Walnut Grove, CA solar installation & market data
Updated March 26, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Walnut Grove has 128 solar installations across 1 zip code at a median installed cost of $4.33/W, recent growth not yet measurable, and an installs-weighted Market Score of 39.
Active installations
128
Zip markets
1
Median cost
$4.33/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Walnut Grove scores higher than 30% of U.S. zip markets.
Versus California
How Walnut Grove compares with the state
Installed cost
$0.06/W above
state median $4.26/W
Market score
39 vs 53
California scores 53
Share of state installs
0.01%
of 2.3M tracked statewide
Battery attach
14.1%
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
Walnut Grove by year
9 installs in the trailing twelve months vs 14 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Walnut Grove
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 27 | 3 | 1 | $4.44 |
| 2 | TESLA | 10 | 0 | 1 | $5.12 |
| 3 | V3 ELECTRIC | 6 | 0 | 1 | $5.17 |
| 4 | FUTURE ENERGY SAVERS | 5 | 0 | 1 | $6.59 |
| 5 | INFINITY ENERGY | 5 | 0 | 1 | $3.75 |
| 6 | SUNRISE SOLAR | 4 | 1 | 1 | $3.89 |
| 7 | SIERRA PACIFIC HOME AND COMFORT | 4 | 0 | 1 | $3.83 |
| 8 | SUNWORKS | 4 | 0 | 1 | $2.39 |
| 9 | THE SOLAR COMPANY | 4 | 0 | 1 | $6.31 |
| 10 | FREEDOM FOREVER | 3 | 0 | 1 | $3.18 |
| 11 | VALLEY SOLAR AND WATER | 3 | 0 | 1 | $4.49 |
| 12 | NEWGEN ENERGY | 2 | 1 | 1 | $2.34 |
Zip markets
Zips in Walnut Grove
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95690 | 128 | $4.33 | 39 D |