Jamestown, CA solar installation & market data
Updated April 22, 2026 By The SolarDNA Data Team
Jamestown has 614 solar installations across 1 zip code at a median installed cost of $4.07/W, installations down 5.5% over the trailing twelve months, and an installs-weighted Market Score of 41.
Active installations
614
Zip markets
1
Median cost
$4.07/W
12-mo growth
▼ 5.5%
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Jamestown scores higher than 38% of U.S. zip markets.
Versus California
How Jamestown compares with the state
Installed cost
$0.20/W below
state median $4.26/W
Market score
41 vs 53
California scores 53
Share of state installs
0.03%
of 2.3M tracked statewide
Battery attach
13.7%
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
Next-12-month outlook: 46–56 installs (midpoint 51)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±10% band. Not a forecast of permits or policy.
Growth & pricing
Jamestown by year
52 installs in the trailing twelve months vs 55 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Jamestown
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 70 | 14 | 1 | $4.10 |
| 2 | CLEAR SOLAR | 64 | 0 | 1 | $4.24 |
| 3 | SOLARWORX | 51 | 2 | 1 | $3.50 |
| 4 | V3 ELECTRIC | 42 | 1 | 1 | $4.54 |
| 5 | TESLA | 28 | 2 | 1 | $5.12 |
| 6 | MATSON SERVICES | 22 | 0 | 1 | $2.56 |
| 7 | ALTERNATIVE POWER SOLUTIONS | 19 | 0 | 1 | $3.28 |
| 8 | ROOFXPERTS | 17 | 8 | 1 | $6.12 |
| 9 | SIG SOLAR | 17 | 0 | 1 | $4.14 |
| 10 | RADIUS ENERGY | 15 | 0 | 1 | $5.19 |
| 11 | ACRO ENERGY | 13 | 0 | 1 | $7.50 |
| 12 | FREEDOM FOREVER | 13 | 0 | 1 | $5.05 |
Zip markets
Zips in Jamestown
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95327 | 614 | $4.07 | 41 C |