First Solar sues JA Solar and American Panel Solutions over TOPCon patents
The largest U.S. solar manufacturer has escalated its legal push against imported TOPCon cell technology, filing a patent infringement suit in federal court against China’s JA Solar and Corning subsidiary American Panel Solutions.
9 hours ago
Next2Sun files for insolvency for two subsidiaries
German vertical PV specialist Next2Sun has filed for self-administered insolvency proceedings for two subsidiaries after failing to secure €5 million in fresh capital. The company says project development activities will continue, while it seeks new investors and explores restructuring options.
9 hours ago
Perovskite may leak less lead than lead-solder silicon, say scientists
A model of perovskite deployment in China to 2060 finds that lead is no barrier to commercialization if properly managed, but warns that exported modules could shift a disproportionate share of leakage to tropical developing countries.
10 hours ago
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‘I have become less tolerant of the high-five lad culture’
This week Women in Solar+ Europe gives voice to Liz Cammack, CEO of UK’s Cammack Consultancy Ltd. She says diversity and intentional inclusion are essential to innovation, requiring leaders to look beyond familiar talent pools, challenge bias with evidence, and build teams with genuinely different skills and perspectives. Drawing on her own career, mentors and experiences, she encourages women to reject cultures that limit them, embrace every opportunity to learn, and build strong networks that help others succeed too.
Oct 02, 2026
England and Wales lead western Europe’s record summer irradiance
In a new weekly update for pv magazine, Solcast, a DNV company, reports that Western Europe saw its strongest summer solar resource since at least 2007 in 2026, with GHI 6.9% above average and England and Wales nearly 16% above average. Persistent heat domes brought clear, hot, and exceptionally dry conditions, with temperatures over 2 C above average and severe rainfall deficits, particularly in July.
Oct 02, 2026
Sodium-ion batteries: the next frontier or the next risk?
While sodium-ion offers a compelling long-term solution to flattening LFP cost curves and tight supply chains, its lack of field-validated performance data transfers significant technology and bankability risks directly onto developer balance sheets.
Oct 01, 2026
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France hits record 800 hours of negative, zero electricity prices
France has recorded around 800 hours of negative or zero electricity prices in 2026, as growing market volatility creates new opportunities for battery storage. Storio Energy says widening daily price spreads have boosted battery spot-market revenues, amid lower nuclear, wind and hydropower output.
Perovskite-silicon tandem solar cell built on textured silicon reaches 30.77% efficiency
Chinese researchers have developed a healing treatment to improve perovskite film quality on industrial textured silicon for perovskite-silicon tandem solar cells. The approach enabled a certified tandem efficiency of 30.77% while improving device stability.
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Socket to the sun
Ten states in the United States have passed laws permitting plug-in solar, with more to follow imminently. Low-income households, renters and temporary workers under pressure from high electricity bills are welcoming plug-in solar as a low-cost, portable and convenient solution. Precise business models have yet to emerge and there are technical and regulatory teething problems to address, as industry figures tell pv magazine.
19 hours ago
Middle market momentum
The rollback of policies favoring renewable energy deployment in the United States is contributing to an energy affordability crisis in many communities, according to Jon Powers, president of Clean Capital, a US independent power producer (IPP) active in the distributed generation segment. He spoke with pv magazine to warn fellow industry veterans that now is the time to ramp up solar deployment advocacy as elections loom and energy prices become a bipartisan issue.
Oct 03, 2026
Age awareness for BESS
As the use cases for battery energy storage systems (BESS) evolve, so does the way the batteries are operated. How these changes affect BESS lifetime and reliability is a question the industry needs answered, and one the International Energy Agency’s Photovoltaic Power Systems Programme (IEA-PVPS) is working to address. Erik Marstein, director of Norwegian PV Research Center FME Solar, outlines the results of recent research into BESS reliability and how asset owners can take system aging into account in daily operations.
Oct 02, 2026
Module cooling: too hot to handle
Even after the record-breaking heat waves of this summer and associated performance losses at PV plants across the northern hemisphere, active cooling for solar arrays remains a difficult market prospect. Developers might be a bit more interested in preventing temperature-related losses, but in most cases, the numbers still don’t quite add up.
Oct 01, 2026
Everything’s bigger in Texas
By almost any measure, the story of solar power in Texas has been one of astounding success. The state is by far the country’s fastest-growing solar market. The Solar Energy Industries Association (SEIA) records nearly 54 GW of solar and more than 29 GWh of batteries have been installed, while Texas is also growing into a vital hub for the US solar manufacturing industry, as Ben Zientara reports.
Sep 30, 2026
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Waaree Power ramps up string inverter manufacturing capacity to 4.15 GW
Waaree Energies’ subsidiary Waaree Power has commenced commercial production on a new solar inverter manufacturing line with an annual capacity of 1.1 GW at its facility in Sarodhi, Valsad, Gujarat. The expansion takes Waaree Power’s total string inverter manufacturing capacity to 4.15 GW.
16 hours ago
The Hydrogen Stream: PV-driven H2 plant commissioned in southern Italy
In other news, Oregon State University researchers demonstrated photocatalytic hydrogen production without a cocatalyst, while Spain and Germany advanced hydrogen infrastructure and funding programs. Plug Power signed a 280 MW electrolyzer deal for a Danish e-fuels project, and Thyssenkrupp Nucera secured a new chlor-alkali technology order in China.
Oct 02, 2026
France hits record 800 hours of negative, zero electricity prices
France has recorded around 800 hours of negative or zero electricity prices in 2026, as growing market volatility creates new opportunities for battery storage. Storio Energy says widening daily price spreads have boosted battery spot-market revenues, amid lower nuclear, wind and hydropower output.
Oct 02, 2026
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AIKO
9 hours ago
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GameChange
16 hours ago
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SunWiz
Oct 02, 2026
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Canadian Solar
Oct 01, 2026
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Module cooling: too hot to handle
Even after the record-breaking heat waves of this summer and associated performance losses at PV plants across the northern hemisphere, active cooling for solar arrays remains a difficult market prospect. Developers might be a bit more interested in preventing temperature-related losses, but in most cases, the numbers still don’t quite add up.
Oct 01, 2026
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First Solar sues JA Solar and American Panel Solutions over TOPCon patents
The largest U.S. solar manufacturer has escalated its legal push against imported TOPCon cell technology, filing a patent infringement suit in federal court against China’s JA Solar and Corning subsidiary American Panel Solutions.
9 hours ago
Digital twin tech offers ‘anti-involution’ strategies for China’s PV industry
Researchers in China have developed a digital twin-based simulation framework to help PV manufacturers counter excessive price competition and declining profitability. The study found that combining moderate price increases with higher R&D investment could improve financial performance and long-term competitiveness, although the results remain unvalidated in real-world operations.
11 hours ago
Baxi releases 50-170 kW propane heat pumps
Baxi has launched its Auriga HP+ and HP+ ES commercial air-to-water heat pumps, offering capacities of up to 170 kW with propane as the refrigerant. The reversible units can provide heating, cooling and domestic hot water, with leaving water temperatures of up to 70 C and operation down to -20 C.
Oct 02, 2026
A closer look at Marstek’s 5 kWh plug-in battery
Marstek is targeting European markets with its Venus plug-in solution that is scalable to 9kW/15kWh. The Chinese manufacturer confirmed it is working with UK energy management providers on deeper integration to support optimization for home owners.
Oct 01, 2026
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Socket to the sun
Ten states in the United States have passed laws permitting plug-in solar, with more to follow imminently. Low-income households, renters and temporary workers under pressure from high electricity bills are welcoming plug-in solar as a low-cost, portable and convenient solution. Precise business models have yet to emerge and there are technical and regulatory teething problems to address, as industry figures tell pv magazine.
19 hours ago
Next2Sun files for insolvency for two subsidiaries
German vertical PV specialist Next2Sun has filed for self-administered insolvency proceedings for two subsidiaries after failing to secure €5 million in fresh capital. The company says project development activities will continue, while it seeks new investors and explores restructuring options.
9 hours ago
Enerparc attracts more than 100 potential investors as insolvency sale moves forward
More than 100 potential investors have expressed interest in insolvent German solar developer Enerparc, with initial bids already submitted and a first transaction targeted for December. The sale could include solar portfolios, project pipelines and key subsidiaries, while financing challenges and potential creditor losses remain unresolved.
15 hours ago
Waaree Power ramps up string inverter manufacturing capacity to 4.15 GW
Waaree Energies’ subsidiary Waaree Power has commenced commercial production on a new solar inverter manufacturing line with an annual capacity of 1.1 GW at its facility in Sarodhi, Valsad, Gujarat. The expansion takes Waaree Power’s total string inverter manufacturing capacity to 4.15 GW.
16 hours ago
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Fighting coastal corrosion
Salt in the air can wreak havoc with projects that lack the necessary corrosion resistance, proving costly for asset owners or the engineering, procurement and construction (EPC) companies that built them. Alexander Gebert, sales director at Tobsteel, argues that quality stainless steel fasteners can save costs for solar investors and engineering, procurement and construction (EPC) contractors in the long run.
Sep 25, 2026
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Securing power, controlling costs: How onsite solar and storage shield commercial users from grid volatility
In an era of rising utility rates, grid congestion, and shifting power markets, commercial and industrial companies are increasingly turning to distributed generation. Mary Beth Mandanas, chief executive officer of Onyx Renewables breaks down how onsite solar and battery storage provide a physical hedge against gas price swings, lower structural energy costs, and deliver crucial speed to power.
17 hours ago
Spain’s first pre-commercial marine solar demonstrator enters testing
BlueNewables has installed a 1 MW offshore floating solar demonstrator at the Port of Valencia, Spain, and has begun testing the system. The project comprises two 500 kW PV-bos platforms designed to assess the technology’s performance, operation and maintenance requirements, and integration into port infrastructure under real-world conditions.
Oct 02, 2026
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Age awareness for BESS
As the use cases for battery energy storage systems (BESS) evolve, so does the way the batteries are operated. How these changes affect BESS lifetime and reliability is a question the industry needs answered, and one the International Energy Agency’s Photovoltaic Power Systems Programme (IEA-PVPS) is working to address. Erik Marstein, director of Norwegian PV Research Center FME Solar, outlines the results of recent research into BESS reliability and how asset owners can take system aging into account in daily operations.
Oct 02, 2026
Perovskite may leak less lead than lead-solder silicon, say scientists
A model of perovskite deployment in China to 2060 finds that lead is no barrier to commercialization if properly managed, but warns that exported modules could shift a disproportionate share of leakage to tropical developing countries.
10 hours ago
Silver-nickel contacts cut TOPCon rear metallization costs by 11%
Chinese researchers developed a screen-printed silver-nickel paste that reduces rear-side metallization costs by approximately 11%. The optimized formulation achieved an average cell efficiency of 26.67% in a production trial, with a champion device reaching 26.87%.
13 hours ago
Perovskite solar cell based on Prussian blue achieves 26.9% efficiency
Chinese researchers have used Prussian Blue nanoparticles to improve the efficiency and stability of perovskite solar cells, achieving efficiencies of up to 26.9%. The approach also enabled the fabrication of large-area modules with certified efficiencies of 22.9% and promising results in accelerated aging and outdoor stability tests.
14 hours ago
The case for railway-integrated solar in South Korea
South Korea’s extensive railway network could provide new space for solar generation in densely populated areas where land availability is limited. Researchers have investigated the potential of installing PV systems between railway tracks, finding that suitable sections of five surface railway corridors could host more than 8.5 MW of solar capacity.
Oct 03, 2026
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AIKO
9 hours ago
Press Release
GameChange
16 hours ago
Press Release
SunWiz
Oct 02, 2026
Press Release
Canadian Solar
Oct 01, 2026
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Tongwei launches TNC 2.0 FULLX G12R-48 rooftop solar module with 24.5% efficiency
Unveiled at Solar & Storage Live UK, the new module combines high power output, strong energy yield, and broad adaptability in a compact format, delivering up to 490 W with an efficiency of 24.5%.
Sep 28, 2026
Technology & Products
Sponsored
Midea Energy debuts broad storage portfolio at Solar & Storage Live UK
The company introduced its all-in-one ESS, standalone ESS, and intelligent energy management systems to the UK market for the first time and signed an exclusive UK distribution agreement with Project Better Energy.
Sep 24, 2026
Technology & Products
Sponsored
Sungrow brings PowerHarbor to Benelux homes for more value, less complexity
With net metering ending in the Netherlands on January 1, 2027, households with rooftop solar are rethinking how to use the electricity they generate. PowerHarbor is designed for homeowners considering storage.
Sep 23, 2026
Technology & Products
Sponsored
POWEROAD FLEX 261 Series passes large-scale fire test conducted to C800 and UL 9540A
The FLEX 261 Series – including FLEX 261, FLEX 261 AIO, and FLEX 261 AIO-3S – completed a Large-Scale Fire Test (LSFT) under CSA C800 and UL 9540A standards, with results showing no flame propagation to target BESS units.
Sep 22, 2026
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