France's solar energy sector plays a crucial role in the country’s commitment to renewable energy. As technology advances, companies focusing on photovoltaic solar solutions are increasing in number and impact. The industry involves a mix of manufacturers, project developers, and energy service providers, each with specific roles that contribute to energy generation. Growing support from government policies and technological innovations position the sector for significant expansion, with a strong push toward sustainability and carbon neutrality. Furthermore, the integration of solar energy with agriculture and storage solutions demonstrates a promising trend within the industry, paving the way for future advancements.

The companies featured here cover a range of sizes and disciplines within the solar energy market in France. Spanning from start-ups to larger corporations, these firms are headquartered primarily in regions like Île-De-France and Auvergne-Rhône-Alpes. Founded at various intervals, from 1979 to as recently as 2019, they engage in activities such as solar panel manufacturing, project development, and energy efficiency solutions. Each company's specialization highlights unique offerings, including agrivoltaic projects and energy storage innovations, collectively pushing France towards its renewable energy goals.

Read on to discover more about the top solar energy companies in France.

Top 19 Solar Energy Companies in France

1. EDF ENR PWT (Photowatt)

• Website: photowatt.com
• Ownership type: Corporate
• Headquarters: Bourgoin-Jallieu, Auvergne-Rhône-Alpes, France
• Employee distribution: France 100%
• Latest funding: September 2024
• Founded year: 1979
• Headcount: 51-200
• LinkedIn: photowatt

EDF ENR PWT, operating under the brand name Photowatt, is a French company based in Bourgoin-Jallieu, Auvergne-Rhône-Alpes. Founded in 1979, Photowatt has established itself as a manufacturer of high-efficiency photovoltaic products. The company specializes in producing solar panels, including bifacial and monofacial types, and emphasizes low-carbon production methods. With a workforce of approximately 125 employees, Photowatt has a production capacity exceeding 200 MWc and has sold over 4 million solar panels, contributing significantly to renewable energy solutions. The company is a subsidiary of EDF Renouvelables, part of the larger EDF Group, which is a major player in the global energy market. Photowatt's focus on innovation and sustainability, along with its extensive experience in the solar industry, underscores its role as a key contributor to the transition towards renewable energy.

2. Akuo

• Website: akuoenergy.com
• Ownership type: Private Equity
• Headquarters: Paris, Île-De-France, France
• Employee distribution: France 62%, Portugal 7%, United States (USA) 5%, Other 25%
• Latest funding: March 2025
• Founded year: 2007
• Headcount: 201-500
• LinkedIn: akuo-energy

Akuo Energy, founded in 2007 and based in Paris, France, is a private equity firm specializing in renewable energy. The company focuses on the production of solar and wind energy, energy storage solutions, and agrivoltaic projects, which integrate agricultural practices with solar energy generation. With a workforce of approximately 537 employees, Akuo operates in over 20 countries, showcasing its international reach and commitment to sustainable energy. The company serves a variety of clients, including businesses, agricultural entities, and local governments, assisting them in transitioning to renewable energy sources. Akuo has developed a significant portfolio, with 1.8 GW of energy currently in operation and construction, and over 20 GW in project development. Their innovative approach and dedication to environmental sustainability position them as a notable player in the renewable energy sector.

3. Adiwatt

• Website: adiwatt.com
• Ownership type: Corporate
• Headquarters: Fontaine-Raoul, Centre-Val De Loire, France
• Employee distribution: Morocco 50%, Spain 27%, France 12%, Other 10%
• Latest funding: October 2021
• Founded year: 2009
• Headcount: 51-200
• LinkedIn: adiwatt-spain

AdiWatt is an international industrial company dedicated to renewable photovoltaic energy, with its headquarters located in Fontaine-Raoul, France. Established in 2009, AdiWatt has developed a strong reputation for manufacturing and installing solar energy structures, catering to major players in the construction and energy sectors. The company operates two production facilities in France and Spain, boasting a production capacity exceeding 700 MW annually. AdiWatt has successfully deployed over 1.7 GWc of photovoltaic capacity globally, showcasing its capability to handle large-scale projects. The company emphasizes quality and sustainability in its operations, utilizing advanced materials and technologies to ensure the durability and efficiency of its solar solutions. AdiWatt's innovative approach and commitment to renewable energy have made it a recognized entity in the solar industry, contributing significantly to the growth of solar energy applications across Europe, Africa, and the Middle East.

4. Enoé

• Website: enoe-energie.fr
• Ownership type: Family Owned
• Headquarters: Marseille, Provence-Alpes-Côte D'Azur, France
• Employee distribution: France 100%
• Founded year: 2019
• Headcount: 51-200
• LinkedIn: eno%c3%a9-%c3%a9nergie

Enoé is a family-owned renewable energy company based in Marseille, France, specializing in solar and hydrogen energy solutions. Founded in 2019, Enoé has rapidly developed a significant presence in the renewable energy sector, focusing on the design, construction, and operation of photovoltaic solar power plants. The company operates over 500 solar sites throughout France, providing tailored energy solutions for local communities, farmers, and industrial clients. Enoé is dedicated to promoting sustainable energy practices and reducing carbon footprints through innovative projects, including agrivoltaics and hydrogen infrastructure. Their commitment to local engagement and environmental responsibility positions them as a proactive player in the transition to renewable energy.

5. Mobasolar

• Website: mobasolar.com
• Ownership type: Private
• Headquarters: Wolfgantzen, Grand Est, France
• Employee distribution: France 100%
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: mobasolar

Mobasolar, based in Wolfgantzen, Grand Est, France, is a private solar energy company that specializes in photovoltaic solutions tailored for both residential and commercial clients. Established in 2009, Mobasolar has developed a reputation for providing a comprehensive range of products and services, including solar panel installations and energy optimization strategies. The company prides itself on its innovative approach, with a dedicated research and development team that continuously seeks to enhance the technical and structural aspects of solar projects. Mobasolar's offerings include unique solutions like TerraGrif™, which simplifies the installation of solar panels, and various kits for self-consumption. Their focus on helping customers reduce energy costs while transitioning to sustainable energy sources positions them as a relevant player in the renewable energy sector.

6. Photosol

• Website: photosol.fr
• Ownership type: Corporate
• Headquarters: Paris, Île-De-France, France
• Employee distribution: France 96%, Italy 3%, Other 2%
• Latest funding: $424.0M, December 2021
• Founded year: 2008
• Headcount: 201-500
• LinkedIn: photosol-sas

Photosol, established in 2008 and headquartered in Paris, is a French renewable energy company that specializes in the production of solar energy through large photovoltaic installations. The company offers a full suite of services for solar projects, including obtaining necessary permits, financing, construction, and ongoing maintenance. With a workforce of around 244 employees, Photosol has developed a significant portfolio, boasting over 500 MWc of solar capacity currently in operation or under construction, and an ambitious 9.2 GWc in development across France. Their innovative agrivoltaïsme approach allows for the coexistence of solar energy production and agricultural activities, enabling landowners and farmers to benefit from both energy generation and agricultural productivity. This dual focus not only supports the energy transition but also promotes sustainable land use practices. In December 2021, Photosol secured €424 million in funding, further solidifying its position in the market and enhancing its ability to deliver on its projects. The company is recognized for its expertise in navigating the complexities of solar project development, making it a significant player in the renewable energy sector.

7. Energies De Loire

• Website: energiesdeloire.com
• Ownership type: Private
• Headquarters: Candé, Pays De La Loire, France
• Employee distribution: France 100%
• Founded year: 2018
• Headcount: 51-200
• LinkedIn: energies-de-loire

Energies De Loire, established in 2018 and based in Candé, Pays De La Loire, France, is a private solar energy provider specializing in the construction and operation of photovoltaic power plants. The company primarily serves farmers, artisans, and local communities, offering tailored solar energy solutions that help these groups transition to renewable energy sources. Energies De Loire emphasizes customer engagement, providing personalized project evaluations to meet specific needs. Their projects not only aim to reduce energy costs but also to generate additional income for their clients. The company is fully operational in France and is committed to accelerating the energy transition in its local territory, showcasing a strong dedication to sustainability and community involvement.

8. Isowatt

• Website: isowatt.fr
• Ownership type: Private
• Headquarters: Dardilly, Auvergne-Rhône-Alpes, France
• Employee distribution: France 100%
• Founded year: 2007
• Headcount: 11-50
• LinkedIn: ora-7

Isowatt, based in Dardilly, Auvergne-Rhône-Alpes, France, is a private company specializing in solar energy solutions. Established in 2007, Isowatt has focused on photovoltaic installations, providing a comprehensive range of products that include solar panels, inverters, and energy storage systems. The company serves both residential and commercial customers, emphasizing tailored solutions that help clients reduce energy costs and enhance sustainability. With over 12,000 installations to date, Isowatt has built a solid reputation in the industry. The company is also part of the Auraliance group, which positions it within a broader network of energy transition initiatives in France. Isowatt holds several certifications, including QualiBat RGE and QualiPV, which reflect its commitment to quality and environmental standards. Their services extend beyond installation, offering maintenance and support to ensure optimal performance of solar systems.

9. Engie Green

• Website: engie-green.fr
• Ownership type: Private
• Headquarters: Courbevoie, Île-De-France, France
• Employee distribution: France 98%, Other 2%
• Founded year: 2016
• Headcount: 501-1000
• LinkedIn: engie-green-france

Engie Green, based in Courbevoie, Île-De-France, is a renewable energy provider that focuses on solar and wind energy solutions. Founded in 2016, the company has grown to employ around 714 people, primarily in France. Engie Green specializes in innovative approaches such as dynamic agrivoltaism and solar canopies, which are designed to optimize land use while supporting agricultural activities. Their services are tailored for a range of clients, including farmers looking to enhance their operations, local authorities aiming to meet energy transition goals, and businesses seeking to reduce their carbon footprint. Engie Green's commitment to sustainability is evident in their projects, which aim to generate green electricity and promote responsible energy consumption. They actively engage in the development of solar energy infrastructure, contributing to the broader renewable energy landscape in France.

10. Generale Du Solaire

• Website: gdsolaire.com
• Ownership type: Private
• Headquarters: Paris, Île-De-France, France
• Employee distribution: France 96%, Italy 2%, Other 2%
• Latest funding: $9.1M, January 2022
• Founded year: 2008
• Headcount: 51-200
• LinkedIn: g-n-rale-du-solaire

Generale Du Solaire, based in Paris, France, is a private company specializing in solar energy solutions. Established in 2008, it focuses on the development, engineering, construction, financing, and operation of photovoltaic solar power plants. The company serves a range of clients, including local authorities and businesses, by offering customized solar energy solutions that aim to lower electricity costs and enhance sustainability. With a workforce of around 132 employees, Generale Du Solaire operates primarily in France, with a small presence in Italy and other regions. The company has successfully implemented various solar projects, including ground-mounted and rooftop installations, as well as innovative agrivoltaic systems. Their recent funding of approximately 9 million euros in January 2022 reflects their ongoing growth and commitment to advancing solar energy initiatives.

11. Edf Enr

• Website: edfenr.com
• Ownership type: Private
• Headquarters: Limonest, Auvergne-Rhône-Alpes, France
• Founded year: 2007
• Headcount: 1001-5000
• LinkedIn: edf-enr

EDF ENR, founded in 2007 and based in Limonest, Auvergne-Rhône-Alpes, France, is a private company specializing in solar energy solutions. With a workforce of approximately 1,150 employees, EDF ENR focuses on the installation and maintenance of solar panels for both residential and commercial customers. The company aims to assist clients in reducing their energy costs and achieving energy independence through renewable energy solutions. Operating throughout France, EDF ENR provides customized services to meet the unique energy needs of its customers. Their offerings include comprehensive support from initial assessments to installation and ongoing maintenance, ensuring a seamless transition to solar energy. The company also emphasizes collaboration with certified technicians and partners to enhance the quality and reliability of their services, contributing to the broader goal of promoting sustainable energy practices.

12. Nouvel'R Énergie

• Website: nouvelr-energie.com
• Ownership type: Private
• Headquarters: Rivehaute, Nouvelle-Aquitaine, France
• Employee distribution: France 100%
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: nouvel-r-%c3%a9nergie

Nouvel'R Énergie, founded in 2013 and based in Rivehaute, Nouvelle-Aquitaine, France, is a private company dedicated to renewable energy, with a strong focus on solar energy solutions. The company offers a range of services including solar panel installation, heat pumps, and energy efficiency solutions tailored for both residential and commercial customers. With a team of qualified technicians, Nouvel'R Énergie ensures that installations are handled with expertise and care, contributing to their high customer satisfaction rate of 97%. They also provide guidance on financial incentives and aid available for solar energy projects, helping clients navigate the complexities of transitioning to sustainable energy. The company has built a reputation for reliability, having not reported any installation-related claims since its inception, and serves over 1,000 energy producers annually. Their commitment to local service and customer support further solidifies their position in the solar energy market.

13. Sunzil

• Website: sunzil.com
• Ownership type: Private
• Headquarters: Dardilly, Auvergne-Rhône-Alpes, France
• Employee distribution: France 43%, Reunion 19%, Martinique 12%, Other 25%
• Founded year: 1981
• Headcount: 201-500
• LinkedIn: sunzil-sas

Sunzil, founded in 1981 and based in Dardilly, Auvergne-Rhône-Alpes, France, is a private company specializing in photovoltaic solutions. With a workforce of approximately 151 employees, Sunzil has carved out a significant niche in the solar energy market, particularly in overseas territories such as Guadeloupe, Martinique, and Réunion. The company offers a range of products and services, including self-consumption solar systems, energy storage solutions, and electricity sales. Their clientele includes homeowners and organizations looking for sustainable energy alternatives. Sunzil's commitment to providing tailored solutions to meet local energy needs highlights their adaptability and focus on customer satisfaction. They have developed, constructed, and operated numerous solar installations, demonstrating their expertise and long-standing involvement in the solar energy sector.

14. Sun'R

• Website: sunr.fr
• Ownership type: Private Equity
• Headquarters: Paris, Île-De-France, France
• Latest funding: $36.7M, May 2021
• Founded year: 2007
• Headcount: 51-200
• LinkedIn: sunr-groupe

Sun'R is a Paris-based renewable energy company that specializes in solar and hydroelectric solutions. Established in 2007, the company has built a reputation for assisting landowners, agricultural operators, and local authorities in reducing energy costs and meeting regulatory requirements. Sun'R offers a variety of products, including solar power plants, agrivoltaic systems, and project development support. Their commitment to sustainability is evident in their innovative agrivoltaic projects, which integrate agricultural practices with solar energy production. With a workforce of around 53 employees, Sun'R is actively involved in the energy transition, producing approximately 180 GWh annually and developing 1,200 MWc of solar capacity. The company has also secured significant funding, with a reported amount of €36.7 million in 2021, which supports their ongoing projects and initiatives in the renewable energy sector.

15. IZEN Energy Systems nv

• Website: izen.eu
• Ownership type: Private
• Headquarters: Lille, Hauts-De-France, France
• Employee distribution: Belgium 68%, Netherlands 19%, France 13%
• Founded year: 1987
• Headcount: 51-200
• LinkedIn: izen-energy-systems-nv

IZEN Energy Systems nv, based in Lille, Hauts-De-France, France, is a private company specializing in renewable energy, particularly solar energy solutions. Founded in 1987, IZEN has established itself as a key player in the solar market, focusing on the installation of solar parks, solar carports, and large roof installations. The company caters to a wide range of clients, including businesses, government entities, and individual consumers, emphasizing the importance of transitioning to sustainable energy sources. With a workforce of approximately 85 employees, IZEN operates primarily in Belgium, the Netherlands, and France. Over the years, they have installed more than 3 million solar panels, contributing to a total installed capacity of around 750 MWp. Their projects not only aim to reduce energy costs for clients but also significantly lower environmental impact, with an impressive annual reduction of over 331,000 tons of CO2 emissions. IZEN's commitment to innovation and efficiency in renewable energy technology positions them as a relevant and active participant in the solar energy industry.

16. Soleil du Sud

• Website: soleil-du-sud.fr
• Ownership type: Private
• Headquarters: Rocbaron, Provence-Alpes-Côte D'Azur, France
• Employee distribution: France 100%
• Founded year: 2009
• Headcount: 11-50
• LinkedIn: soleil-du-sud

Soleil du Sud, based in Rocbaron, Provence-Alpes-Côte D'Azur, is a private solar energy company established in 2009. The firm specializes in the production and installation of photovoltaic electricity, catering to local governments, businesses, and residential clients. With a workforce of approximately 32 employees, Soleil du Sud emphasizes sustainable energy solutions and maintenance services. The company operates exclusively within the Provence Alpes Côte d’Azur region, ensuring high-quality service and a strong local presence. Their commitment to sustainability is reflected in their practices, including responsible sourcing of materials, a focus on low carbon impact, and a comprehensive approach to project management that includes design, financing, and maintenance. Soleil du Sud has successfully connected over 300 solar installations, totaling 28 MWc of capacity, and has received accolades for its corporate social responsibility initiatives.

17. Voltec Solar

• Website: voltec-solar.com
• Ownership type: Private
• Headquarters: Dinsheim-Sur-Bruche, Grand Est, France
• Employee distribution: France 100%
• Founded year: 2010
• Headcount: 51-200
• LinkedIn: voltec-solar

Voltec Solar, founded in 2010 and located in Dinsheim-Sur-Bruche, Grand Est, France, is a private company specializing in the manufacturing of photovoltaic solar panels. With a workforce of approximately 69 employees, Voltec Solar is dedicated to providing innovative solar energy solutions for individuals, businesses, and local governments. The company is committed to reducing energy costs and minimizing environmental impact through its eco-responsible practices. Voltec Solar emphasizes local production, ensuring that its products are made with materials sourced primarily from Europe, which supports a low-carbon footprint. Their product offerings include a variety of solar panels designed for different applications, such as residential rooftops, commercial installations, and public infrastructure. The company also focuses on quality assurance, with a guarantee of up to 25 years on their solar panels, reflecting their confidence in the durability and performance of their products. Voltec Solar plays a significant role in promoting the adoption of renewable energy in France, contributing to the country's energy transition efforts.

18. Energy Concept

• Website: energy-concept-pro.fr
• Ownership type: Private
• Headquarters: Betschdorf, Grand Est, France
• Employee distribution: France 80%, Spain 10%, Tunisia 10%
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: energy-concept

Energy Concept, founded in 2011 and based in Betschdorf, Grand Est, France, is a private energy solutions provider that specializes in renewable energy systems. With a workforce of 19 employees, the company focuses on delivering sustainable energy solutions, including biomass heating, solar thermal, and photovoltaic systems. Energy Concept caters to a wide range of clients, from individuals to businesses and local authorities, emphasizing their commitment to helping customers reduce both energy costs and environmental impact. Their photovoltaic solutions are particularly notable, as they offer comprehensive services from initial project studies to installation, ensuring that clients receive tailored solutions that meet their specific energy needs. The company also serves as the exclusive distributor in France for Austrian brands ETA and Sonnenkraft, further solidifying its role in the renewable energy market.

19. GreenYellow

• Website: greenyellow.com
• Ownership type: Private
• Headquarters: Puteaux, Île-De-France, France
• Employee distribution: France 63%, South Africa 8%, Mauritius 4%, Other 25%
• Founded year: 2007
• Headcount: 501-1000
• LinkedIn: greenyellow

GreenYellow, established in 2007 and headquartered in Puteaux, Île-De-France, France, is an energy solutions provider that specializes in solar energy production, energy efficiency, and electric mobility. The company assists businesses and local authorities in their energy transition by offering customized, financed projects aimed at reducing energy costs and carbon emissions. GreenYellow operates internationally, with a significant presence in Europe, Asia, and Latin America, and focuses on decentralized solar photovoltaic production. Their services include the development, financing, and operation of solar energy projects, which are designed to produce green, local, and competitive energy. The company is committed to helping clients achieve their decarbonization goals through innovative energy solutions.

Solar Energy Insights: Key Companies in France

Company	Headquarter	Size	Founded	Ownership
EDF ENR PWT (Photowatt)	Bourgoin-Jallieu, Auvergne-Rhône-Alpes, France	51-200	1979	Corporate
Akuo	Paris, Île-De-France, France	201-500	2007	Private Equity
Adiwatt	Fontaine-Raoul, Centre-Val De Loire, France	51-200	2009	Corporate
Enoé	Marseille, Provence-Alpes-Côte D'Azur, France	51-200	2019	Family Owned
Mobasolar	Wolfgantzen, Grand Est, France	11-50	2009	Private
Photosol	Paris, Île-De-France, France	201-500	2008	Corporate
Energies De Loire	Candé, Pays De La Loire, France	51-200	2018	Private
Isowatt	Dardilly, Auvergne-Rhône-Alpes, France	11-50	2007	Private
Engie Green	Courbevoie, Île-De-France, France	501-1000	2016	Private
Generale Du Solaire	Paris, Île-De-France, France	51-200	2008	Private
Edf Enr	Limonest, Auvergne-Rhône-Alpes, France	1001-5000	2007	Private
Nouvel'R Énergie	Rivehaute, Nouvelle-Aquitaine, France	51-200	2013	Private
Sunzil	Dardilly, Auvergne-Rhône-Alpes, France	201-500	1981	Private
Sun'R	Paris, Île-De-France, France	51-200	2007	Private Equity
IZEN Energy Systems nv	Lille, Hauts-De-France, France	51-200	1987	Private
Soleil du Sud	Rocbaron, Provence-Alpes-Côte D'Azur, France	11-50	2009	Private
Voltec Solar	Dinsheim-Sur-Bruche, Grand Est, France	51-200	2010	Private
Energy Concept	Betschdorf, Grand Est, France	11-50	2011	Private
GreenYellow	Puteaux, Île-De-France, France	501-1000	2007	Private

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