Solar Companies in California, United States
As of August 2026, there are 15,557 active solar & energy companies in California, United States on SolarXList — including installers, EPC contractors and equipment suppliers. Browse listings with websites and contact details below.
San Ramon, California, United States
Solar Installation / EPCInstallerEPCWebsite
Oakland, California, United States
Electrical / ElectricianInstallerWebsite
Redding, California, United States
Solar Installation / EPCInstallerEPCWebsite
Placentia, California, United States
Solar Installation / EPCInstallerEPCWebsite
Bakersfield, California, United States
Solar Installation / EPCInstallerEPCWebsite
Hemet, California, United States
Electrical / ElectricianInstallerWebsite
Beverly Hills, California, United States
Electrical / ElectricianInstallerWebsite
San Leandro, California, United States
Electrical / ElectricianInstallerWebsite
Lancaster, California, United States
Solar Installation / EPCInstallerEPCWebsite
San Francisco, California, United States
Electrical / ElectricianInstallerWebsite
San Jose, California, United States
Solar Installation / EPCInstallerEPCWebsite
Sacramento, California, United States
Solar Installation / EPCInstallerEPCWebsite
Modesto, California, United States
Solar Installation / EPCInstallerEPCWebsite
Menifee, California, United States
Electrical / ElectricianInstallerWebsite
Glendale, California, United States
Electrical / ElectricianInstallerWebsite
Los Angeles, California, United States
Solar Installation / EPCInstallerEPCWebsite
San Diego, California, United States
Solar Installation / EPCInstallerEPCWebsite
Concord, California, United States
HVAC / Heat PumpInstallerWebsite
San Francisco, California, United States
Solar Installation / EPCInstallerEPCWebsite
Ventura, California, United States
Electrical / ElectricianInstallerWebsite
Lake Elsinore, California, United States
Solar Installation / EPCInstallerEPCWebsite
Stockton, California, United States
HVAC / Heat PumpInstallerWebsite
Santa Rosa, California, United States
Solar Installation / EPCInstallerEPCWebsite
Los Angeles, California, United States
Solar Installation / EPCInstallerEPCWebsite
Los Angeles, California, United States
Solar Installation / EPCInstallerEPCWebsite
Davis, California, United States
Solar Installation / EPCInstallerEPCWebsite
Madera, California, United States
HVAC / Heat PumpInstallerWebsite
Palm Springs, California, United States
Electrical / ElectricianInstallerWebsite
San Jose, California, United States
Electrical / ElectricianInstallerWebsite
Clovis, California, United States
Electrical / ElectricianInstallerWebsite
San Jose, California, United States
Electrical / ElectricianInstallerWebsite
Castaic, California, United States
Electrical / ElectricianInstallerWebsite
Anaheim, California, United States
Solar Installation / EPCInstallerEPCWebsite
Rancho Cucamonga, California, United States
Solar Installation / EPCInstallerEPCWebsite
Santa Cruz, California, United States
Solar Installation / EPCInstallerEPCWebsite
Pleasanton, California, United States
Solar Installation / EPCInstallerEPCWebsite
Antioch, California, United States
Solar Installation / EPCInstallerEPCWebsite
San Diego, California, United States
Solar Installation / EPCInstallerEPCWebsite
Mission Viejo, California, United States
Solar Installation / EPCInstallerEPCWebsite
El Cajon, California, United States
Solar Installation / EPCInstallerEPCWebsite
Other regions in United States
Texas · 9,155Florida · 6,085New York · 4,362Pennsylvania · 3,182Arizona · 2,912Ohio · 2,756Washington · 2,701North Carolina · 2,689Colorado · 2,603Illinois · 2,509Virginia · 2,494New Jersey · 2,415 Frequently asked questions
How many solar companies are there in California?
As of August 2026, SolarXList lists 15,557 solar & energy companies in California, United States.
What types of solar companies operate in California?
The listings below cover installers, EPC contractors, equipment suppliers, distributors and energy-storage providers active in California.
