Williams, CA 95987 solar market data
Updated April 24, 2026 By The SolarDNA Data Team
Williams 95987 has 718 solar installations at a median installed cost of $4.37/W, recent growth not yet measurable, and a Market Score of 41 — higher than 45% of U.S. zip markets.
Versus California
How 95987 compares with the state
Installed cost
$0.11/W above
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
5.4%
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
Growth & pricing
95987 by year
38 installs in the trailing twelve months vs 41 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 95987
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 140 | 16 | 8.66 | $4.45 |
| 2 | TESLA | 65 | 0 | 6.73 | $5.12 |
| 3 | NORTH STATE SOLAR | 42 | 0 | 14.59 | $3.77 |
| 4 | INTITEK SYSTEMS | 41 | 0 | 5.33 | $7.29 |
| 5 | PREMIER SOLAR SOLUTIONS | 41 | 0 | 5.6 | $3.19 |
| 6 | FREEDOM FOREVER | 29 | 1 | 7.35 | $3.69 |
| 7 | SUNWORKS | 23 | 0 | 38.31 | $2.65 |
| 8 | OHM SOLAR SOLUTIONS | 17 | 1 | 6.22 | $5.06 |
| 9 | BRIGHT OPS | 15 | 0 | 6.88 | $4.68 |
| 10 | REVOLVE SOLAR | 14 | 0 | 4.16 | $4.33 |
| 11 | NORTH STATE ENERGY SOLAR | 13 | 0 | 14.04 | $3.22 |
| 12 | CHICO ELECTRIC | 12 | 2 | 40.35 | $3.05 |
Equipment
What gets installed in 95987
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA19.3%
JINKO SOLAR9.4%
REC SOLAR8.7%
LG ELECTRONICS7.4%
CSI SOLAR6.5%
Inverters
ENPHASE ENERGY40.0%
SOLAREDGE21.3%
SMA AMERICA11.5%
FRONIUS USA7.9%
ABB3.8%
Frequently asked
Quick answers about 95987
How many solar installations are there in 95987?
SolarDNA counts 718 active solar installations in Williams 95987, 584 of them residential, with data through April 24, 2026.
How much does solar cost in 95987?
The median residential system in 95987 cost $4.37 per watt over the trailing twelve months, $0.11/W above the California median.
Is solar growing in 95987?
Recent growth cannot be measured yet for 95987: too few recent installs (data runs through April 24, 2026).
Who installs solar in 95987?
SUNRUN, TESLA, NORTH STATE SOLAR lead the 125 installers with systems in 95987. The full comp set is above.
Is 95987 a good market for solar sales?
95987 scores 41 out of 100 (Good, higher than 45% of U.S. zip markets).