Counts from public records, not a review or rating. I have no partnership with Del Sol Energy; the name is as the utility recorded it.
Del Sol Energy at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 877 |
| Years in records | 2009–2023 |
| Latest record | 12/2023 |
| States | California |
| Top cities | Brentwood, Oakley, Antioch, Discovery Bay, Byron |
| Typical system | 7.5 kW |
| Main panel brand | LG Electronics Inc. |
| Main inverter brand | Enphase Energy Inc. |
| With a battery | 1% |
| Leased or PPA | 0% |
Records: LBNL Tracking the Sun.
Del Sol Energy systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 877 | 2009 | 2023-12 |
Systems by year
Where Del Sol Energy installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| Brentwood | 381 | 43% |
| Oakley | 108 | 12% |
| Antioch | 63 | 7% |
| Discovery Bay | 52 | 6% |
| Byron | 34 | 4% |
| Walnut Creek | 23 | 3% |
| Danville | 22 | 3% |
| Concord | 19 | 2% |
| Livermore | 13 | 1% |
| Pittsburg | 12 | 1% |
| Pleasanton | 8 | 1% |
| Martinez | 8 | 1% |
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. (36%), Qcells North America (23%), SolarWorld (14%), REC Solar (6%), Solaria Corporation (6%)
- Inverters: Enphase Energy Inc. (86%), SolarEdge Technologies Ltd. (5%), SunPower (2%), SMA America (2%), LG Electronics Inc. (0%)
- Leases and PPAs: 0% of its systems with known ownership were leased or under a power purchase agreement.
- Batteries: 1% 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
Apex Solar Ca (891), Suntegrity Solar (880), Clean Initiative (879), Rikety Ventures (878), Univercity Solar (873), Soltek Industries (872), Pacific Solar (868), Velocity Solar Power (866).