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Torrent Power sees opportunity of renewables-plus-gas based flexible generation

The integrated power producer, which has 138 MW of operational solar capacity and 2730 MW of state-of-the-art gas based power plants, sees opportunity of flexible generation to sell pooled round-the-clock power [renewable + gas] at competitive cost on a long-term basis.

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The long read: Understanding LeTID

Light- and elevated temperature-induced degradation (LeTID) of PV cells can have far-reaching impacts on the efficiency of modules. Alison Ciesla and Brett Hallam of the University of New South Wales argue that accelerated testing, such as that included in the forthcoming IEC standards, is critical for LeTID identification and quantification in order to manage these impacts.

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A new device to detect PV panel failure

A Spanish start-up has developed a system which offers automated fault detection in solar panels at any scale.

Solar canopies can put PV panels in some new and interesting places

A major advantage of this design is the ability to string cables over a longer distance without the support needed in traditional racking approaches.

Harvesting atmospheric water to cool down PV panels

Scientists from Saudi Arabia have proposed a new PV panel cooling technique which employs an atmospheric water harvester. The device uses waste heat from the PV panel to collect atmospheric water at night and then releases it during the day to cool down the module. The researchers claim the device may also be improved to produce liquid water, which could be used for the cleaning of the modules.

Lithium-ion storage is here to stay

A German-Israeli research group has gathered for three days to discuss which storage technologies may outperform lithium-ion batteries in the future. They concluded that there is no such a thing as a “post Li‐ion” era in sight. They recommended a “side‐by‐side” approach for multiple technologies in different applications, as well as the hybridization of technologies. The group highlighted the strong potential of redox flow storage, which in their view may outperform Li‐ion, although only for stationary applications.

EU, India invite joint research proposals on integrated local energy systems

The projects shall be co-funded by India’s Department of Science & Technology and the European Commission’s Innovation and Networks Executive Agency. The aim is to make energy supply cleaner, more efficient and affordable by smartly integrating large amounts of renewable energy in local energy systems. Proposals can be submitted till September 1.

Perovskites thrive under pressure

Scientists in the U.S. and Nigeria have studied the effects of pressure on perovskite solar cell production and found the correct application could improve cell efficiency by as much as 40% (relative). Push them too hard though, and they crack.

Drones can drive down operational solar costs—Frost & Sullivan Interview

The market for drones in the power and utility industry will grow 23.6% annually, reaching $515 million by 2030—according to a Frost & Sullivan report.
The report, Drones in the Global Power and Utilities Industry, Forecast to 2030, cites ongoing digital transformation, remote monitoring, and the need to optimize operational costs as the factors driving increasing adoption of drones in the power and utility industry.
“Drones minimize the need to send human employees onsite and can be deployed for monitoring, operations, and maintenance services. As the global power and utility industry continues to tackle the impact of the ongoing Covid-19 pandemic, drones can be potential game-changers in combating the challenges it poses,” as per the report.
pv magazine spoke to Supreeth Srinivasa Rao, Associate Director, Industrial Practice, Frost & Sullivan, to find out the role of drones in the solar sector, especially for India.

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A new technique for cooling solar panels

Scientists in Egypt have investigated the effectiveness of using water and a mixture of aluminum oxide and calcium chloride hexahydrate to cool PV modules. Optimal performance was observed with a solution of 75% water, according to the research findings.

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