Articles written by Marian Willuhn

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Applications & Installations
Biwatt launches commercial sodium-ion energy storage product Biwatt has unveiled a 155 kWh sodium-ion battery energy storage system (BESS) for commercial and industrial (C&I) customers.
Marian Willuhn
May 15, 2025
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Applications & Installations
pv magazine Focus: Manufacturers, installers, scientists discuss EMS Installers, manufacturers, scientists and users at the Smarter E Europe event – held last week in Munich, Germany – discussed PV home storage, energy management systems (EMS), and key challenges in the implementation of Germany’s new solar provisions.
Marian Willuhn
May 12, 2025
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Applications & Installations
Swiss researchers developing control algorithm for grid-forming inverters Researchers at ETH Zurich have patented a grid-forming inverter algorithm that stabilizes frequency while protecting devices from damage by independently controlling frequency, voltage, and current.
Marian Willuhn
Apr 18, 2025
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Applications & Installations
Tesvolt presents 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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Applications & Installations
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 26, 2025
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Applications & Installations
‘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 24, 2025
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Applications & Installations
Triple Solar unveils PVT-assisted heat pump using waste heat from PV Triple Solar BV has developed a residential photovoltaic-thermal (PVT) heat pump that uses waste heat from PV modules, eliminating the need for an outdoor unit.
Marian Willuhn
Mar 19, 2025
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Markets & Policy
German wholesalers hit by six-figure losses from new solar module scam Suspected fraudsters are using false identities to claim they are interested in solar modules. The wholesalers typically respond by delivering the requested products, but the scammers never actually pay for their orders. These are not isolated cases, as a clear pattern has emerged.
Marian Willuhn
Feb 04, 2025
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Markets & Policy
EMPA develops 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