Counts from public records, not a review or rating. I have no partnership with Solar System Builders; the name is as the utility recorded it.
Solar System Builders at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 538 |
| Years in records | 2005–2023 |
| Latest record | 12/2023 |
| States | California, New Jersey |
| Top cities | San Jose, Milpitas, Fremont, San Leandro, Gilroy |
| Typical system | 7.7 kW |
| Main panel brand | LG Electronics Inc. |
| Main inverter brand | Enphase Energy Inc. |
| With a battery | 0% |
| Leased or PPA | 1% |
Records: LBNL Tracking the Sun.
Solar System Builders systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 537 | 2005 | 2023-12 |
| New Jersey | 1 | 2018 | 2018-03 |
Systems by year
Where Solar System Builders installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| San Jose | 431 | 80% |
| Milpitas | 17 | 3% |
| Fremont | 11 | 2% |
| San Leandro | 7 | 1% |
| Gilroy | 7 | 1% |
| Hayward | 5 | 1% |
| Saratoga | 5 | 1% |
| Tracy | 3 | 1% |
| Oakland | 3 | 1% |
| Morgan Hill | 3 | 1% |
| Campbell | 3 | 1% |
| Stockton | 3 | 1% |
New Jersey
| City | Systems | Share of company's NJ systems |
|---|---|---|
| Whiting | 1 | 100% |
Source: LBNL Tracking the Sun, residential systems in utility interconnection records. City as the utility recorded it. How I count.
Equipment and ownership
- Panels: LG Electronics Inc. (53%), Mitsubishi Electric (17%), Qcells North America (14%), Panasonic Corporation of North America (4%), Silfab Solar Inc. (2%)
- Inverters: Enphase Energy Inc. (49%), SolarEdge Technologies Ltd. (48%), SunPower (1%), PV Powered (1%), Fronius USA (0%)
- Leases and PPAs: 1% of its systems with known ownership were leased or under a power purchase agreement.
- Batteries: 0% of its systems had a battery on record.
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.
- License. Look the company up with the New Jersey Division of Consumer Affairs license verification 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
Action Air Conditioning Heating Solar (543), Highlands Energy Services (540), Solar Now (539), Honeys Air And Solar (538), Trinity Power (538), Sunlectric (537), Cyberdyne Construction (536), Nabu Energy (536).