Counts from public records, not a review or rating. I have no partnership with Diablo Solar Services; the name is as the utility recorded it.
Diablo Solar Services at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 1,841 |
| Years in records | 2002–2023 |
| Latest record | 12/2023 |
| States | California |
| Top cities | Walnut Creek, Danville, Lafayette, Alamo, Martinez |
| Typical system | 6.8 kW |
| Main panel brand | SANYO ELECTRIC CO LTD OF PANASONIC GROUP |
| Main inverter brand | SolarEdge Technologies Ltd. |
| With a battery | 2% |
| Leased or PPA | 2% |
Records: LBNL Tracking the Sun.
Diablo Solar Services systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 1,841 | 2002 | 2023-12 |
Systems by year
Where Diablo Solar Services installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| Walnut Creek | 202 | 11% |
| Danville | 129 | 7% |
| Lafayette | 111 | 6% |
| Alamo | 105 | 6% |
| Martinez | 103 | 6% |
| Concord | 103 | 6% |
| Pleasanton | 93 | 5% |
| Brentwood | 81 | 4% |
| Livermore | 81 | 4% |
| San Ramon | 68 | 4% |
| Orinda | 66 | 4% |
| Moraga | 59 | 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: SANYO ELECTRIC CO LTD OF PANASONIC GROUP (30%), SunPower (15%), Suniva (15%), Silfab Solar Inc. (9%), Panasonic Corporation of North America (8%)
- Inverters: SolarEdge Technologies Ltd. (57%), Enphase Energy Inc. (18%), SunPower (14%), SMA America (6%), ABB (0%)
- Leases and PPAs: 2% of its systems with known ownership were leased or under a power purchase agreement.
- Batteries: 2% 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
Sun First (1,966), C S S Construction (1,965), Acro Energy (1,900), Divine Power Usa (1,880), New Power (1,838), Syntrol Dba Unisun (1,829), Quick Systems (1,821), Sierra Pacific Home Comfort (1,816).