The solar power installation industry is a rapidly growing sector that is tasked with the responsibility of harnessing the energy from the sun and converting it into usable electricity. Companies operating in this industry range from Tesla, known for their electric cars and solar solutions, to SolarCity, a firm dedicated to providing residential and commercial solar energy services. These companies provide a variety of services, including installation, maintenance, and financing of solar panels and other related products. As concerns over environmental degradation increase globally, the industry is set to expand further, with a shift towards renewable sources of energy now more imperative than ever.


Top 28 Solar Power Installation Companies

1. Tesla

  • Website: tesla.com
  • Headquarters: Austin, Texas, United States
  • Founded: 2003
  • Headcount: 10001+
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Tesla is a company that offers electric cars, solar energy solutions, and accessories. They provide clean energy solutions through their solar roof and solar panels. Customers can also lease or buy their electric car models like Model S, Model X, Model 3, and Model Y.


2. Iberdrola

  • Website: iberdrola.com
  • Headquarters: Bilbao, Biscay, Spain
  • Founded: 1840
  • Headcount: 10001+
  • Latest funding type: Post Ipo Debt
  • LinkedIn

Iberdrola is a leading company in the renewable energy sector, specializing in offshore and onshore wind, photovoltaic, hydroelectric power, and smart grid solutions. Committed to sustainability and the SDGs, Iberdrola is driving the energy transition and reducing environmental impact through innovative technologies.


3. SolarCity

  • Website: solarcity.com
  • Headquarters: San Mateo, California, United States
  • Founded: 2006
  • Headcount: 10001+
  • LinkedIn

SolarCity offers solar energy solutions to residential and commercial customers, providing clean and sustainable power. Their services include installation, financing, and maintenance of solar panels.


4. Sunrun

  • Website: sunrun.com
  • Headquarters: San Francisco, California, United States
  • Founded: 2007
  • Headcount: 10001+
  • Latest funding type: Post Ipo Debt
  • LinkedIn

Sunrun is a solar company that offers solar energy solutions to residential customers. They have provided solar to over 550,000 customers nationwide, saving them over $600 million on their utility bills.


5. Trina Solar

Trina Solar is a global leader in the solar industry, offering photovoltaic panels and solar system components that provide clean, affordable, and reliable energy to homes, businesses, and power plants worldwide. With a commitment to sustainability and corporate social responsibility, Trina Solar aims to accelerate global renewable energy development. Their all-in-one smart solutions deliver higher power gains and lower LCOE.


6. JA Solar

  • Website: jasolar.com
  • Headquarters: Fengtai District, Beijing, China
  • Founded: 2005
  • Headcount: 10001+
  • Latest funding type: Post Ipo Equity
  • LinkedIn

JA Solar is a global company specializing in the manufacturing and distribution of solar PV modules. They offer a range of high-quality products, including 60-cell and 72-cell MBB Half-cell Modules, Bifacial PERC Half-Cell Double Glass Modules, and more. With a strong commitment to sustainability and social responsibility, JA Solar has established itself as a leading player in the renewable energy industry.


7. NextEra Energy, Inc.

  • Website: nexteraenergy.com
  • Headquarters: Juno Beach, Florida, United States
  • Founded: 1985
  • Headcount: 10001+
  • Latest funding type: Post Ipo Equity
  • LinkedIn

NextEra Energy is America's leading sustainable energy company, specializing in the production and distribution of renewable energy sources. They offer customized solutions to help businesses achieve decarbonization goals and reduce carbon emissions. With a focus on innovation and investment in American infrastructure, NextEra Energy is a key player in reshaping the energy industry.


8. Yingli Solar

  • Website: yinglisolar.com
  • Headquarters: Baoding, Hebei, China
  • Founded: 1998
  • Headcount: 10001+
  • Latest funding type: Ipo
  • LinkedIn

YingliSolar.com is a company in the solar industry that offers solar PV products and solutions. They provide solar panels and related equipment for residential, commercial, and industrial applications.


9. First Solar

  • Website: firstsolar.com
  • Headquarters: Tempe, Arizona, United States
  • Founded: 1999
  • Headcount: 5001-10000
  • Latest funding type: Post Ipo Debt
  • LinkedIn

First Solar is a leading American solar technology company that produces high-quality advanced thin film CadTel PV modules. They are committed to responsible solar technology that reduces risk and maximizes returns while respecting people and the planet.


10. Sungrow Power Supply Co., Ltd.

  • Website: sungrowpower.com
  • Headquarters: Hefei, Anhui, China
  • Founded: 1997
  • Headcount: 5001-10000
  • Latest funding type: Ipo
  • LinkedIn

Sungrow is a leading provider of intelligent energy solutions, specializing in photovoltaic inverter technology. With over 26 years of experience, Sungrow offers a wide range of products and solutions for the renewable energy industry. Their offerings include energy storage systems, PV inverters, EV chargers, and floating PV systems. Sungrow is dedicated to ensuring profitability for stakeholders and securing competitiveness in the market.


11. Enphase Energy

  • Website: enphase.com
  • Headquarters: Fremont, California, United States
  • Founded: 2006
  • Headcount: 1001-5000
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Enphase is an energy technology company that prioritizes safety and quality. They offer microinverter systems, AC modules, and other products related to solar energy. They value innovation and strive to make solar energy smarter, simpler, and more affordable.


12. SolarEdge Technologies

  • Website: solaredge.com
  • Headquarters: Herzliya, Israel, Israel
  • Founded: 2006
  • Headcount: 1001-5000
  • Latest funding type: Ipo
  • LinkedIn

SolarEdge is a leading provider of smart energy solutions, specializing in PV inverters, power optimizers, and backup batteries. They offer products and services for both residential and commercial customers, helping them maximize their ROI and achieve sustainable energy goals. SolarEdge's innovative technology and comprehensive support make them a trusted partner in the renewable energy industry.


13. SunEdison

SunEdison is a leading renewable energy solutions provider, offering solar panel solutions in various cities in India. They provide end-to-end solar solutions for residential, agricultural, and commercial establishments. With exceptional quality and expertise, SunEdison helps customers switch to sustainable and smart solar energy systems, resulting in savings on electricity bills.


14. Sungevity

  • Website: sungevity.com
  • Headquarters: Oakland, California, United States
  • Founded: 2007
  • Headcount: 501-1000
  • Latest funding type: Post Ipo Debt
  • LinkedIn

Sungevity is a leading residential solar power company in California. They offer customized solar energy systems with battery storage options, providing savings and financing solutions. Their solar systems are designed to adapt to customers' changing needs and come with a guarantee of performance for 25 years. Sungevity also offers a solar lease program where they own, install, and maintain the solar system. With an easy-to-use monitoring app, customers can track their solar energy system in real-time.


15. Freedom Forever

Freedom Forever is a solar panel installation company that offers customized solar energy systems for residential customers. They guarantee the amount of energy that their systems produce for 25 years, making them the best in the industry. The company aims to provide freedom from high electric bills and help customers become more energy efficient.


16. Sunnova Energy

  • Website: sunnova.com
  • Headquarters: Houston, Texas, United States
  • Founded: 2012
  • Headcount: 501-1000
  • Latest funding type: Post Ipo Debt
  • LinkedIn

Sunnova is a leading national residential solar company that provides solar energy solutions to homeowners. They offer a range of solar services and products, including solar panel installations and maintenance.


17. enviaM-Gruppe

Enviam-Gruppe is a company that specializes in renewable energy solutions, with a focus on the installation of bifacial solar cells. They offer efficient energy solutions for residential buildings, such as flat roofs, carports, and terraced roofs, by harnessing solar energy and providing green energy for homes.


18. Aldo Solar

  • Website: aldo.com.br
  • Headquarters: Maringa, Parana, Brazil
  • Founded: 1982
  • Headcount: 201-500
  • LinkedIn

Aldo is a leading distributor of solar energy products and services in Brazil. They offer a wide range of solar panels, inverters, and other components for residential and commercial use. With their expertise and extensive product selection, Aldo is committed to promoting the adoption of solar energy and helping customers reduce their reliance on traditional sources of power.


19. VSLR Empowered

  • Website: vivintsolar.com
  • Headquarters: Lehi, Utah, United States
  • Founded: 2011
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Vivint Solar is a company that provides clean, affordable energy solutions to homeowners and businesses through solar panel installation.


20. Maya Energy

Maya Energy is a company based in Belo Horizonte, MG that specializes in providing energy solutions through the installation and maintenance of solar panels. They offer cost-saving packages for residential and commercial properties, resulting in significant monthly savings on energy bills.


21. Canadian Solar EMEA GmbH

  • Website: canadiansolar.com
  • Headquarters: München, Ontario, Germany
  • Founded: 2006
  • Headcount: 51-200
  • Latest funding type: Post Ipo Debt
  • LinkedIn

Canadian Solar is a global solar power company that specializes in the development, manufacturing, and sale of solar module products and solutions. With a strong project pipeline and a focus on sustainable energy, the company offers a wide range of solar products for residential, commercial, and utility-scale applications.


22. Energia Solare Milano

EnergiaSolareMilano is an Italian company that specializes in the installation and maintenance of effective and efficient solar energy systems for residential and commercial purposes.


23. LG Electronics Solar Europe

LG Solar is a company that offers high-quality solar energy solutions to homeowners, businesses, and utility companies. They offer a range of solar panel products and services, including installation, maintenance, and repair.


24. zolar

  • Website: zolar.de
  • Headquarters: Berlin, Berlin, Germany
  • Founded: 2016
  • Headcount: 201-500
  • Latest funding type: Series C
  • LinkedIn

Zolar.de offers affordable solar panel solutions for homeowners. They provide complete packages for small, medium, and large roofs, which can be customized according to individual needs. Customers have the option to purchase or rent solar panels. Zolar simplifies the process of planning and installing PV systems, providing objective and tailored advice. By harnessing the energy of the sun, customers can reduce their electricity costs and contribute to a sustainable and environmentally-friendly infrastructure.


25. Sunday Polska

Sunday Polska is a company that specializes in providing solar energy solutions for homes, businesses, and agricultural purposes. They offer a range of products including solar installations, energy storage solutions, heat pumps, and electric vehicle chargers. With a focus on sustainability and cost savings, Sunday Polska aims to help customers reduce their reliance on traditional energy sources.


26. EDPR Sunseap

  • Website: sunseap.com
  • Headquarters: Singapore, Singapore, Singapore
  • Founded: 2011
  • Headcount: 201-500
  • Latest funding type: Corporate Round
  • LinkedIn

Sunseap is a premier clean solutions provider specializing in the retail sale of commercial solar energy and offering zero-cost solar installation for businesses. They also provide engineering services and more.


27. Solar Power One

SolarPowerOne LLC is a leading provider of residential and commercial solar panel systems. They offer a wide range of financing options to make the transition to solar energy smooth and affordable. With over 14 years of experience in the solar industry, they provide top-notch products and services to empower individuals and businesses to take control of their energy consumption and contribute to a sustainable future.


28. Nexamp

  • Website: nexamp.com
  • Headquarters: Boston, Massachusetts, United States
  • Founded: 2007
  • Headcount: 201-500
  • Latest funding type: Private Equity
  • LinkedIn

Nexamp is a clean energy company that offers solar power solutions to help businesses and communities reduce their electricity costs and embrace sustainable energy. They provide power purchase agreements and help with the development and maintenance of solar farms. By supporting solar energy, customers can save 10-20% on their annual electricity costs.


Want to find more solar power installation companies?


If you want to find more companies that offer solar panel installation, maintenance and financing services you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
  • Contact data: Who are the owners and CEO's? What are their emails and phone numbers?
  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!