Calistoga, CA 94515 solar market data
Updated April 29, 2026 By The SolarDNA Data Team
Calistoga 94515 has 597 solar installations at a median installed cost of $4.79/W, recent growth not yet measurable, and a Market Score of 39 — higher than 31% of U.S. zip markets.
Versus California
How 94515 compares with the state
Installed cost
$0.53/W above
state median $4.26/W
Market score
39 vs 53
California scores 53
Share of state installs
0.03%
of 2.3M tracked statewide
Battery attach
16.6%
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
94515 by year
49 installs in the trailing twelve months vs 35 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94515
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 62 | 1 | 7.14 | $5.12 |
| 2 | SUNRUN | 50 | 8 | 9.33 | $4.84 |
| 3 | NORTHERN PACIFIC POWER | 25 | 0 | 8.5 | $4.17 |
| 4 | CITADEL ROOFING AND SOLAR | 20 | 5 | 4.94 | $2.85 |
| 5 | GREEN STOCK SOLAR | 14 | 0 | 9.04 | $3.66 |
| 6 | SUN FIRST | 14 | 0 | 8.76 | $6.84 |
| 7 | SOLARCRAFT SERVICES | 13 | 0 | 30.9 | $5.20 |
| 8 | PETERSENDEAN | 11 | 0 | 7.56 | $3.88 |
| 9 | PURE POWER SOLUTIONS | 10 | 0 | 12.64 | $3.49 |
| 10 | SOLAR WORKS | 10 | 0 | 21.52 | $7.16 |
| 11 | SPG SOLAR | 10 | 0 | 31.84 | $7.39 |
| 12 | SEMPER SOLARIS | 9 | 2 | 7.75 | $5.97 |
Equipment
What gets installed in 94515
Share of systems with a recorded brand
Modules
SUNPOWER12.1%
QCELLS NORTH AMERICA11.9%
LG ELECTRONICS9.7%
SHARP7.6%
REC GROUP6.8%
Inverters
ENPHASE ENERGY32.8%
SOLAREDGE22.9%
SMA AMERICA11.0%
SUNPOWER7.8%
FRONIUS USA7.5%
Frequently asked
Quick answers about 94515
How many solar installations are there in 94515?
SolarDNA counts 597 active solar installations in Calistoga 94515, 479 of them residential, with data through April 29, 2026.
How much does solar cost in 94515?
The median residential system in 94515 cost $4.79 per watt over the trailing twelve months, $0.53/W above the California median.
Is solar growing in 94515?
Recent growth cannot be measured yet for 94515: too few recent installs (data runs through April 29, 2026).
Who installs solar in 94515?
TESLA, SUNRUN, NORTHERN PACIFIC POWER lead the 156 installers with systems in 94515. The full comp set is above.
Is 94515 a good market for solar sales?
94515 scores 39 out of 100 (Good, higher than 31% of U.S. zip markets).