The solar energy sector in Puerto Rico is rapidly evolving, driven by the island's need for sustainable power sources following traditional energy challenges. This industry features a mix of local startups and international giants, focusing on residential and commercial solar solutions. Companies offer services ranging from solar panel installations to energy management systems. With a high solar irradiance rate and supportive policies, Puerto Rico is transitioning towards a sustainable energy future, aiming to significantly increase solar adoption in the coming years. The industry's growth could also create jobs and boost the economy while reducing dependence on imported fossil fuels.

This list showcases 19 notable solar companies, ranging from established multinational corporations to innovative local firms. Headquartered in various locations globally, these companies bring unique specialties including top-notch solar panel manufacturing and installation services. Many were founded within the last two decades, indicating a trend toward renewable energy solutions. Their workforce size varies widely, from a few hundred employees to several thousand, reflecting the scale of operations. Companies like SunPower and Vivint Solar lead in technology and customer service, ensuring efficient energy solutions.

Continue reading to learn about the top solar energy companies in Puerto Rico.

Top 19 Solar Energy Companies in Puerto Rico

1. Vivint Solar

• Website: vivintsolar.com
• Ownership type: Corporate
• Headquarters: Beltsville, Maryland, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $3.2B, July 2020
• Founded year: 2011
• Headcount: 5001-10000
• LinkedIn: armed-forces-credit-solutions-llc

Vivint Solar, now known as Sunrun, is a solar energy provider based in Beltsville, Maryland, founded in 2011. The company specializes in offering solar power solutions tailored for residential customers. Their services include solar panel installations, solar subscriptions, and advanced energy management technologies. This focus helps homeowners lower their energy costs while promoting a shift towards renewable energy sources. With a workforce of over 5,000 employees, Sunrun has established a significant presence in the U.S. solar market. The company has also secured substantial funding, amounting to $3.2 billion in July 2020, which underscores its growth trajectory and commitment to expanding solar access. Sunrun's innovative approach, including partnerships for battery storage and electric vehicle integration, positions it as a forward-thinking entity in the solar energy sector.

2. SunPower Corporation

• Website: us.sunpower.com
• Ownership type: Private Equity
• Headquarters: Richmond, California, United States (USA)
• Employee distribution: United States (USA) 55%, Philippines 35%, Mexico 4%, Other 7%
• Latest funding: Other (Debt), $300.0M, February 2024
• Founded year: 1985
• Headcount: 1001-5000
• LinkedIn: sunpower-corporation

SunPower Corporation, based in Richmond, California, is a prominent solar energy provider specializing in residential solar solutions. Established in 1985, the company has built a reputation for delivering high-quality solar panels, battery storage systems, and electric vehicle (EV) charging solutions. SunPower aims to help homeowners reduce their energy costs and environmental impact through innovative solar technology. The company operates through a network of certified dealers, ensuring personalized service and support for its customers. Recently, SunPower secured $300 million in funding in February 2024, which underscores its commitment to growth and development in the solar industry. With a workforce of approximately 3,572 employees, SunPower continues to play a significant role in advancing solar energy adoption across the United States and beyond.

3. Fronius International

• Website: fronius.com
• Ownership type: Private
• Headquarters: Wels, Upper Austria, Austria
• Employee distribution: Austria 89%, Germany 3%, Other 8%
• Founded year: 1945
• Headcount: 5001-10000
• LinkedIn: fronius-international-gmbh

Fronius International GmbH, founded in 1945 and based in Wels, Austria, is a technology company that specializes in welding technology, photovoltaics, and battery charging solutions. With a workforce of approximately 5,000 to 10,000 employees, Fronius operates on a global scale, maintaining a strong presence in various international markets. The company is particularly noted for its solar energy division, which provides innovative products tailored for homeowners, businesses, and installers. Their offerings include high-quality inverters, backup power solutions, and energy storage systems, all designed to enhance the efficiency and sustainability of solar energy use. Fronius is committed to advancing renewable energy technologies and has established a reputation for reliability and performance in the solar sector. Their focus on sustainability is evident in their product development and corporate practices, reinforcing their role as a significant player in the solar energy industry.

4. Rec

• Website: recgroup.com
• Ownership type: Corporate
• Headquarters: Singapore
• Employee distribution: Singapore 77%, United States (USA) 8%, Germany 4%, Other 11%
• Latest funding: Other (Grant), July 2022
• Founded year: 1996
• Headcount: 1001-5000
• LinkedIn: rec_

REC Group, based in Singapore, is a prominent solar panel manufacturer that has been operating since 1996. The company specializes in high-efficiency solar products, catering to both homeowners and businesses seeking sustainable energy solutions. Their product lineup includes the REC Alpha Pure and TwinPeak solar panels, which are designed to deliver superior performance and reliability. REC emphasizes ethical manufacturing practices and sustainability, reflecting a commitment to reducing environmental impact. The company has a global presence, with a significant portion of its workforce located in Singapore, and it actively engages in initiatives that promote solar energy adoption. REC's focus on innovation is highlighted by their use of advanced technologies, such as HJT, which enhances the efficiency of their solar panels. This dedication to quality and sustainability positions REC as a noteworthy player in the solar energy industry.

5. SolarBK

• Website: solarbk.vn
• Ownership type: Private
• Headquarters: Ho Chi Minh City, Ho Chi Minh, Vietnam
• Employee distribution: Vietnam 100%
• Founded year: 2006
• Headcount: 201-500
• LinkedIn: solarbk

SolarBK, officially known as Công ty CP ĐT & PT Năng Lượng Mặt Trời Bách Khoa, is a private clean energy company located in Ho Chi Minh City, Vietnam. Established in 2006, SolarBK has been at the forefront of the solar energy sector in Vietnam, providing tailored solutions for both residential and commercial clients. The company operates through a complete value chain that includes research and development, installation, and ongoing monitoring of solar energy systems. Their product offerings include the BigK and BigK+ solar power systems, as well as financial solutions like the SOLAR ESCO program, which helps businesses invest in clean energy without upfront costs. SolarBK is also known for its commitment to sustainability, aiming to make clean energy accessible to a broader audience. They have participated in various projects, including significant installations for commercial clients and initiatives to promote energy independence among households. With a workforce of around 500 employees, SolarBK is dedicated to advancing the adoption of renewable energy in Vietnam.

6. Lumos Nigeria

• Website: lumos.com.ng
• Ownership type: Private
• Headquarters: Lagos, Lagos, Nigeria
• Employee distribution: Nigeria 100%
• Latest funding: Other (Debt), $35.0M, September 2020
• Founded year: 2012
• Headcount: 501-1000
• LinkedIn: lumos-nigeria

Lumos Nigeria is a private solar energy provider based in Lagos, Nigeria, founded in 2012. The company specializes in offering solar home systems designed to meet the energy needs of households and small businesses. By providing clean, reliable, and affordable solar power solutions, Lumos addresses the persistent challenges of electricity supply in Nigeria. Their product range includes various solar systems, such as Lumos L1, Lumos PRIME, and Lumos ECO, which cater to different power requirements. Lumos has also developed a Partner Network, empowering local entrepreneurs to sell and service their solar products, thereby enhancing community access to renewable energy. The company has received significant funding, with a reported amount of $35 million in 2020, which supports its growth and operational capabilities in the solar market.

7. Vikram Solar

• Website: vikramsolar.com
• Ownership type: Private
• Headquarters: Kolkata, West Bengal, India
• Employee distribution: India 99%
• Latest funding: $200.0M, December 2023
• Founded year: 2006
• Headcount: 1001-5000
• LinkedIn: vikram-solar

Vikram Solar Limited, based in Kolkata, India, is a prominent solar energy company that focuses on the manufacturing of solar photovoltaic (PV) modules and offers comprehensive engineering, procurement, and construction (EPC) services for solar power plants. Established in 2006, the company has built a reputation for quality and innovation, aiming to support India's green energy goals. Vikram Solar serves a wide range of clients, including businesses and organizations, helping them transition to renewable energy solutions. The company has successfully commissioned over 1,030 MW of solar projects and has a portfolio that includes more than 275 projects across various sectors such as utility, health, education, and industry. With a strong emphasis on research and development, Vikram Solar is committed to delivering advanced solar solutions. The company has also received significant funding, with a recent amount of $200 million reported in December 2023, which underscores its growth potential and investor confidence. Vikram Solar's operations extend to 39 countries, showcasing its international reach and commitment to promoting solar energy globally.

8. Suntech

• Website: suntech-power.com
• Ownership type: Corporate
• Headquarters: Wuxi, Jiangsu, China
• Employee distribution: China 64%, India 6%, Australia 5%, Other 25%
• Latest funding: November 2013
• Founded year: 2001
• Headcount: 10001+
• LinkedIn: suntech_2

Suntech Power, founded in 2001 and based in Wuxi, Jiangsu, China, is a prominent manufacturer of photovoltaic modules. The company specializes in crystalline silicon solar cells and modules, providing innovative solar solutions to utility companies, commercial enterprises, and residential customers. With a strong emphasis on quality and sustainability, Suntech has established a significant footprint in the global solar market, having supplied over 50 GW of photovoltaic modules across more than 100 countries. Their commitment to research and development is reflected in their extensive portfolio of over 600 authorized patents. Suntech aims to be a trusted partner in the renewable energy sector, continuously innovating to enhance the efficiency and reliability of their products.

9. Adani Solar

• Website: adanisolar.com
• Ownership type: Private
• Headquarters: Ahmedabad, Gujarat, India
• Employee distribution: India 100%
• Founded year: 2015
• Headcount: 501-1000
• LinkedIn: adani-solar

Adani Solar, a subsidiary of the Adani Group, is based in Ahmedabad, Gujarat, India. Established in 2015, the company specializes in manufacturing high-efficiency photovoltaic modules. It operates as India's largest vertically integrated solar PV manufacturer, with a total capacity of 4 GW for cells and modules, and 2 GW for ingots and wafers. Adani Solar's product offerings include Monofacial and Bifacial PV modules utilizing advanced technologies such as TOPCon and MonoPERC. The company has shipped over 10 GW of modules globally, demonstrating its reach and acceptance in both domestic and international markets. Adani Solar is committed to sustainability, having achieved certifications for its environmental practices and contributing to India's renewable energy goals. The company is also focused on research and innovation, continuously evaluating emerging technologies to enhance its product offerings.

10. SolarNow BV

• Website: solarnow.eu
• Ownership type: Venture Capital
• Headquarters: Millingen Aan De Rijn, Gelderland, Netherlands
• Employee distribution: Uganda 70%, Kenya 28%, Ghana 2%
• Latest funding: Other (Grant), $145,000, June 2019
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: solarnow-bv

SolarNow BV, founded in 2011, is a renewable energy solutions provider based in Millingen Aan De Rijn, Gelderland, Netherlands. The company specializes in solar energy systems tailored for residential, commercial, and institutional clients. With a strong operational focus in East Africa, particularly Uganda and Kenya, SolarNow addresses the pressing issues of high electricity costs and unreliable power supply. They offer a range of services including design, installation, and consultation, primarily targeting sectors such as education, healthcare, and agriculture. Over the years, SolarNow has installed 5 MW of solar capacity and has served more than 50,000 customers. Their commitment to sustainability is evident in their efforts to avoid 350,000 tons of CO2 emissions to date. In 2019, they received a grant of €145,000, which underscores their ongoing efforts to innovate and expand their impact in the renewable energy market.

11. Solahart Industries

• Website: solahart.com.au
• Ownership type: Private
• Headquarters: Rydalmere, New South Wales, Australia
• Employee distribution: Australia 69%, Indonesia 10%, South Africa 4%, Other 18%
• Founded year: 1953
• Headcount: 501-1000
• LinkedIn: solahart-industries

Solahart Industries, based in Rydalmere, New South Wales, Australia, has been a prominent player in the solar energy sector since its inception in 1953. The company specializes in renewable energy solutions, offering a range of products that include solar hot water systems, solar power systems, and battery storage solutions. With a workforce of approximately 500 to 1000 employees, Solahart operates through a network of local dealers, ensuring tailored solutions for both residential and commercial customers. Their commitment to sustainability is reflected in their extensive installation history, with over one million solar panels installed across Australia. Solahart's innovative approach includes the development of smart energy management systems and electric vehicle chargers, positioning them as a forward-thinking company in the renewable energy space. Their focus on quality and reliability has earned them a strong reputation among consumers and industry peers alike.

12. Semper Solaris

• Website: sempersolaris.com
• Ownership type: Private
• Headquarters: El Cajon, California, United States (USA)
• Employee distribution: United States (USA) 99%
• Founded year: 2012
• Headcount: 501-1000
• LinkedIn: semper-solaris

Semper Solaris, based in El Cajon, California, is a private solar energy provider and roofing contractor that specializes in solar power solutions, battery storage, and HVAC systems. Founded in 2012, the company primarily serves homeowners looking to improve energy efficiency and lower utility costs. Semper Solaris has built a reputation for quality service and customer satisfaction, which is reflected in their numerous awards, including recognition as a top residential solar installer. They offer a range of services, including solar panel installation, roofing services, and energy-efficient HVAC systems, often bundled together to provide comprehensive solutions for homeowners. The company emphasizes American-made solar panels and collaborates with reputable brands like Tesla and Enphase for battery storage solutions. Their commitment to community is highlighted through initiatives like Semper Cares, which supports veterans and their families with home improvements. With a workforce of around 330 employees, Semper Solaris operates primarily in the United States, showcasing a strong local presence in the solar energy market.

13. Enpal

• Website: enpal.de
• Ownership type: Private Equity
• Headquarters: Berlin, Berlin, Germany
• Employee distribution: Germany 92%, Albania 5%, Other 3%
• Latest funding: $120.8M, April 2025
• Founded year: 2017
• Headcount: 1001-5000
• LinkedIn: enpal-gmbh

Enpal, based in Berlin, Germany, is a private equity-backed renewable energy provider that specializes in photovoltaic systems and heat pumps. Founded in 2017, the company has rapidly grown to employ over 3,000 individuals, primarily in Germany. Enpal's business model is centered around providing tailored energy solutions that empower both consumers and businesses to lower their energy costs and gain independence from conventional energy sources. They offer flexible options for purchasing or subscribing to their products, which are complemented by a comprehensive service package. Enpal has also received significant funding, with a recent amount of approximately 120.8 million euros, reflecting strong investor interest in their innovative approach to renewable energy. Their commitment to customer satisfaction is evident in their service offerings and the positive feedback from over 70,000 satisfied customers.

14. Svea Solar

• Website: sveasolar.com
• Ownership type: Private Equity
• Headquarters: Stockholm, Stockholm, Sweden
• Employee distribution: Sweden 79%, Germany 10%, Spain 3%, Other 7%
• Latest funding: Series B, $106.0M, March 2022
• Founded year: 2014
• Headcount: 501-1000
• LinkedIn: svea-solar

Svea Solar, based in Stockholm, Sweden, is a solar energy company that specializes in solar panel systems, energy storage solutions, and electric vehicle charging. Since its inception in 2014, Svea Solar has completed over 50,000 installations across Sweden, Germany, Spain, Belgium, the Netherlands, and Italy. The company serves both residential and commercial clients, helping them transition to renewable energy and reduce their carbon footprint. Svea Solar is committed to sustainability, aiming to create a society with zero CO2 emissions. In March 2022, the company secured $106 million in Series B funding, which is intended to support its growth and expansion in the European market. Svea Solar's innovative approach includes the development of a Virtual Power Plant (VPP) that aggregates energy from solar installations to stabilize the electricity grid, showcasing their role in advancing renewable energy solutions.

15. Blue Raven Solar

• Website: blueravensolar.com
• Ownership type: Corporate
• Headquarters: Orem, Utah, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: $165.0M, October 2021
• Founded year: 2014
• Headcount: 1001-5000
• LinkedIn: blue-raven-solar

Blue Raven Solar, based in Orem, Utah, is a solar energy provider that specializes in residential solar panel installation and financing solutions. Founded in 2014, the company has quickly grown to employ over 1,000 individuals across the United States. Blue Raven Solar aims to help homeowners reduce their energy costs while promoting the use of clean, renewable energy. They offer a comprehensive service that includes system design, permitting, financing, and installation, all managed in-house to ensure a seamless experience for customers. The company has received significant funding, with a notable investment of $165 million in 2021, which underscores its growth trajectory and commitment to expanding its market presence. Blue Raven Solar also emphasizes customer satisfaction, boasting thousands of positive reviews that highlight their efficient service and quality installations.

16. Solar Philippines

• Website: solarphilippines.ph
• Ownership type: Corporate
• Headquarters: Makati, Metro Manila, Philippines
• Employee distribution: Philippines 99%, Other 1%
• Latest funding: December 2023
• Founded year: 2013
• Headcount: 1001-5000
• LinkedIn: solar-philippines

Solar Philippines Power Project Holdings, Inc. is a corporate entity based in Makati, Metro Manila, Philippines, founded in 2013. The company specializes in the development and installation of solar energy solutions, focusing on both rooftop solar panels and large-scale solar farms. With a mission to provide affordable and reliable electricity, Solar Philippines has made significant strides in addressing the energy needs of businesses and communities across the region. The company boasts over 300 MW of generating capacity and has access to approximately 10,000 hectares of land suitable for solar farm development. Solar Philippines is recognized for its innovative approach to creating solar energy zones, which facilitate the growth of the solar industry in the Philippines. The company has received accolades for its projects, including awards for its solar farms, and is actively involved in initiatives aimed at enhancing energy access and sustainability in the country.

17. Solar Frontier K.K.

• Website: solar-frontier.com
• Ownership type: Private
• Headquarters: Japan
• Employee distribution: Japan 84%, United States (USA) 16%
• Founded year: 2006
• Headcount: 1001-5000
• LinkedIn: solar-frontier-k.k.

Solar Frontier K.K. is a private solar energy company based in Japan, founded in 2006. The company specializes in providing solar power systems and energy solutions tailored for both businesses and consumers. Their product offerings include self-consumption solar systems, energy storage solutions, and operations and maintenance (O&M) services. Solar Frontier is committed to promoting sustainability and reducing energy costs through innovative renewable energy technologies. With a workforce of over 1,000 employees, the company has a significant presence in Japan, while also extending its reach to the United States. Their long-standing experience in solar technology, backed by over 40 years of research in solar cells, positions them as a knowledgeable entity in the industry. The company is part of the Idemitsu Group, which further enhances its credibility and operational capacity in the renewable energy sector.

18. Mahindra Susten

• Website: mahindrasusten.com
• Ownership type: Private
• Headquarters: Mumbai, Maharashtra, India
• Employee distribution: India 100%
• Latest funding: $297.5M, September 2022
• Founded year: 2010
• Headcount: 501-1000
• LinkedIn: mahindra-susten

Mahindra Susten, established in 2010 and based in Mumbai, Maharashtra, is a private company specializing in renewable energy, particularly solar power solutions. The firm provides a comprehensive suite of services that includes engineering, procurement, construction, and asset management for renewable energy projects. With a strong emphasis on sustainability, Mahindra Susten has developed a portfolio exceeding 1.5 GWp of independent power producer (IPP) assets and is actively working on an additional 1.9 GWp. The company primarily serves businesses and organizations looking to transition to sustainable energy sources. Their commitment to decarbonization is evident in their operational strategies and project developments. In 2022, Mahindra Susten secured significant funding of approximately $297 million, reflecting investor confidence in their growth potential and strategic direction. The company is dedicated to creating lasting value for its stakeholders while contributing to India's renewable energy targets.

19. Renogy

• Website: renogy.com
• Ownership type: Venture Capital
• Headquarters: Ontario, California, United States (USA)
• Employee distribution: United States (USA) 48%, China 48%, Czech Republic 2%, Other 2%
• Latest funding: Series E-K, June 2022
• Founded year: 2010
• Headcount: 501-1000
• LinkedIn: renogy

Renogy, based in Ontario, California, is a solar energy provider that specializes in renewable energy solutions. Since its inception in 2010, the company has focused on offering a wide array of products, including solar panels, batteries, and inverters. These products are designed to help both consumers and businesses achieve energy independence and cost savings through solar power. Renogy operates primarily through an online platform, which allows customers to easily access and purchase solar energy systems. The company has a significant presence in the market, with a workforce distributed across the United States and China, and it has been involved in various funding rounds, including a Series E-K funding in June 2022. Renogy's mission is to accelerate the adoption of clean energy solutions globally, making it a relevant player in the solar energy industry.

Solar Energy Insights: Key Companies in Puerto Rico

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