Author

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

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Distributed

Dutch manufacturer Atmoce launches retrofit-ready home battery The company is targeting older home PV arrays with its M-ELV product, which does not require replacement of solar inverters.

Marian Willuhn

May 07, 2025

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Fire risk and safety

Balcony-battery manufacturer says cells were not responsible for German fire Zendure has issued a statement following an investigation into the cause of a fire in Neuenhaus, Lower Saxony. The manufacturer stated battery cells were not the cause.

Marian Willuhn

Apr 24, 2025

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Fire risk and safety

Balcony battery storage system catches fire in German home In Lower Saxony, a battery energy storage unit reportedly triggered a fire in a residential building. The lithium iron phosphate (LFP) system reportedly caught fire, for reasons that are unclear.

Marian Willuhn

Apr 01, 2025

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Revenue streams

Tesvolt launches new C&I battery storage system with 15 year performance guarantee With two cycles per day, the Forton can be loaded without voiding its 15-year performance guarantee. That opens the possibility of trading on the electricity market, enabling companies to recoup their investment more quickly.

Marian Willuhn

Mar 26, 2025

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Supply chain

German home battery sales collapse but larger systems on the rise German energy storage sales are shrinking, especially home systems, but commercial and industrial (C&I) and utility-scale numbers are rising and the Federal Association of Energy Storage Systems (BVES) wants faster permitting and better regulation.

Marian Willuhn

Mar 25, 2025

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Policy

‘Without energy storage, renewables are not serious power plants’ Chinese inverter and energy storage maker Sungrow invited 300 guests from 20 European countries to its ESS [energy storage system] Experience Day event in Munich, Germany. Discussions focused on energy storage, projects, market figures, and the energy transition. The conclusion: More storage and grid expansion are needed.

Marian Willuhn

Mar 21, 2025

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Revenue streams

Enspired, Volytica work battery aging into energy storage trading algorithm Enspired has joined hands with battery diagnostic service provider Volytica to include degradation in its trading optimization services.

Marian Willuhn

Jan 30, 2025

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R&D

Researchers in Switzerland develop biodegradable fungi battery A team from the Swiss Federal Laboratories for Materials Science and Technology (Empa) has developed a 3D-printed battery. Fungi are used as anode and cathode with one releasing electrons during metabolism and the other able to absorb them.

Marian Willuhn

Jan 27, 2025

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Products & Services

Solarwatt shows new photovoltaic home storage system The system comes as a stackable battery and can be flexibly configured as an alternating-current (AC) or direct-current (DC) variant. The battery can only be combined with Solarwatt inverters. There is also an emergency power function.

Marian Willuhn

Nov 21, 2024