Counts from public records, not a review or rating. I have no partnership with Quantum Solar Designs; the name is as the utility recorded it.
Quantum Solar Designs at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 1,113 |
| Years in records | 2012–2023 |
| Latest record | 12/2023 |
| States | California |
| Top cities | Camarillo, Simi Valley, Thousand Oaks, Newbury Park, Ventura |
| Typical system | 7.0 kW |
| Main panel brand | Qcells North America |
| Main inverter brand | Enphase Energy Inc. |
| With a battery | 5% |
| Leased or PPA | 0% |
Records: LBNL Tracking the Sun.
Quantum Solar Designs systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 1,113 | 2012 | 2023-12 |
Systems by year
Where Quantum Solar Designs installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| Camarillo | 305 | 27% |
| Simi Valley | 124 | 11% |
| Thousand Oaks | 119 | 11% |
| Newbury Park | 69 | 6% |
| Ventura | 46 | 4% |
| Agoura Hills | 41 | 4% |
| Santa Barbara | 38 | 3% |
| Oak Park | 29 | 3% |
| Ojai | 27 | 2% |
| Moorpark | 26 | 2% |
| Westlake Village | 24 | 2% |
| Oxnard | 23 | 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 (83%), Aleo Solar AG (11%), SunEdison (5%), SANYO ELECTRIC CO LTD OF PANASONIC GROUP (1%), Enphase Energy Inc. (0%)
- Inverters: Enphase Energy Inc. (82%), SMA America (6%), ABB (5%), Fronius USA (2%), SolarEdge Technologies Ltd. (1%)
- Leases and PPAs: 0% of its systems with known ownership were leased or under a power purchase agreement.
- Batteries: 5% 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
All Bay Solar Construction (1,131), Solarunion (1,129), American Solar Advantage (1,122), Cinnamon Solar (1,113), Evans Energy (1,111), Pacificsky Solar (1,109), Synergy Home Improvement (1,106), Empower Home Solar (1,088).