Counts from public records, not a review or rating. I have no partnership with Gaf; the name is as the utility recorded it.
Gaf at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 478 |
| Years in records | 2013–2024 |
| Latest record | 1/2024 |
| States | California, Texas, New Jersey, New York, Massachusetts |
| Top cities | San Jose, Santa Rosa, Sunnyvale, San Diego, Napa |
| Typical system | 6.5 kW |
| Main panel brand | GAF Energy LLC |
| Main inverter brand | Delta Electronics |
| With a battery | 4% |
| Leased or PPA | 0% |
Records: LBNL Tracking the Sun.
Gaf systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 450 | 2019 | 2023-12 |
| Texas | 10 | 2022 | 2023-12 |
| New Jersey | 9 | 2023 | 2023-12 |
| New York | 5 | 2023 | 2024-01 |
| Massachusetts | 4 | 2013 | 2015-08 |
Systems by year
Where Gaf installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| San Jose | 73 | 16% |
| Santa Rosa | 15 | 3% |
| Sunnyvale | 10 | 2% |
| San Diego | 9 | 2% |
| Napa | 9 | 2% |
| Novato | 9 | 2% |
| Los Altos | 9 | 2% |
| Escondido | 8 | 2% |
| San Rafael | 8 | 2% |
| Long Beach | 8 | 2% |
| Petaluma | 8 | 2% |
| Campbell | 7 | 2% |
Texas
| City | Systems | Share of company's TX systems |
|---|---|---|
| San Antonio | 2 | 20% |
New Jersey
| City | Systems | Share of company's NJ systems |
|---|---|---|
| Lawrence Twp Mer | 1 | 11% |
| Teaneck | 1 | 11% |
| North Haledon | 1 | 11% |
| Montville | 1 | 11% |
| Parsippany | 1 | 11% |
| Montclair Twp | 1 | 11% |
| Fanwood | 1 | 11% |
| Flemington | 1 | 11% |
| Medford | 1 | 11% |
New York
| City | Systems | Share of company's NY systems |
|---|---|---|
| Rochester | 1 | 20% |
| Macedon | 1 | 20% |
| Fairport | 1 | 20% |
| Pittsford | 1 | 20% |
| Hilton | 1 | 20% |
Massachusetts
| City | Systems | Share of company's MA systems |
|---|---|---|
| Brookline | 1 | 25% |
| Medford | 1 | 25% |
| Gloucester | 1 | 25% |
| Rockport | 1 | 25% |
Source: LBNL Tracking the Sun, residential systems in utility interconnection records. City as the utility recorded it. How I count.
Equipment and ownership
- Panels: GAF Energy LLC (53%), Solaria Corporation (33%), Delta Electronics (5%), Silfab Solar Inc. (3%), Alps Technology (2%)
- Inverters: Delta Electronics (51%), SolarEdge Technologies Ltd. (37%), Enphase Energy Inc. (1%), Tesla Inc. (0%)
- Leases and PPAs: 0% of its systems with known ownership were leased or under a power purchase agreement.
- Batteries: 4% 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
Cm Solar Electric (483), Homegrown Energy Solutions (481), Halcyon Solar Construction (480), Quality Home Renovators (480), Kingdom Solar (478), Perksolar (474), Brower Mechanical (473), Revolt Electric (471).