Counts from public records, not a review or rating. I have no partnership with Sustainable Energy Group; the name is as the utility recorded it.
Sustainable Energy Group at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 549 |
| Years in records | 2006–2023 |
| Latest record | 12/2023 |
| States | California |
| Top cities | Grass Valley, Nevada City, Penn Valley, Auburn, Colfax |
| Typical system | 7.6 kW |
| Main panel brand | SolarWorld |
| Main inverter brand | SolarEdge Technologies Ltd. |
| With a battery | 6% |
| Leased or PPA | 0% |
Records: LBNL Tracking the Sun.
Sustainable Energy Group systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 549 | 2006 | 2023-12 |
Systems by year
Where Sustainable Energy Group installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| Grass Valley | 235 | 43% |
| Nevada City | 142 | 26% |
| Penn Valley | 67 | 12% |
| Auburn | 35 | 6% |
| Colfax | 15 | 3% |
| Rough And Ready | 9 | 2% |
| Smartsville | 7 | 1% |
| Rough and Ready | 3 | 1% |
| Cameron Park | 3 | 1% |
| Rocklin | 3 | 1% |
| Granite Bay | 2 | 0% |
| Newcastle | 2 | 0% |
Source: LBNL Tracking the Sun, residential systems in utility interconnection records. City as the utility recorded it. How I count.
Equipment and ownership
- Panels: SolarWorld (26%), Qcells North America (22%), Solaria Corporation (11%), Silfab Solar Inc. (8%), REC Solar (7%)
- Inverters: SolarEdge Technologies Ltd. (72%), Enphase Energy Inc. (12%), SMA America (9%), Schneider Electric Solar Inverters USA, Inc. (1%), SunPower (0%)
- Leases and PPAs: 0% of its systems with known ownership were leased or under a power purchase agreement.
- Batteries: 6% 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
Levi Builders (557), Simply Solar Nocal (552), Suncraft Solar (551), Earth Electric (549), Infinity Electric (545), Socal Solar (545), Action Air Conditioning Heating Solar (543), Highlands Energy Services (540).