Alternative Energy Systems
Alternative Energy Systems appears in public records for 3,262 home solar installations from 2006 to 2026, across 5 states. It mostly installs systems homeowners own.
- Installations on record
- 3,262292 in the last 3 years
- Years active in records
- 212006–2026
- Price vs. state average
- −10%median $4.00/W (259 owned systems)
- Leased or PPA systems
- 5%of recent installs
- With a battery
- 18%recent installs
- Typical system
- 8.5 kWmedian size
Equipment they use most
Panels
Inverters
Microinverters on 62% and optimizers on 1% of recent systems. Equipment guide
Where they install
| State | Installations | License lookup |
|---|---|---|
| California | 3,198 | Check license |
| Oregon | 55 | Check license |
| New York | 6 | Check license |
| Arizona | 2 | Check license |
| Massachusetts | 1 | Check license |
California contractor license numbers in state records: 853351.0, 835531.0, 855351.0. Verify with the CSLB.
What the numbers suggest
- Prices on owned systems run somewhat below the average in the same state and year.
- It mostly installs systems homeowners own.
- A long track record (21 years in records) is a good sign for honoring a workmanship warranty.
Before you sign with any installer
- Verify the contractor license and look for complaints with your state board and attorney general.
- Get at least three quotes and compare them in our quote comparison tool.
- Ask who does the installation (their own crews or subcontractors) and who backs the workmanship warranty.
- Read our solar sales red flags.
Other active installers in California
- Sunrun 393,217 installs
- Tesla Energy 342,090 installs
- SunPower 145,397 installs
- Freedom Forever 65,288 installs
- Bright OPS 15,565 installs
- Citadel Roofing And Solar 19,239 installs
- GAF Energy 9,795 installs
- Sunnova 19,138 installs
Data: LBNL Tracking the Sun (through 2025) and California DGStats. Installer names are normalized from public records and may combine related business names. We don't accept payment from installers. Something wrong? Request a correction.