Counts from public records, not a review or rating. I have no partnership with Powerlight; the name is as the utility recorded it.
Powerlight at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 856 |
| Years in records | 2003–2015 |
| Latest record | 8/2015 |
| States | California |
| Top cities | San Ramon, Palm Desert, San Diego, Rocklin, Vacaville |
| Typical system | 2.3 kW |
| Main panel brand | SunPower |
| Main inverter brand | Xantrex Technology |
| With a battery | not on record |
| Leased or PPA | 0% |
Records: LBNL Tracking the Sun.
Powerlight systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 856 | 2003 | 2015-08 |
Systems by year
Where Powerlight installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| San Ramon | 234 | 27% |
| Palm Desert | 96 | 11% |
| San Diego | 93 | 11% |
| Rocklin | 82 | 10% |
| Vacaville | 43 | 5% |
| Bakersfield | 42 | 5% |
| Danville | 38 | 4% |
| Santa Rosa | 38 | 4% |
| Pleasanton | 31 | 4% |
| Plumas Lake | 27 | 3% |
| Live Oak | 27 | 3% |
| Victorville | 24 | 3% |
Source: LBNL Tracking the Sun, residential systems in utility interconnection records. City as the utility recorded it. How I count.
Equipment and ownership
- Panels: SunPower (93%), Kyocera Solar (2%), Sharp (1%), Panasonic (0%), Schott Solar (0%)
- Inverters: Xantrex Technology (90%), SunPower (2%), SMA America (2%), Fronius USA (0%), Sharp (0%)
- Leases and PPAs: 0% of its systems with known ownership were leased or under a power purchase agreement.
- Batteries: not on record — home batteries were rare in utility records before 2018.
Offered a lease or PPA? Read lease vs buy first.
Before you sign
- License. Look the company up with the California Contractors State License Board and check the name on the contract matches the license.
- Run the quote through the quote checker and the list in how to check a solar quote.
Companies of similar size in California records
Save A Lot Solar (863), Turn Key Construction (861), A1 Sun (860), Occidental Power (857), Infinium Solar (852), Xero Solar (844), Larsun (836), Zero Energy Contracting (836).