Counts from public records, not a review or rating. I have no partnership with West Coast Solar; the name is as the utility recorded it.
West Coast Solar at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 3,576 |
| Years in records | 2008–2023 |
| Latest record | 12/2023 |
| States | California |
| Top cities | Davis, Brentwood, Oakley, Antioch, Discovery Bay |
| Typical system | 7.0 kW |
| Main panel brand | CSI Solar Co., Ltd. |
| Main inverter brand | SolarEdge Technologies Ltd. |
| With a battery | 2% |
| Leased or PPA | 8% |
Records: LBNL Tracking the Sun.
West Coast Solar systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 3,576 | 2008 | 2023-12 |
Systems by year
Where West Coast Solar installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| Davis | 535 | 15% |
| Brentwood | 513 | 14% |
| Oakley | 178 | 5% |
| Antioch | 165 | 5% |
| Discovery Bay | 118 | 3% |
| Morgan Hill | 87 | 2% |
| Concord | 81 | 2% |
| San Jose | 79 | 2% |
| Danville | 74 | 2% |
| Livermore | 66 | 2% |
| Stockton | 66 | 2% |
| Walnut Creek | 65 | 2% |
Source: LBNL Tracking the Sun, residential systems in utility interconnection records. City as the utility recorded it. How I count.
Equipment and ownership
- Panels: CSI Solar Co., Ltd. (23%), LG Electronics Inc. (21%), REC Solar (20%), Qcells North America (14%), HYUNDAI ENERGY SOLUTIONS CO., LTD. (5%)
- Inverters: SolarEdge Technologies Ltd. (74%), Enphase Energy Inc. (16%), SMA America (2%), ABB (1%), Fronius USA (1%)
- Leases and PPAs: 8% 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
Sunergy Construction (3,830), A1 Solar Power (3,721), Sunpro Solar (3,622), Blalock Electric (3,613), Swss Electrical (3,533), California Solar Systems (3,527), Milholland Electric (3,508), Lennar Homes (3,493).