Counts from public records, not a review or rating. I have no partnership with Kingdom Solar; the name is as the utility recorded it.
Kingdom Solar at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 478 |
| Years in records | 2017–2023 |
| Latest record | 12/2023 |
| States | California |
| Top cities | Oakland, Berkeley, Livermore, Antioch, Danville |
| Typical system | 6.4 kW |
| Main panel brand | Qcells North America |
| Main inverter brand | Enphase Energy Inc. |
| With a battery | 3% |
| Leased or PPA | 0% |
Records: LBNL Tracking the Sun.
Kingdom Solar systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 478 | 2017 | 2023-12 |
Systems by year
Where Kingdom Solar installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| Oakland | 112 | 23% |
| Berkeley | 52 | 11% |
| Livermore | 39 | 8% |
| Antioch | 24 | 5% |
| Danville | 17 | 4% |
| San Jose | 16 | 3% |
| El Cerrito | 15 | 3% |
| San Ramon | 14 | 3% |
| Tracy | 13 | 3% |
| Walnut Creek | 12 | 3% |
| Fremont | 10 | 2% |
| Stockton | 8 | 2% |
Source: LBNL Tracking the Sun, residential systems in utility interconnection records. City as the utility recorded it. How I count.
Equipment and ownership
- Panels: Qcells North America (52%), SANYO ELECTRIC CO LTD OF PANASONIC GROUP (19%), REC Solar (6%), Enphase Energy Inc. (5%), LG Electronics Inc. (5%)
- Inverters: Enphase Energy Inc. (50%), SolarEdge Technologies Ltd. (37%), Generac Power Systems (5%), SunPower (2%), SMA America (0%)
- Leases and PPAs: 0% of its systems with known ownership were leased or under a power purchase agreement.
- Batteries: 3% 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.
- Run the quote through the quote checker and the list in how to check a solar quote.
Companies of similar size in California records
Homegrown Energy Solutions (481), Halcyon Solar Construction (480), Quality Home Renovators (480), Gaf (478), Perksolar (474), Brower Mechanical (473), Revolt Electric (471), Us Green Solar (471).