Best Solar Companies in Southern California – Top Installers

Best Solar Companies in Southern California – Top Installers

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California stands first in the US for solar energy output because of clear skies and sunny days. Solar power contributes around 20% of the state’s electricity. There are many benefits to go for solar, such as federal tax credit. With hundreds of solar installers/contractors in the state, it will be painful to select the right one. To make things easier for you, here are the best solar companies in Southern California:

  1. Semper Solaris
  2. Green Solar Technologies
  3. Cosmic Solar
  4. Sunluc
  5. Future Energy Saver
  6. SolarMax Technology
  7. Sullivan Solar Power
  8. LA Solar Group
  9. SunPower by Stellar Solar
  10. PacificSky Solar

All the above names are reliable solar installers in Southern California. And they are selected based on customer service and experience of the team. Whether you are a resident or business or local government, one of them will definitely fit all your needs.

Semper Solaris

Semper Solaris is one of the best solar panel contractors in Southern California. Founded in 2012 by veterans from the US Marine Corps, the company provides residential solar installation services. It includes solar panel installation, solar maintenance, and roofing. Additionally, it provides storage batteries (Tesla Powerwall, LG Chem), and heating & air conditioning systems.

Semper Solaris’ rooftop installation
Semper Solaris’ rooftop installation [Credit: Semper Solaris]

In Southern California, Semper Solaris has a head office in El Cajon. It also has offices in San Diego, Santa Fe Springs, Santa Ana, Riverside, Palm Desert, and Bakersfield.

Website https://sempersolaris.com/
Headquarters El Cajon, California, US
Products/services Solar panels, roofing, storage batteries, heating & air conditioning systems
Area served California
No. of employees 150+
Founded on March 9, 2012
Key people John Almond (CEO, co-Owner), Kelly Shawhan (co-Owner)

Green Solar Technologies

Green Solar Technologies is a California-based solar installer for residents and commerce. In 10 years, the company has grown to 200+ employees. Its solar services cover solar panel installation, racking systems, and solar roofing. Further, the company also gives tailor-made financing solutions for individuals and businesses.

Roof mount installation in Waynesboro, Pennsylvania
Roof mount installation in Waynesboro, Pennsylvania [Credit: Green Solar]

Green Solar has served hundreds of people across the US. And it has physical offices in 11 states: California, Arizona, Nevada, New Mexico, Utah, and Wyoming. Other nonwestern states are New Orleans, Mississippi, Missouri, North Carolina, and Pennsylvania.

Website https://greensolartechnologies.com
Headquarters North Hollywood, California, US
Products/services Solar panels, roofing, inverters, racking systems, solar financing
Area served California, Arizona, New Orleans, Mississippi, Missouri, Nevada, New Mexico, North Carolina, Pennsylvania, Utah, Wyoming
No. of employees 200+
Founded in 2010
Key people Nicki Zvik (CEO, Founder)

Cosmic Solar

Cosmic Solar is a regional solar installer in Southern California. From design to installation, it provides complete services for homes and businesses. Services include solar installation, solar hot water system, and pool water heating system. Besides the aforementioned, Cosmic Solar offers a total line of roofing services—inspection, repair, installation, and maintenance.

Cosmic Solars’s 285 MW project for Auto Gallery Mitsubishi, Corona, California
Cosmic Solars’s 285 MW project for Auto Gallery Mitsubishi, Corona, California [Credit: Cosmic Solar]

Cosmic Solar is also an elite dealer of SunPower, an American premium solar cell manufacturer. The company has completed several successful projects in Southern California.

Website https://cosmicsolar.com
Headquarters Vista, California, US
Products/services Solar panels, roofing, solar hot water system, pool water heating system
Area served California
No. of employees 15+
Founded in 2004
Key people Bahram Shadzi (President, Founder)

Sunlux

Sunlux is a local solar contractor. Founded in 2015, the company has shown steady growth and had recorded sales of over $2 million in the first year. Today, the company provides full solar service, from design to procurement to installation. Apart from solar panels, it also serves solar financing and battery storage (Tesla Powerwall) solutions.

Solar panels fixed on the roof of a house in Thousand Oaks, California
Solar panels fixed on the roof of a house in Thousand Oaks, California [Credit: Sunlux]

Sunlux’s customers comprise individual homeowners, residential builders, and small-to-medium size commercial entities. The company is active in California and Texas. In California, it works in Los Angeles, Irvine, Rancho Santa Margarita, San Diego, Valencia, and Bakersfield. In Texas, it is available in Austin and San Antonio.

Website https://sunlux.com
Headquarters Rancho Cucamonga, California, US
Products/services Solar panels, storage batteries, solar financing
Area served California, Texas
No. of employees 50+
Founded in January 2015
Key people Guillermo Santomauroi (CEO, co-Founder), Joe Benko (President, co-Founder)

Future Energy Saver

Future Energy Saver is a four-decade-old company serving the people of California. The company offers American-made solar panel systems and roofing services to its customers. Other services offered are storage batteries, EV charging stations, heating & air conditioning, and exterior coating.

Future Energy Saver’s project in California
Future Energy Saver’s project in California [Credit: Future Energy Saver]

Since 1978, Future Energy Saver has completed more than 10,000 solar projects. It is popular for its exceptional customer service and has been honored by several awards. Its offices are in Elk Grove, Sacramento, and Rancho Cucamonga.

Website https://energysavers.com
Headquarters Elk Grove, California, US
Products/services Solar panels, batteries, roofing, EV charging, heating & air conditioning
Area served California
No. of employees 60+
Founded in 1978
Key people Jeffrey Adkins (CEO, Founder)

SolarMax Technology

SolarMax Technology is one of the best known solar installers in Southern California. With a 165,000 sq ft plant in Riverside, California, the company provides full solar service. It has finished 12,000+ residential and commercial projects since the inception. Unlike many, the company designs, engineers, and assembles its own branded panels. So, all panels are American made.

SolarMax’s commercial project, California
SolarMax’s commercial project, California [Credit: SolarMax]

Other products sold by SolarMax include inverters, energy storage solutions, and electric car charging solutions. Since 2010, the company has been offering solar financial services. It is operating in several areas of Southern California, especially in Orange, Los Angeles, San Bernardino, and Riverside.

Website https://solarmaxtech.com
Headquarters Riverside, California, US
Products/services Solar panels, batteries, inverters, EV charging systems, solar financing services
Area served California
No. of employees 200+
Founded in 2008
Key people David Hsu (CEO, co-Founder)

Sullivan Solar Power

Sullivan Solar Power is a leading regional solar installer in Southern California. Since 2006, the company has installed 9,000 solar systems having a combined capacity of 56.4 MW. Besides photovoltaic systems, Sullivan Solar also delivers storage batteries and EV charging solutions. The company has diverse customers: homeowners, builders, commercial entities, and governments.

324 kW of Sullivan’s photovoltaic system at St Michael’s Catholic Church, San Diego
324 kW of Sullivan’s photovoltaic system at St Michael’s Catholic Church, San Diego [Credit: Sullivan Solar]

With offices in San Diego, Irvine, and Riverside, Sullivan serves its customers throughout Southern California.

Website https://sullivansolarpower.com
Headquarters San Diego, California, US
Products/services Solar panels, batteries, EV chargers
Area served California
No. of employees 140+
Founded in 2004
Key people Daniel Sullivan (CEO, Founder)

LA Solar Group

LA Solar Group is a solar contractor from Los Angeles. The company has residential as well as commercial clients. Since its establishment in 2012, the company has completed 7680+ projects, installed 52.5 MW of photovoltaic systems. In addition to solar panels, LA Solar provides batteries, inverters, and solar shingles. Furthermore, the company offers roofing, financing, EV charging, maintaining services.

LA Solar Group’s residential work
LA Solar Group’s residential work [Credit: LA Solar]

Started with two employees, the company has now grown into 170+ employees and works in California, Nevada, and Texas. In California, it has a physical presence in Los Angeles and Fremont. LA Solar Group also has an online store, where it sells solar and electric equipment.

Website https://la-solargroup.com
Headquarters Los Angeles, California, US
Products/services Solar panels, batteries, shingles, EV chargers, inverters
Area served California, Nevada, Texas
No. of employees 170+
Founded in 2012
Key people Ara Petrosyan (CEO, Founder)

SunPower by Stellar Solar

Stellar Solar is one of the oldest solar companies in Southern California. The company is consistently ranked among the best solar installers in San Diego. Since 1998, it has completed over 7,000 residential projects and installed 20 MW of power for commerce.

1.2 MW of project at US Foodservice, La Mirada, California
1.2 MW of project at US Foodservice, La Mirada, California [Credit: Stellar Solar]

Stellar Solar sells solar panels manufactured by SunPower to all its customers. The company has also installed PV systems for churches, warehouses, hospitals, auto dealers, schools, etc.

Website https://stellarsolar.net
Headquarters Oceanside, California, US
Products/services PV solar systems, panels, batteries (Tesla Powerwall), maintenance
Area served California, Nevada, Texas
No. of employees 50+
Founded in 1998
Key people Kent Harle (President, Founder)

PacificSky Solar

PacificSky Solar provides solar panel installation services to the people of Southern California. The company installs SunPower panels and has finished several residential projects in the region. Other products offered are storage batteries and backup generators. Additionally, PacificSky provides reroofing services.

PacificSky’s project, Fontana, California
PacificSky’s project, Fontana, California [Credit: PacificSky]

It has an office in Los Angeles and serves its customers in the entire region.

Website https://pacificskysolar.com/
Headquarters Canoga Park, California, US
Products/services Solar panels, batteries, generators, reroofing
Area served California
No. of employees 50+
Founded in 2015
Key people Rafi Pagus (CEO, Founder)

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