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Soiling

Soiling – a multibillion-dollar issue

A new report by the International Energy Agency’s Photovoltaic Power Systems Programme (IEA-PVPS) estimates that lost revenue from PV module soiling amounts to more than €3 billion ($3.2 billion) per year – an amount that is only set to increase as PV systems grow larger and more efficient.

Self-powered, dry-cleaning robot for solar panels

Enray Solutions has developed an autonomous, water-free cleaning robot for ground-mount solar installations that draws its power from an on-board PV panel and battery. The robot is designed to withstand the harsh environmental conditions of all kinds of terrain.

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Second-life energy storage winner in EDF’s startup contest

Bangalore-based Nunam—which enables second life for used lithium-ion battery cells—is the winner of Pulse India competition conducted by French energy giant EDF. The EDF contest aims at supporting Indian startups committed to developing low-carbon and sustainable energy solutions.  

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ARCI develops easy-to-clean solar panel coating 

The super-hydrophobic coating using functional nanoparticles repels dust deposition on the solar panels and cleans itself by the action of water on the modules. 

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Water scarcity and the growing need for smarter solutions in solar projects

The inefficiency and irregularity of cleaning the solar panels manually, and the associated use of water defeat the purpose of shifting to renewable energies.

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Vibration tech for self-cleaning solar panels

Scientists in the U.K. have developed a system which makes panels vibrate to provide cleaning. The academics have conceded, however, they are yet to calculate the ‘sweet spot’ of mechanical stress to be applied.

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