Solar installations in Alameda County, CA
72,224 recorded installations in Alameda County, California — capacity, prices and the installers doing the work.
Dataset updated . Refreshed from LBNL's Tracking the Sun public releases.
Most active
Top installers in Alameda County
| # | Installer | Installs here |
|---|---|---|
| 1 | Tesla Energy | 14,379 |
| 2 | Sunrun | 7,815 |
| 3 | Sunpower | 5,874 |
| 4 | Petersendean | 2,060 |
| 5 | Your Energy Solutions | 1,741 |
| 6 | Sungevity Development | 1,570 |
| 7 | Semper Solaris | 1,462 |
| 8 | Better Earth Electric | 1,161 |
| 9 | Citadel Roofing And Solar | 1,014 |
| 10 | Infinity Energy | 978 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Alameda County?
The Tracking the Sun dataset records 72,224 solar installations in Alameda County, California (547.1 MW of capacity). Dataset coverage depends on California's reporting programs, so the true total is higher.
How much does solar cost in Alameda County?
The median installed price for recorded systems in Alameda County is $4.31/W pre-incentive; the median system runs 4.9 kW.
Who installs solar in Alameda County?
The most active recorded installers in Alameda County are Tesla Energy, 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. See methodology.