Yountville, CA solar installation & market data
Updated May 27, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Yountville has 154 solar installations across 1 zip code at a median installed cost of $4.40/W, recent growth not yet measurable, and an installs-weighted Market Score of 38.
Active installations
154
Zip markets
1
Median cost
$4.40/W
12-mo growth
—
Installers active
12
City Market Score
Fair · installs-weighted across 1 zips
Best zip in Yountville scores higher than 27% of U.S. zip markets.
Versus California
How Yountville compares with the state
Installed cost
$0.13/W above
state median $4.26/W
Market score
38 vs 53
California scores 53
Share of state installs
0.01%
of 2.3M tracked statewide
Battery attach
10.4%
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
Yountville by year
20 installs in the trailing twelve months vs 7 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Yountville
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 13 | 4 | 1 | $5.90 |
| 2 | TESLA | 10 | 0 | 1 | $3.87 |
| 3 | NORTHERN PACIFIC POWER | 9 | 0 | 1 | $4.12 |
| 4 | NAPA ELECTRIC SHOP | 8 | 1 | 1 | $7.81 |
| 5 | AMBROSE SOLAR | 8 | 0 | 1 | $4.26 |
| 6 | GREEN STOCK SOLAR | 6 | 1 | 1 | $3.60 |
| 7 | RGS ENERGY | 4 | 0 | 1 | $7.95 |
| 8 | CITADEL ROOFING AND SOLAR | 3 | 1 | 1 | $2.31 |
| 9 | POWUR | 3 | 0 | 1 | $5.66 |
| 10 | SUNPOWER | 3 | 0 | 1 | $6.14 |
| 11 | B P I | 2 | 2 | 1 | $3.16 |
| 12 | PURE POWER SOLUTIONS | 2 | 2 | 1 | $5.36 |
Zip markets
Zips in Yountville
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 94599 | 154 | $4.40 | 38 D |