Solar installations in Santa Clara County, CA
102,759 recorded installations in Santa Clara County, California — capacity, prices and the installers doing the work.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Search every recorded installation in Santa Clara County by installer, size, date and equipment.
Search sites →Independent check:Stanford's DeepSolar detected about 59,002 solar arrays here from 2018 satellite imagery — our recorded data covers roughly 174% of that. A yardstick, not dated records.
Most active
Top installers in Santa Clara County
| # | Installer | Installs here |
|---|---|---|
| 1 | Tesla | 18,841 |
| 2 | Sunrun | 14,150 |
| 3 | Sunpower | 6,055 |
| 4 | Petersendean | 3,334 |
| 5 | Clean Solar | 2,648 |
| 6 | Cobalt Power Systems | 2,261 |
| 7 | Bright Ops | 1,763 |
| 8 | Semper Solaris | 1,692 |
| 9 | Cinnamon Solar | 1,643 |
| 10 | Rgs Energy | 1,222 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Santa Clara County?
PanelCensus records 102,759 solar installations in Santa Clara County, California (1.1 GW of capacity) — about 14.8% of the county's 694,209 housing units (U.S. Census ACS). Dataset coverage depends on California's reporting programs, so the true total is higher.
How much does solar cost in Santa Clara County?
The median installed price for recorded systems in Santa Clara County is $4.41/W pre-incentive; the median system runs 5.7 kW.
Who installs solar in Santa Clara County?
The most active recorded installers in Santa Clara County are Tesla, Sunrun, Sunpower.
County assignment is derived from installation ZIP codes via the Census 2020 ZCTA↔county crosswalk (primary county by land-area overlap) — approximate at county boundaries. Market penetration = recorded installations ÷ housing units (U.S. Census Bureau ACS 5-Year, Table B25001); it undercounts where dataset coverage is partial. See methodology.