Yountville, CA 94599 solar market data
Updated May 27, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Yountville 94599 has 154 solar installations at a median installed cost of $4.40/W, recent growth not yet measurable, and a Market Score of 38 — higher than 27% of U.S. zip markets.
Versus California
How 94599 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
94599 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 94599
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 13 | 4 | 8.43 | $5.90 |
| 2 | TESLA | 10 | 0 | 10.9 | $3.87 |
| 3 | NORTHERN PACIFIC POWER | 9 | 0 | 6.61 | $4.12 |
| 4 | NAPA ELECTRIC SHOP | 8 | 1 | 16.44 | $7.81 |
| 5 | AMBROSE SOLAR | 8 | 0 | 7.61 | $4.26 |
| 6 | GREEN STOCK SOLAR | 6 | 1 | 8.55 | $3.60 |
| 7 | RGS ENERGY | 4 | 0 | 24.42 | $7.95 |
| 8 | CITADEL ROOFING AND SOLAR | 3 | 1 | 6.54 | $2.31 |
| 9 | POWUR | 3 | 0 | 6.84 | $5.66 |
| 10 | SUNPOWER | 3 | 0 | 7.45 | $6.14 |
| 11 | B P I | 2 | 2 | 33.73 | $3.16 |
| 12 | PURE POWER SOLUTIONS | 2 | 2 | 7.26 | $5.36 |
Equipment
What gets installed in 94599
Share of systems with a recorded brand
Modules
SUNPOWER13.0%
CSI SOLAR9.3%
ENPHASE ENERGY7.9%
LG ELECTRONICS7.9%
QCELLS NORTH AMERICA7.9%
Inverters
ENPHASE ENERGY35.3%
SOLAREDGE22.1%
SMA AMERICA11.0%
SUNPOWER6.6%
TESLA5.1%
Frequently asked
Quick answers about 94599
How many solar installations are there in 94599?
SolarDNA counts 154 active solar installations in Yountville 94599, 120 of them residential, with data through May 27, 2026.
How much does solar cost in 94599?
The median residential system in 94599 cost $4.40 per watt over the trailing twelve months, $0.13/W above the California median.
Is solar growing in 94599?
Recent growth cannot be measured yet for 94599: too few recent installs (data runs through May 27, 2026).
Who installs solar in 94599?
SUNRUN, TESLA, NORTHERN PACIFIC POWER lead the 82 installers with systems in 94599. The full comp set is above.
Is 94599 a good market for solar sales?
94599 scores 38 out of 100 (Fair, higher than 27% of U.S. zip markets). With under 500 installations the score is provisional.