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Solarpro and LONGi collaborate on Europe’s largest back-contact solar plant

European leading EPC and O&M contractor of PV and BESS systems Solarpro is building what will be the largest solar power plant in Hungary, using photovoltaic modules from industry leader LONGi. Located in the northern county of Heves, the 450-megawatt project will deploy nearly 700,000 modules from LONGi’s ultra-efficient Hi-MO9 product series. The plant also marks an expansion of Solarpro’s partnership with LONGi, following a 176 MW solar park the two companies partnered on last year in Studina, Romania.

With a peak capacity of 450 MW, the new plant is expected to generate 470 gigawatt-hours (GWh) per year, enough electricity to power around 106,000 households annually.

Replacing fossil fuel use, the project’s clean energy output can reduce greenhouse gas emissions by 415,000 tons every year, the equivalent of removing over 100,000 gas-powered cars from the road.

Solarpro chooses LONGi’s back contact technology for watershed project

The Hi-MO9 solar module offers the plant the advantage of LONGi’s back contact (BC) technology, a complex engineering and design upgrade that reduces micro-cracking in the glass by 50% compared to traditional modules, increases electricity generation by up to 8%, and safeguards the module’s long-term performance – particularly under the sometimes-tough conditions present in northern rural Hungary, like high heat, dust, and cloud cover.

The 450 MW photovoltaic plant will be Hungary’s biggest

The BC module’s benefits also compound over the three decades of the product’s lifespan, meaning Solarpro’s new plant can anticipate more efficient production as well as more cost-effective, more reliable clean power for the area’s energy consumers.

Leon Zhang, President of LONGi Europe, said: “It’s an honour to supply Solarpro the modules for this landmark Hungarian project. In partnering with one of Europe’s leading project developers, we’re able to contribute to the region’s clean energy future and, at the same time, to set a new technological standard. At LONGi and Solarpro, we’re both committed to innovation and long-term sustainability, so we’re looking forward to continuing the cooperation.”

Krasen Mateev, CEO of Solarpro, said: “We are proud to join forces with LONGi once again on this major project in Hungary. At 450 MW, the solar plant will be Europe’s largest back-contact installation and a milestone in Solarpro’s mission to deliver reliable, high-efficiency clean energy across the region. The advanced technology of the Hi-MO9 was a clear choice to maximize the project’s performance and long-term reliability. By combining Solarpro’s EPC expertise with LONGi’s innovation, we are setting a new standard for utility-scale solar in Europe.”

About LONGi

Founded in 2000, LONGi is committed to being the world’s leading solar technology company, focusing on customer-driven value creation for full scenario energy transformation. Under its mission of ‘making the best of solar energy to build a green world’, LONGi has dedicated itself to technology innovation and established several business sectors, covering mono silicon wafers cells and modules, commercial & industrial distributed solar solutions, green energy solutions and hydrogen equipment.

The company has honed its capabilities to provide green energy and has more recently, also embraced green hydrogen products and solutions to support global zero carbon development.

About Solarpro

Solarpro is part of Renalfa Solarpro Group GmbH, a Vienna-based clean energy and e-mobility investment group with a focus on renewable energy generation assets.

As a multi-technology integrator, Solarpro specializes in developing and delivering hybrid projects that combine photovoltaic (PV), wind, battery energy storage systems (BESS), and hydrogen solutions. With 18 years of experience and a team of more than 1,500 professionals, the company has designed, built, and integrated over 12 GW of solar capacity and more than 4 GWh of battery storage systems.

A recognized technology innovator, Solarpro leads in the design and digitalization of renewable energy projects, turning them into flexible and manageable assets that align with the dynamic energy market. The company’s expertise has been acknowledged internationally, winning the award for Best EU Project under 100MW, for the first large-scale energy storage system in the region (55 MWh).

Driven by sustainability, Solarpro also invests in circular economy practices, advancing the recycling of PV modules and batteries to support the clean energy transition.

For more information, please contact us at [email protected]

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LONGi enters energy storage market, redefining industry standards with Ultimate Safety

LONGi, the global leader in solar technology, unveiled its energy storage strategy in London, officially announcing its entry into the storage sector with the launch of the LONGi Energy Storage One-Stop Solution. This marks LONGi’s strategic evolution from a global photovoltaic leader to an integrated Solar-Storage-Hydrogen comprehensive energy solution provider.

Addressing the challenge of the projected doubling of global electricity demand by 2050, Dennis She, Vice President of LONGi, introduced for the first time the Stability Triangle energy framework centered on solar, energy storage, and hydrogen energy.

“Solar is the creator of clean energy, energy storage is the stabilizer of the power system, and hydrogen is the regulator that balances it all,” Mr. She stated to energy experts and investors from around the world. “The synergy of these three will build a truly widespread, highly resilient, and affordable zero-carbon energy system.”

From Solar to Solar-Storage-Hydrogen: building a Stability Triangle energy framework

Currently, LONGi possesses leading technologies in PV and hydrogen energy – with its HIBC cell efficiency reaching 27.81% and its ALK electrolyzer capacity ranking first globally.

This expansion into energy storage signifies the further enhancement of LONGi’s strategic layout, fully forming a closed-loop across the entire Solar-Storage-Hydrogen value chain.

Breaking new ground with Ultimate Safety: reshaping the logic of competition in energy storage

Energy storage is a crucial piece in the renewable energy system, and the industry is shifting from policy-driven to market-driven growth.

Dennis She pointed out, “The current development stage of the energy storage industry is very similar to the early days of solar – confidence-driven rapid growth, but also bringing disorderly competition. The future dimension of competition in energy storage has evolved from ‘having the technology’ to ‘value reliability.’”

He emphasized, “Safety, reliability, and stability are the yardsticks for measuring energy storage solutions, and are also the cornerstone for winning the long-term trust of the market and customers.”

To uphold the value proposition of Ultimate Safety, LONGi has chosen to engage in deep collaboration with PotisEdge, an expert in energy storage safety. Adhering to a three-pillar technical architecture of “intrinsic safety, active defense, and intelligent early warning,” and through its fully self-developed 5S energy storage system with unique BMS and iCCS designs, PotisEdge has maintained a safety record of “zero thermal runaway” incidents across more than 12 GWh of cumulative energy storage and power battery systems over the past decade. This will provide solid technical support for LONGi’s energy storage solutions.

Establishing the first Solar-Storage Technology Innovation Center in Europe

To accelerate Europe’s energy transition, LONGi officially announced the establishment of its first Solar-Storage Technology Innovation Center (Center of Excellence, CoE) in Europe. This center will integrate core functions including project consulting, technical training, O&M support, and spare parts services, dedicated to providing European customers with rapid-response, full-lifecycle localized professional services, comprehensively ensuring the safety, reliability, and long-term returns of integrated solar-storage assets.

Choosing London for this global strategy launch underscores LONGi’s high regard for the European market. “Europe’s urgent need for energy transition and its mature market mechanisms provide an ideal platform for practicing integrated Solar-Storage-Hydrogen solutions,” Mr. She stated during the launch.

The LONGi Energy Storage Solution will be deployed first in key markets such as the UK, Germany, Italy, and Spain, helping utilities and power companies build smarter and more efficient clean energy systems. In the future, LONGi will continue to explore viable pathways for the global zero-carbon transition through its Solar-Storage-Hydrogen integration strategy, working hand-in-hand with all parties towards a sustainable future powered by renewable energy.

About LONGi

Founded in 2000, LONGi is committed to being the world’s leading solar technology company, focusing on customer-driven value creation for full scenario energy transformation. Under its mission of “making the best of solar energy to build a green world”, LONGi has dedicated itself to technology innovation and established several business sectors, covering mono silicon wafers cells and modules, commercial & industrial distributed solar solutions, green energy solutions and hydrogen equipment.

The company has honed its capabilities to provide green energy and has more recently, also embraced green hydrogen products and solutions to support global zero-carbon development.

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LONGi and Nofar Energy forge landmark partnership for Romania’s largest solar project using revolutionary BC technology

LONGi Solar, the global leader in solar innovation, and Israel’s premier renewable energy developer Nofar Energy have announced a historic partnership to develop one of Romania‘s largest solar installations – the 282 MW Corbii Mari project in Dâmbovița county. This pathbreaking collaboration will deploy over 430,000 Hi-MO 9 BC modules, establishing back contact technology as Europe’s definitive solution for utility-scale energy transformation while marking Nofar’s most ambitious international venture to date.

The Corbii Mari photovoltaic project of 282 MW will go into production in 2026. It represents a dual milestone in Europe’s renewable transition. As Nofar Energy’s largest overseas IPP investment, it anchors the Israeli leader’s strategic expansion into European markets. Simultaneously, the installation stands as Romania’s largest BC deployment, leveraging Hi-MO 9’s industry-leading 24.8% efficiency to overcome the region’s climatic challenges. The project’s seamless execution demonstrates how the BC technology of LONGi Solar delivers unparalleled bankability for developers navigating Europe’s complex energy landscape.

The two companies have agreed to deploy more than 430,000 Hi-MO 9 BC modules.

Leon Zhang, President of LONGi Europe, emphasized the project’s transformative impact: “Corbii Mari transcends conventional solar deployments – it’s a powerful validation that BC technology has matured into Europe’s utility-scale foundation. By choosing Hi-MO 9 for their flagship European venture, Nofar Energy demonstrates how visionary partners are accelerating the energy transition through technological leadership.”

The 282 MW Corbii Mari initiative positions back contact modules as Europe’s utility-scale standard

Mirel Jarnea, Strategic Accounts Manager SEE of LONGi Europe, added: “Nofar’s selection of Hi-MO 9 is a testament to the global energy sector’s recognition of BC technology as the ultimate frontier in solar innovation. This partnership reaffirms our commitment to delivering solutions that redefine efficiency, durability, and sustainability.”

Setting benchmark for sustainable innovation

Favi Stelian, Managing Partner Romania of Nofar Energy, stated: “The Corbii Mari project represents a defining moment for Nofar Energy’s European vision. By partnering with LONGi and deploying Hi-MO 9 BC technology, we are not only delivering Romania’s largest solar initiative but also setting a new benchmark for sustainable innovation across the continent.”

The project harnesses Hi-MO 9’s revolutionary back contact architecture to achieve exceptional performance in Romania’s variable climate. The modules’ temperature resilience and 30-year degradation guarantee ensure consistent energy generation, while the ultra-high power output minimizes land use – preserving Dâmbovița county’s agricultural ecosystems.

With an estimated annual output of 380 GWh, Corbii Mari will displace 220,000 tonnes of carbon emissions annually, equivalent to removing 48,000 combustion-engine vehicles from roads while powering over 50,000 Romanian households.

Positioned at the vanguard of Eastern Europe’s energy transition, Corbii Mari establishes a replicable model for Nofar’s expanding multi-GW European pipeline. The collaboration signals accelerating regional adoption of BC technology, with project insights informing solar development across emerging markets where efficiency and bankability are paramount.

About LONGi

Founded in 2000, LONGi is committed to being the world’s leading solar technology company, focusing on customer-driven value creation for full scenario energy transformation.

Under its mission of Making the Best of Solar Energy to Build a Green World, LONGi has dedicated itself to technology innovation and established several business sectors, covering mono silicon wafers cells and modules, commercial and industrial (C&I) distributed solar solutions, green energy solutions and hydrogen equipment. The company has honed its capabilities to provide green energy and, more recently, also embraced green hydrogen products and solutions to support global zero-carbon development.

About NOFAR Energy

Founded in 2011, Nofar Energy is a global leader in renewable energy investments. Since 2020, Nofar has been a public traded company (TASE: NOFR) at the Tel Aviv Stock Exchange. For the last 12 years, Nofar has been growing rapidly and consistently, with an extensive portfolio of projects and subsidiaries across nine territories, 200 employees worldwide, and major renewable energy and energy storage projects.

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LONGi ignites Romania’s energy transition with 54.1 MW BC technology triumph

A solar power plant in Romania’s northwest is on schedule to be connected to the grid in the fourth quarter of this year. The 54.1 MW facility in Chișineu-Criș features LONGi Solar’s back contact or BC modules, with an efficiency of 24.8%. It is the largest solar installation for retail infrastructure in the country.

LONGi Solar, a global leader in solar technology, has deployed 54.1 MW of its Hi-MO 9 back contact (BC) modules at the CEF Chișineu-Criș solar park in Romania’s Arad county. Developed for NEPI Rockcastle and its subsidiary Solpower Energy, and engineered by engineering, purchase and construction (EPC) partner Enevo Group, this utility-scale project – Romania’s largest solar installation for retail infrastructure – will positively impact the direct pathway for decarbonization at NEPI Rockcastle’s property portfolio in Romania, showcasing BC technology’s pivotal role in grid-scale renewable transitions.

The Chișineu-Criș facility, features 84,000 Hi-MO 9 modules, strategically deployed to maximize energy autonomy for NEPI Rockcastle’s retail assets in Romania. The plant, located in the country’s northwest, has been in full ownership of the leading owner and developer of shopping centers across Central and Eastern Europe since last year.

Hi-MO 9 has unmatched performance

Construction started in January 2025, and it remains on schedule for a grid connection in the fourth quarter. The project exemplifies BC technology’s scalability, with Hi-MO 9’s 24.8% module efficiency and -0.26%/°C temperature coefficient, ensuring optimal performance in Romania’s continental climate.

“This project exemplifies how BC technology transforms utility-scale solar into a reliable backbone for major infrastructure. Hi-MO 9’s unmatched performance ensures NEPI Rockcastle’s portfolio achieves energy stability,” stated Mirel Jarnea, Country Manager Utility Scale Business Unit of LONGi.

Faced with Romania’s grid limitations and land efficiency demands, Hi-MO 9’s back contact architecture eliminated front-grid shading losses to achieve 8% higher yield versus TOPCon products. Its PID/LID resistance guarantees 30-year performance stability – critical for NEPI Rockcastle’s long-term asset strategy – while minimizing maintenance costs across the 54.1 MW site.

Eduard Meiloiu, Executive Director Renewables BU of ENEVO, said: “Our collaboration with LONGi has been seamless from start to finish, reflecting a truly efficient and aligned partnership. BC technology brought clear engineering advantages – from higher efficiency and improved thermal performance to long-term reliability. Our engineering team greatly appreciated the precision and flexibility of the solution, which enabled us to deliver a robust project tailored to local conditions and fully aligned with Romania’s sustainability goals.”

Project to create over one hundred local jobs

This project is expected to generate around 70,171 MWh of clean electricity each year, which is enough to power approximately 29,300 Romanian homes. In doing so, it will also help avoid around 21,100 tons of CO₂ emissions annually, as contribution to climate goals.

Beyond environmental benefits, the project will create over 100 local jobs and give priority to regional contractors, boosting the local economy. By aligning climate mitigation with local economic development, this utility-scale solar initiative highlights how renewable infrastructure can meaningfully contribute to emissions reduction and socio-economic resilience.

Radu: NEPI Rockcastle’s photovoltaic project pipeline will enable it to generate 6% of its portfolio’s electricity needs

“NEPI Rockcastle’s green energy program is advancing through three major stages, reflecting our long-term commitment to sustainability and decarbonization. We’re investing EUR 110 million in new photovoltaic projects, including solar panel installations across 23 properties in CEE and greenfield developments in Romania totaling 159 MW in capacity. These efforts already enable us to generate 6% of our portfolio’s electricity needs and will help us reach our target of 84% renewable electricity usage. As part of this program, we partnered with LONGi specifically for the Chișineu-Criș solar project, where their high-efficiency photovoltaic modules are helping us deliver a flagship utility-scale development in Romania. This collaboration supports our strategic goal of enhancing the use of electricity from renewable sources and energy autonomy of our retail assets,” concluded Andrei Radu, Group Development Director at NEPI Rockcastle.

As Eastern Europe’s premier solar portfolio directly powering retail infrastructure, CEF Chișineu-Criș establishes a replicable model for large-scale renewable integration. With NEPI Rockcastle planning expansion across its property network, LONGi’s BC technology stands ready to accelerate Europe’s utility-scale revolution.

About NEPI Rockcastle

NEPI Rockcastle is Europe’s third-largest listed retail real estate company by investment portfolio value and the largest owner, operator, and developer of shopping centers in Central and Eastern Europe (CEE). The company’s EUR 8 billion portfolio is located across eight CEE countries and includes 60 properties. It is a market leader in Romania and Poland (NEPI Rockcastle’s two largest markets) and has shopping centers in Bulgaria, Hungary, Slovakia, Croatia, the Czech Republic, and Lithuania.

About LONGi

Founded in 2000, LONGi is committed to being the world’s leading solar technology company, focusing on customer-driven value creation for full scenario energy transformation.

Under its mission of “making the best of solar energy to build a green world,” LONGi has dedicated itself to technology innovation and established several business sectors, covering mono silicon wafers, cells and modules, commercial and industrial distributed solar solutions, green energy solutions and hydrogen equipment. The company has honed its capabilities to provide green energy and has, more recently, also embraced green hydrogen products and solutions to support global zero-carbon development.