0.0%
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
93421 by year
2 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 93421
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | CIENAGA SOLAR | 1 | 0 | 2.97 | $5.15 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|
Same city
Other zips in Arroyo Grande
Equipment
What gets installed in 93421
Share of systems with a recorded brand
Modules
AXITEC33.3%
SILFAB SOLAR33.3%
THAISUN GREEN ENERGY33.3%
Inverters
SOLAREDGE66.7%
TESLA33.3%
Frequently asked
Quick answers about 93421
How many solar installations are there in 93421?
SolarDNA counts 3 active solar installations in Arroyo Grande 93421, 3 of them residential, with data through August 21, 2025.
How much does solar cost in 93421?
The median residential system in 93421 cost $3.75 per watt over the trailing twelve months, $0.52/W below the California median.
Is solar growing in 93421?
Recent growth cannot be measured yet for 93421: too few recent installs (data runs through August 21, 2025).
Who installs solar in 93421?
CIENAGA SOLAR lead the 1 installers with systems in 93421. The full comp set is above.
Is 93421 a good market for solar sales?
93421 scores 41 out of 100 (Good, higher than 37% of U.S. zip markets). With under 500 installations the score is provisional.