Bethel Island, CA solar installation & market data
Updated April 6, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Bethel Island has 450 solar installations across 1 zip code at a median installed cost of $3.52/W, installations down 36.7% over the trailing twelve months, and an installs-weighted Market Score of 35.
Active installations
450
Zip markets
1
Median cost
$3.52/W
12-mo growth
▼ 36.7%
Installers active
12
City Market Score
Fair · installs-weighted across 1 zips
Best zip in Bethel Island scores higher than 13% of U.S. zip markets.
Versus California
How Bethel Island compares with the state
Installed cost
$0.74/W below
state median $4.26/W
Market score
35 vs 53
California scores 53
Share of state installs
0.02%
of 2.3M tracked statewide
Battery attach
5.1%
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
Next-12-month outlook: 45–61 installs (midpoint 53)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
Bethel Island by year
62 installs in the trailing twelve months vs 98 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Bethel Island
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 115 | 1 | 1 | $3.53 |
| 2 | CITADEL ROOFING AND SOLAR | 110 | 7 | 1 | $2.85 |
| 3 | WEST COAST SOLAR | 52 | 10 | 1 | $3.38 |
| 4 | BRIGHT OPS | 29 | 1 | 1 | $5.65 |
| 5 | SUNPOWER | 23 | 0 | 1 | $4.25 |
| 6 | V3 ELECTRIC | 22 | 0 | 1 | $3.94 |
| 7 | TESLA | 13 | 1 | 1 | $5.12 |
| 8 | DEL SOL ENERGY | 5 | 0 | 1 | $3.38 |
| 9 | FREEDOM FOREVER | 4 | 0 | 1 | $6.59 |
| 10 | PETERSENDEAN | 4 | 0 | 1 | $4.17 |
| 11 | ELEMENT POWER SYSTEMS | 3 | 0 | 1 | $4.28 |
| 12 | HOOKED ON SOLAR | 3 | 0 | 1 | $4.10 |
Zip markets
Zips in Bethel Island
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 94511 | 450 | $3.52 | 35 D |