Event Partners


3SUN will be the largest facility of high-performance photovoltaic cells and modules in Europe, with an annual production of 3 GW per year. Excellence, innovation, and sustainability are our pillars to build state-of-the-art photovoltaic panels, able to compete with the big players in the market. Our modules are based on 3SUN CORE-H heterojunction technology, fully developed in-house. This technology is indeed the core of our solar products, which are divided into two types of markets: utility scale (solar plants) and distributed generation (residential and commercial use). Our product portfolio shares market-leading features such as high efficiency, superior performance, and excellent reliability. We have also developed a highly automated and traceable state-of-the-art manufacturing process because we are committed to environmental and social sustainability to achieve a low carbon footprint and a traceable and transparent supply chain.


As a world-class solar products manufacturer, Seraphim specializes in research, development, production, and sales of solar PV products. Since its foundation in 2011, Seraphim has accomplished significant achievements in terms of production capacity and in the number of innovative designs. Seraphim upholds its belief that innovation is the key driver behind advancement by pursuing new technologies and higher efficiencies.

Seraphim is ranked as a Tier 1 module manufacturer by BNEF and a Top Performer by PVEL and with
a total capacity of 12GW in 2023, the company serves its global customers with high-quality products and professional services. As of the end of 2022, more than 20GW of Seraphim modules had been installed in over 100 countries



LONGi, founded in 2000, is a world leading solar technology organization. The company has had a long-term, unswerving commitment to monocrystalline technology, convinced, rightly, that its general adoption would bring about significant technological change for the whole PV industry.

With 15 manufacturing bases and more than 30 branches around the world, LONGi produces monocrystalline silicon wafers and modules, delivering solutions for distributed and ground mount power station systems, promoting the development of the global PV industry and driving energy transformation. The company’s shipments have been among the industry’s highest for a number of years and, in 2020, it became the first manufacturer to ship more than 20GW of modules in a year.

LONGi’s ongoing high investment in R&D is a significant contributory factor in its success and the company has been rapidly applying new technologies and processes to large-scale production, making important advances in cost control and efficient product innovation.

In 2020, LONGi became the first Chinese solar energy company to join the RE100, EV100, EP100 and SBTi initiatives, set up to promote zero-carbon solar and sustainable development.


TW (Tongwei) Solar (Module) is a wholly-owned subsidiary of the Tongwei company, the first PV manufacturer to be listed as a global Fortune Top 500 company.

It is a high-tech organisation committed to the in-depth R&D and intelligent manufacturing of high-efficiency PV modules. Based on its vertically integrated industrial layout, it has established a technology R&D operation with totally independent intellectual property rights, an industry-leading production and manufacturing system in terms of intelligence and digitization, a global marketing and business service system and four major production bases in the Chinese cities of Hefei, Jintang, Yancheng and Nantong. The company has more than 11,000 employees and will have a production capacity of 80GW by the end of 2023.

Yingli Solar is a smart PV energy solution provider integrating PV technology R&D and intelligent manufacturing with the development, construction and operation of power plants. Headquartered in Baoding, China, the company boasts over two decades of industry experience and a worldwide marketing network, providing customers with continuous green power across more than 100 countries and regions.



Founded in 2010, Akcome Optronics is a world-leading solar module manufacturer and part of the Akcome Holding Group. The company focuses on technological innovation and a customer oriented approach, providing high-efficiency and intelligent N-type cells and modules to a global customer base.

The company has four development bases and has established 11 overseas offices, with a sales and service network covering more than 80 countries and regions across five continents.

Part of the CHINT Group, Astronergy is a globally recognized cell and module manufacturer and, founded in 2006, was among the first private Chinese companies to enter the PV sector. A major player in the n-type TOPCon module field, the company has been ranked as a “Top Performer” by PVEL on no less than seven occasions and has a footprint in over 140 countries and regions worldwide, with offices in markets including Germany, Spain, the Netherlands, the US and Brazil.


Founded in 2008 and based in Denver, Colorado and Shanghai, China, Clean Energy Associates (CEA) is a North American-owned solar PV and battery storage quality assurance, supply chain management, and engineering services firm. With 175+ professionals, CEA provides engineering and technical support services for PV and battery storage:

  • Quality Control and Testing
    Supply Chain Management and Traceability
    Engineering and Design Services
    Supplier Ranking and Market Intelligence

CEA serves the needs of Project Developers, Independent Power Producers, Engineering – Procurement and Construction firms, Financial Institutions, and Operations/Maintenance firms. It is led by an experienced leadership team with a combined 1000+ years of PV and battery storage business experience and is supported by 130+ engineers, who help solve a broad array of clients’ needs to reduce technical and financial risk, and to increase system performance and reliability.


Founded in August 2018, DAS Solar is a high-tech company specializing in the research into and development, manufacture and sales of high-efficiency solar cells, PV modules and system applications.

As a leader in N-type technology, the company showcases two key products (N-type and lightweight modules) and three series of full-scenario PV system solutions (ecological, urban and offshore PV). It has also established a comprehensive domestic and overseas sales network, which has given it a footprint in over 60 countries and regions. With a production capacity of 30GW each for high-efficiency cells and modules planned for 2023, DAS Solar has become a leading top-tier brand in the PV market.


Dow supplies a variety of proven materials, chemistries and technologies used in the manufacture of solar equipment and operation of assets, focusing on high-quality materials solutions that will provide the performance, durability and reliability manufacturers and end users need. Leveraging more than 100 years of expertise, our technologies are enabling solar component manufacturers to explore novel and more efficient designs as well as providing end users with global reliability of supply to meet today’s and tomorrow’s renewable energy needs.

Headquartered in Hamburg, ENERPARC is a leading utility-scale photovoltaic company that covers the entire value chain. The services range from development over design, procurement and construction to operations and maintenance as well as asset management and energy trading. Founded in 2008, ENERPARC has become a global player with 400+ experienced employees and licensed partners in Spain, France, India, and Australia. ENERPARC has successfully commissioned projects with an overall capacity of 4,100 MW and is operating 3,000 MW. By 2030, ENERPARC’s goal is to develop a total of 10 GW of PV plants worldwide for its own portfolio and another 10 GW for third-party solar portfolios. enerparc.de/en

Huasun Energy is an innovative company specializing in the development and industrialisation of ultra-high efficiency HJT technology. Its excellent product performance and unique innovation capability has resulted in the company being ranked as a Tier 1 manufacturer by BNEF and a ‘Top Performer’ by PVEL.

With a current annual production capacity of 5.1GW, Huasun is the world’s largest HJT manufacturer, with plans to increase capacity to 20GW+ by the end of 2023, rising to 40GW+ in 2025.


JA Solar was founded in 2005. The company’s business ranges from silicon wafers, cells and modules to complete photovoltaic power systems, and its products are sold to 135 countries and regions. On the strength of its continuous technological innovation, sound financial condition, well-established global sales and customer service network, JA Solar has been highly recognized by authoritative associations in the industry as a leading global manufacturer of high-performance PV products.

  • ¥25.8 Billion Annual Sales Revenue (2020)
  • 79GW Cumulative Shipments (As of Q3, 2021)
  • 33,000 Clients Worldwide As of Q4, 2019)
  • 25,000 Employees (As of Q4, 2020)


Origami Solar is the developer of a patent-pending steel solar panel frame that will transform the solar industry through reduced material and manufacturing cost, high-speed domestic production, and dramatically lower greenhouse gas emissions. By sourcing steel from an established industry ecosystem, solar module manufacturers can eliminate supply chain constraints, accelerate the transition to carbon-free energy, and level the global playing field for module production.


PHONO is a leading global provider of solar products and services. It is affiliated to the SUMEC Group, itself a subsidiary of the Fortune 500 listed China National Machinery Industry Corporation (Sinomach). The company has established an excellent reputation over a number of years, winning numerous awards including PVEL’s ‘Top Performer’. PHONO has achieved a 100% green electricity production and consumption certification issued by China’s Quality Certification Center (CQC) and has been awarded Carbon Neutrality and Greenhouse Gas verification by TÜV SÜD.

PI Berlin provides expert technical diligence, procurement, and quality assurance services for a wide range of solar installers, integrators, project developers, utilities and investors in North America, Europe, Africa, the Middle East and Australia. We enable our clients to manage technical risk associated with the investment or procurement of PV equipment. We leverage direct relationships with PV module, inverter and battery manufacturers, apply our expertise to qualified manufacturers and independently verify quality, reliability, and performance.

Risen Energy was founded in 1986 and is a hi-tech PV module manufacturer. The company exports its products to more than 50 countries and regions around the world, including Europe, North America, South Africa and Southeast Asia, has over 45 core technologies and operates its own national level photovoltaic laboratory in China

The Runergy Groupfounded in 2013,is recognized as one of the industry’s most innovative technology companies, ranked among the top three globally for cell shipments for three consecutive years from 2020 to 2022. As of the end of 2022, the company’s global production capacity for large-size high-efficiency cells exceeded 25GW, with a module capacity of 3GW, the latter planned to reach 19GW during 2023. Runergy has a number of production bases, including in the Chinese cities of Ningxia, Yancheng, Jianhu and Yunnan and also operates a cell and module facility in Thailand.

Suncycle is a leading service provider in the photovoltaic industry. Specialized in quality assurance, maintenance and after sales of photovoltaic systems and components, international manufacturers, insurance companies, banks and investors worldwide trust in Suncycle. With more than 2 million tested and repaired modules, Suncycle has a unique wealth of experience in the industry. Suncycle covers all service requirements of the solar industry along the complete supply chain, with offices in key geographies: Germany, USA, Spain and China. With Engineering and Test Centre in Germany and Spain and Suncycle’s own mobile labs, the service teams provide expert know-how wherever is needed.

Founded in 1997, Trina Solar is a world leading provider of integrated PV based smart energy solutions. The company is engaged in the research and development, manufacture and sales of PV modules and system products and the operation of power plants, intelligent microgrids, multi-energy systems and energy cloud platforms. In June 2020, Trina Solar was listed on the Science and Technology Innovation Board (STAR Market) of the Shanghai Stock Exchange, becoming the first company providing PV products and systems to have gone public on the platform. The company currently has a footprint in more than 150 countries and regions around the world and, as of the first quarter of 2023, its cumulative module shipments had exceeded 140GW.