Articles written by Marian Willuhn

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Applications & Installations
BBDF 2025: Flexible grid access opens up new paths for battery storage in Germany Flexible connections, better optimization, and theneed for better cooperation between parties for grid connections were all hot topics in the German-focused second session of the event.
Marian Willuhn
Jul 16, 2025
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Applications & Installations
BBDF 2025: Europe’s battery market is still immature From the floor of the Battery Business & Development Forum 2025, the first session delivered insights around investment strategies in battery energy storage systems across Europe and the UK.
Marian Willuhn
Jul 16, 2025
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Markets & Policy
European Patent Office backs Borealis in POE encapsulation dispute The European Patent Office has ruled that Borealis AG can continue producing polyolefin encapsulation (POE) material for solar applications, rejecting a patent challenge by Japan’s Mitsui Chemicals.
Marian Willuhn
Jul 07, 2025
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Applications & Installations
China’s SNEC 2025 show highlights PV industry resilience, storage growth Chinese solar manufacturers showed resilience at the 2025 SNEC PV Power Expo in Shanghai despite a deepening supply glut, as strong demand for energy storage and emerging technologies offset a steep drop in new PV module launches. Tunnel oxide passivated contact (TOPCon) stayed dominant, while back-contact, perovskite, and lithium iron phosphate (LFP) storage solutions gained traction.
Emiliano Bellini, Marian Willuhn
Jun 12, 2025
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Applications & Installations
Green Flexibility to develop 80 MWh battery for German grid project Grid companies LEW Verteilnetz and Bayernwerk have launched a pilot project to feed renewable energy into the electricity network in a more grid-friendly manner. One of the energy storage sites to be used in the project will come from Green Flexibility.
Marian Willuhn
Jun 10, 2025
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Applications & Installations
France’s Socomec launches battery monitoring software France’s Socomec has introduced an AI-backed battery monitoring platform to improve maintenance for commercial energy storage systems.
Marian Willuhn
Jun 03, 2025
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Applications & Installations
Q3 Energy presents string combiner box with fault detection Q3 Energie showcased a new string combiner box at Intersolar Europe 2025. The generator junction box can detect and isolate faults in photovoltaic systems.
Marian Willuhn
May 22, 2025
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Applications & Installations
Hottest inverter and storage trends 2025 with Cormac Gilligan Join Cormac Gilligan, Associate Director of Clean Energy Technology at S&P Global Commodity Insights, and Marian Willuhn, Senior Editor, pv magazine, as they walk through the halls of The Smarter E Europe 2025 in Munich, exploring the latest trends in the power electronics field. In this video, Cormac shares insights from major inverter manufacturers, including Sungrow, Solis, GE Vernova, Solaredge, and Gamesa.
Marian Willuhn
May 21, 2025
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Research & Development
Solar Module Quality Trends 2025 with Tristan Erion-Lorico Tristan Erion-Lorico, VP sales and marketing at Kiwa PVEL, spoke with pv magazine Editor Marian Willuhn at Intersolar Europe 2025 about rising module failures in lab tests this year, citing glass breakage and UV degradation in tunnel oxide passivated contact (TOPCon) modules as key quality concerns.
Marian Willuhn
May 20, 2025