Cooling down PV panels with water

France’s Sunbooster has developed a technology to cool down solar modules when their ambient temperature exceeds 25 C. The solution features a set of pipes that spread a thin film of water onto the glass surface of the panels in rooftop PV systems and ground-mounted plants. The cooling systems collect the water from rainwater tanks and then recycle, filter and store it again. The company claims the technology can facilitate an annual increase in power generation of between 8% and 12%.

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Intersolar Europe canceled

Another big solar event has joined the list of those canceled because of Covid-19. The next edition of The Smarter E event will take place next year.

Covid-19 and dependence on China’s PV supply chain

The Asian Development Bank says developing countries in Asia and the Pacific should consider developing their own solar industry supply chains as the Covid-19 pandemic has exposed their over-reliance on China to carry through the energy transition.

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Adding solar at airports

An Indo-Malay research group has sought to define the best conditions for developing large scale solar projects at airports. The researchers provided insight on glare analysis as well as design and performance.

Solar tiles for new and historic buildings

Available in three versions, the product costs around $307-324 per square meter although prices will vary depending on project complexity. Swiss manufacturer Freesuns says its tiles can be used on historic buildings and can cover 100% of rooftops.

Hungary allocates 131.4 MW of PV in renewables auction

Solar developers secured 131.4 MW of the capacity awarded in the auction, while a biomass installation accounted for the remaining 500 kW of capacity. The national energy regulator will provide 15-year feed-in premium payments to the winning projects.

World’s biggest PV module factory

GCL System Integration plans to build a 60 GW solar module factory in China’s Anhui province, with a total investment of approximately $2.5 billion.

Chinese fishery hosting 260 MW of unsubsidized solar

The solar plant was built with fixed structures on a 400-hectare water surface at a fishery in Anhui province. The project was the first unsubsidized plant approved by the National Development and Reform Commission (NDRC) in 2019 and is selling power at a price of RMB 0.3844 ($0.054) per kWh.

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How Covid-19 is affecting the Brazilian PV sector

Brazilian consultancy Greener has conducted a survey of more than 500 solar companies in Brazil to assess the economic impact of the Covid-19 pandemic. The results show that demand has already started to slow down, and that PV system prices are on the rise.

BIPV relying on voltage source inverters for grid stabilization

According to a Norwegian group of researchers, the reactive power capability of three-phase voltage source inverters can help to reduce problems caused by the intermittent nature of solar power on distribution networks. The scientists claim they are preferable to expensive grid infrastructure such as under-load tap changing transformers, step voltage regulators, and fixed and switchable capacitors. The group has developed a system model featuring a 7.63 kW PV array module, a three-phase voltage source inverter with 9.5 kVA of capacity, a boost converter, a three-phase dynamic load, and a utility grid.

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