Ione, CA 95640 solar market data
Updated April 3, 2026 By The SolarDNA Data Team
Ione 95640 has 1,826 solar installations at a median installed cost of $3.92/W, installations down 23.8% over the trailing twelve months, and a Market Score of 43 — higher than 57% of U.S. zip markets.
Versus California
How 95640 compares with the state
Installed cost
$0.34/W below
state median $4.26/W
Market score
43 vs 53
California scores 53
Share of state installs
0.08%
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
Next-12-month outlook: 85–107 installs (midpoint 96)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±12% band. Not a forecast of permits or policy.
Growth & pricing
95640 by year
109 installs in the trailing twelve months vs 143 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 95640
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | V3 ELECTRIC | 298 | 4 | 6.69 | $3.04 |
| 2 | SUNRUN | 251 | 25 | 5.61 | $3.81 |
| 3 | CITADEL ROOFING AND SOLAR | 130 | 7 | 3.33 | $2.85 |
| 4 | SUNPOWER | 91 | 0 | 6.75 | $4.78 |
| 5 | VILLARA BUILDING SYSTEMS | 90 | 0 | 3.49 | $3.80 |
| 6 | TESLA | 83 | 2 | 7.58 | $5.12 |
| 7 | BRIGHT OPS | 70 | 7 | 5.96 | $4.22 |
| 8 | GOLD RUSH ENERGY SOLUTIONS | 48 | 0 | 7.94 | $4.02 |
| 9 | I LOVE MY SOLAR | 42 | 15 | 8.24 | $4.59 |
| 10 | FREEDOM FOREVER | 36 | 2 | 6.21 | $4.62 |
| 11 | SENGA ENERGY | 35 | 6 | 8.01 | $4.60 |
| 12 | FUTURE ENERGY SAVERS | 32 | 1 | 5.11 | $5.83 |
Equipment
What gets installed in 95640
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA28.1%
LONGI GREEN ENERGY TECHNOLOGY13.2%
SUNPOWER11.2%
LG ELECTRONICS8.3%
JA SOLAR4.2%
Inverters
SOLAREDGE39.6%
ENPHASE ENERGY31.6%
SUNPOWER9.0%
TESLA3.8%
SMA AMERICA3.6%
Frequently asked
Quick answers about 95640
How many solar installations are there in 95640?
SolarDNA counts 1,826 active solar installations in Ione 95640, 1,754 of them residential, with data through April 3, 2026.
How much does solar cost in 95640?
The median residential system in 95640 cost $3.92 per watt over the trailing twelve months, $0.34/W below the California median.
Is solar growing in 95640?
Installations in 95640 are down 23.8%: 109 in the trailing twelve months versus 143 before.
Who installs solar in 95640?
V3 ELECTRIC, SUNRUN, CITADEL ROOFING AND SOLAR lead the 187 installers with systems in 95640. The full comp set is above.
Is 95640 a good market for solar sales?
95640 scores 43 out of 100 (Good, higher than 57% of U.S. zip markets).