Counts from public records, not a review or rating. I have no partnership with 4th Day Energy; the name is as the utility recorded it.
4th Day Energy at a glance
| License lookup | California Contractors State License Board |
|---|---|
| Systems in records | 402 |
| Years in records | 2007–2023 |
| Latest record | 12/2023 |
| States | California |
| Top cities | Fresno, Clovis, Madera, Tollhouse, Sanger |
| Typical system | 7.7 kW |
| Main panel brand | CSI Solar Co., Ltd. |
| Main inverter brand | SolarEdge Technologies Ltd. |
| With a battery | 0% |
| Leased or PPA | 4% |
Records: LBNL Tracking the Sun.
4th Day Energy systems by state
| State | Systems | Earliest record | Latest record |
|---|---|---|---|
| California | 402 | 2007 | 2023-12 |
Systems by year
Where 4th Day Energy installs
California
| City | Systems | Share of company's CA systems |
|---|---|---|
| Fresno | 142 | 35% |
| Clovis | 100 | 25% |
| Madera | 16 | 4% |
| Tollhouse | 16 | 4% |
| Sanger | 14 | 3% |
| Auberry | 12 | 3% |
| Hanford | 10 | 2% |
| Atwater | 10 | 2% |
| Reedley | 9 | 2% |
| Visalia | 8 | 2% |
| Kingsburg | 8 | 2% |
| Prather | 6 | 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: CSI Solar Co., Ltd. (34%), SolarWorld (15%), Qcells North America (13%), REC Solar (10%), Phono Solar Technology Co., Ltd. (2%)
- Inverters: SolarEdge Technologies Ltd. (49%), Enphase Energy Inc. (41%), SMA America (6%), Sol-Ark (1%), Fronius USA (0%)
- Leases and PPAs: 4% of its systems with known ownership were leased or under a power purchase agreement.
- Batteries: 0% 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
Llumetec (406), Solar Solutions 4 U (406), San Diego Solar Install (405), Sattler Engineering (405), Five Star Solar (402), Murrieta Solar Power (402), All Season Solar (400), Ambassador Energy (400).