Articles written by Marian Willuhn

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Applications & Installations
SolarEdge launches Nexis hybrid inverter and high-voltage battery for residential PV The Nexis solution combines a flexibly configurable hybrid inverter with a modular high-voltage battery offering up to 14 kW charging capacity per stack. The inverter delivers 8–20 kW AC power, supports up to 200% DC oversizing, and features IP65-rated design with integrated backup power.
Marian Willuhn
Mar 23, 2026
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Applications & Installations
Norwegian firm introduces fire-resistant membrane for rooftop solar Norwegian fire safety specialist Bridgehill has developed a fire-resistant roofing membrane designed for use beneath rooftop PV systems. The company says the product is intended to limit heat transfer and flame spread in commercial and industrial installations subject to strict fire safety and insurance requirements.
Marian Willuhn
Feb 10, 2026
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Technology & Products
Switzerland to host world’s largest redox flow storage project Flexbase plans to build a 500 MW redox flow battery energy storage project in Switzerland in early 2025.
Marian Willuhn
Sep 23, 2024
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Research & Development
VoltStorage unveils vanadium redox flow battery for commercial use Germany battery manufacturer VoltStorage has unveiled a containerised 50 kWh vanadium redox flow battery that is designed to optimise self-consumption in commercial and industrial PV systems.
Marian Willuhn
Jul 12, 2023
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Research & Development
Weekend read: From diesel to DC For a long while, it looked as if hydrogen fuel cells would be the technology of choice for emissions-free road transport. However, truck manufacturers and freight forwarders recently turned their attention to battery-electric vehicles. This will require special charging technology and PV looks set to play an important role.
Marian Willuhn
Jan 13, 2023
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Research & Development
Electrolyser tech to produce hydrogen from seawater With a new start-up and a consortium in the Netherlands, German automotive supplier Schaeffler wants to significantly reduce the costs of green hydrogen.
Marian Willuhn
Jan 06, 2022
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Research & Development
Storing hydrogen with ‘nano-chocolates’ German scientists have developed a novel hydrogen storage method that relies on nanostructures – tiny nanoparticles made of the precious metal palladium – instead of high pressure and lower temperatures.
Marian Willuhn
Jan 05, 2022
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Applications & Installations
New solution to store residential, commercial PV electricity as green hydrogen Germany’s Home Power Solutions has developed a hydrogen storage solution with a capacity of up to 15,000 kWh. The Picea system stores excess electricity from rooftop PV systems in the form of green hydrogen.
Marian Willuhn
Dec 09, 2021
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Applications & Installations
Puffer fish inspired floating PV structure With a new system for floating photovoltaic power plants, engineers from Germany want to make the application cheaper, higher-yielding, and safer. The result is somewhat reminiscent of a pufferfish, which also gave the system its name.
Marian Willuhn
Dec 06, 2021