Author
Marian Willuhn
Marian Willuhn

Marian Willuhn

Covering online news on the German market and editing the German print issue since 2021, Marian has been writing about power electronics for pv magazine’s global website and monthly print magazine since 2018.

Articles written by Marian Willuhn

View article
Prolux Solutions recalls vanadium redox flow home storage systems and switches to LFP Germany's Prolux Solutions is recalling all its Storac home energy storage systems and phasing out vanadium redox flow technology. The company will instead rely on lithium iron phosphate in the future.
Marian Willuhn
Dec 05, 2025
View article
German regulator drafts plan for energy storage systems to charge from the grid without losing subsidy The Federal Network Agency has presented a draft proposal for the market integration of storage systems and electric vehicle (EV) charging points. Under the plan, battery storage systems and EVs would no longer have to be powered exclusively by renewable electricity to benefit from Erneuerbare-Energien-Gesetz (EEG) subsidies.
Marian Willuhn
Sep 23, 2025
View article
SMA receives first certificate for grid-forming battery inverter with instantaneous reserve SMA claims to be the first company in Germany to receive confirmation of the technology. It paves the way for use in projects that want to participate in the new instantaneous reserve market, due to start in 2026.
Marian Willuhn
Sep 10, 2025
View article
University of Münster develops recycling process for dry-processed lithium-ion batteries Researchers at the University of Münster have developed a mechanical recycling process for production scrap from the dry processing of lithium-ion batteries. The method operates without solvents, preserves material properties, and allows the recycled cathode powder to be directly reused in electrode manufacturing.
Marian Willuhn
Aug 18, 2025
View article
New battery manufacturer with European software: GAZ Energy builds factory in Czech Republic A new production line for battery storage systems is being built in eastern Czechia. Several partners from Germany and the Czech Republic have joined forces for the project. According to their own statements, the driving motivation is cybersecurity. They aim to equip their batteries with in-house control systems to better protect them against attacks. This could help counter concerns about the high degree of Chinese integration in Europe’s energy infrastructure.
Marian Willuhn
Jul 28, 2025
View article
BBDF 2025: Understanding BESS project bankability Financing remains one of battery energy storage system's (BESS) biggest talking points, as bankability, risk mitigation, insurance, and more.
Marian Willuhn
Jul 16, 2025
View article
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
View article
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
View article
Varta CEO: ‘We wanted too much in too short a time’ Michael Ostermann, who last year took over as CEO of German battery giant Varta AG, tells pv magazine about guiding the company through its financial restructure, the causes of the crisis, and returning the brand to a position of strength.
Marian Willuhn
Jun 11, 2025