Counts from public records, not a review or rating. I have no partnership with Esp Contracting; the name is as the utility recorded it.
Esp Contracting at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 14,706 |
| Years in records | 2015–2023 |
| Latest record | 12/2023 |
| States | California |
| Top cities | San Diego, Lancaster, Palmdale, Victorville, Moreno Valley |
| Typical system | 6.2 kW |
| Main panel brand | Aptos Solar Technology LLC |
| Main inverter brand | SolarEdge Technologies Ltd. |
| With a battery | 1% |
| Leased or PPA | 23% |
Records: LBNL Tracking the Sun.
Esp Contracting systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 14,706 | 2015 | 2023-12 |
Systems by year
Where Esp Contracting installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| San Diego | 462 | 3% |
| Lancaster | 449 | 3% |
| Palmdale | 426 | 3% |
| Victorville | 365 | 2% |
| Moreno Valley | 346 | 2% |
| San Bernardino | 283 | 2% |
| Ridgecrest | 265 | 2% |
| Fontana | 255 | 2% |
| Bakersfield | 253 | 2% |
| Ontario | 234 | 2% |
| Fairfield | 212 | 1% |
| Hesperia | 211 | 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: Aptos Solar Technology LLC (38%), Qcells North America (25%), LONGi Green Energy Technology Co., Ltd. (14%), S-Energy Co., Ltd. (9%), CSI Solar Co., Ltd. (7%)
- Inverters: SolarEdge Technologies Ltd. (86%), Enphase Energy Inc. (12%), ABB (0%), SunPower (0%), SMA America (0%)
- Leases and PPAs: 23% 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
Infinity Energy (22,745), Baker Electric Solar (22,235), Horizon Solar Power (15,843), Leonard Roofing (15,470), Solcius (12,594), V3 Electric (12,382), Complete Solar (11,891), Freedom Solar (11,807).