Newcastle, CA 95658 solar market data
Updated April 20, 2026 By The SolarDNA Data Team
Newcastle 95658 has 1,217 solar installations at a median installed cost of $3.95/W, installations down 2.9% over the trailing twelve months, and a Market Score of 45 — higher than 68% of U.S. zip markets.
Versus California
How 95658 compares with the state
Installed cost
$0.31/W below
state median $4.26/W
Market score
45 vs 53
California scores 53
Share of state installs
0.05%
of 2.3M tracked statewide
Battery attach
11.8%
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: 60–74 installs (midpoint 67)
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
95658 by year
68 installs in the trailing twelve months vs 70 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 95658
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 82 | 2 | 8.51 | $5.12 |
| 2 | ENERGY SAVING PROS | 75 | 0 | 11.1 | $3.44 |
| 3 | SUNRUN | 63 | 5 | 9.1 | $4.01 |
| 4 | HOOKED ON SOLAR | 57 | 1 | 10.58 | $4.41 |
| 5 | MAGIC SUN SOLAR | 51 | 2 | 11.24 | $3.34 |
| 6 | ES ELECTRIC CONSTRUCTION | 48 | 1 | 10.45 | $3.43 |
| 7 | V3 ELECTRIC | 38 | 3 | 7.78 | $4.27 |
| 8 | SUNWORKS | 34 | 0 | 8.69 | $3.98 |
| 9 | SIERRA PACIFIC HOME AND COMFORT | 28 | 0 | 7.63 | $6.27 |
| 10 | MATSON SERVICES | 24 | 0 | 17.11 | $3.27 |
| 11 | VELOCITY SOLAR POWER | 21 | 3 | 14.57 | $4.25 |
| 12 | PETERSENDEAN | 18 | 0 | 7.8 | $3.54 |
Equipment
What gets installed in 95658
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA19.9%
SUNPOWER10.6%
CSI SOLAR6.7%
LG ELECTRONICS5.6%
REC SOLAR5.1%
Inverters
SOLAREDGE31.9%
ENPHASE ENERGY30.0%
SMA AMERICA12.7%
SUNPOWER6.3%
FRONIUS USA5.8%
Frequently asked
Quick answers about 95658
How many solar installations are there in 95658?
SolarDNA counts 1,217 active solar installations in Newcastle 95658, 1,199 of them residential, with data through April 20, 2026.
How much does solar cost in 95658?
The median residential system in 95658 cost $3.95 per watt over the trailing twelve months, $0.31/W below the California median.
Is solar growing in 95658?
Installations in 95658 are down 2.9%: 68 in the trailing twelve months versus 70 before.
Who installs solar in 95658?
TESLA, ENERGY SAVING PROS, SUNRUN lead the 231 installers with systems in 95658. The full comp set is above.
Is 95658 a good market for solar sales?
95658 scores 45 out of 100 (Good, higher than 68% of U.S. zip markets).