A new model to assess the role of module temperature in PV power plant economics, developed by scientists in Saudi Arabia, finds that keeping modules cool could be an even more effective strategy to increasing energy yield than pursuing further gains in cell efficiency. The model finds that reducing module temperature by three degrees has a similar impact on energy yield to a 1% increase in conversion efficiency.
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%.
A new handbook published by the World Bank and Solar Research Institute of Singapore contains advice on how to plan and build floating PV. The guide is intended to help developers with site identification; feasibility studies; finance; environmental and social issues; procurement and construction; and operations and maintenance.
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