Counts from public records, not a review or rating. I have no partnership with Greenspire; the name is as the utility recorded it.
Greenspire at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 1,594 |
| Years in records | 2017–2023 |
| Latest record | 12/2023 |
| States | California, Arizona, New Jersey |
| Top cities | Moreno Valley, San Bernardino, Palmdale, Fontana, Hemet |
| Typical system | 5.8 kW |
| Main panel brand | Qcells North America |
| Main inverter brand | Enphase Energy Inc. |
| With a battery | 1% |
| Leased or PPA | 64% |
Records: LBNL Tracking the Sun.
Greenspire systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 1,583 | 2017 | 2023-12 |
| Arizona | 9 | 2023 | 2023-12 |
| New Jersey | 2 | 2023 | 2023-09 |
Systems by year
Where Greenspire installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| Moreno Valley | 134 | 8% |
| San Bernardino | 84 | 5% |
| Palmdale | 70 | 4% |
| Fontana | 59 | 4% |
| Hemet | 59 | 4% |
| San Diego | 54 | 3% |
| Simi Valley | 46 | 3% |
| Corona | 45 | 3% |
| Pomona | 40 | 3% |
| Canyon Country | 34 | 2% |
| Lancaster | 31 | 2% |
| San Jacinto | 30 | 2% |
Arizona
| City | Systems | Share of company's AZ systems |
|---|---|---|
| Chino Valley | 4 | 44% |
| Prescott Valley | 3 | 33% |
| Chandler | 1 | 11% |
| Casa Grande | 1 | 11% |
New Jersey
| City | Systems | Share of company's NJ systems |
|---|---|---|
| Gloucester Township | 1 | 50% |
| Marlton | 1 | 50% |
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 (45%), CSI Solar Co., Ltd. (36%), LONGi Green Energy Technology Co., Ltd. (10%), Silfab Solar Inc. (5%), HYUNDAI ENERGY SOLUTIONS CO., LTD. (2%)
- Inverters: Enphase Energy Inc. (51%), SolarEdge Technologies Ltd. (49%), Huawei Technologies Co., Ltd. (0%), Tesla Inc. (0%)
- Leases and PPAs: 64% 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.
- License. Look the company up with the Arizona Registrar of Contractors 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
Swell Contractors (1,665), Sunlight Solar (1,662), Orange County Contracting Services (1,645), Magic Sun Solar (1,600), Elite Electric (1,586), Solar Savings Direct (1,576), Jeff Periera Home Energy (1,566), Altair Solar (1,558).