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New Delhi, Sep 4 A team of Indian and international researchers have found that aerosols, dust, and clouds reduce solar energy generation from photovoltaic (PV) and rooftop solar installations resulting in substantial economic impact.They estimated that the impact of total aerosol optical depth on PV and rooftop installations amount to annual financial loss of upto Rs 1.55 million and the corresponding financial loss due to dust and clouds is Rs 0.56 million and Rs 2.47 million, a release from the Ministry of Science and Technology said here.This estimation can help the Indian solar energy producers and the electricity handling entities for efficient transmission and distribution system operations and grid stability optimization.Recently, solar energy generation has been widely used in developing countries such as India, which has sufficient solar resources. However, clouds and aerosols limit the solar irradiance causing performance issues in the PV and CSP plant installations. To achieve the large-scale development of a solar system requires proper planning, and there is a need to estimate the solar potential.Researchers at the Aryabhatta Research Institute of Observational Sciences (ARIES), Nainital, an autonomous research institute of the Department of Science and Technology (DST), Government of India and National Observatory of Athens (NOA), Greece, studied the impact of aerosols and clouds on the solar energy potential over a high-altitude remote location in the central Himalayan region with analysis and model simulations.The study published in the Journal of Remote Sensing shows that on an annual basis, the total aerosol attenuation for the total solar radiation incident on a horizontal surface or global horizontal irradiance (GHI) was 105 kWh m-2 and 266 kWh m-2 for direct solar radiation received from the sun or beam horizontal irradiance (BHI); respectively. The effects of the corresponding cloud are much stronger, with an attenuation of 245 kWh m-2 and 271 kWh m-2 on GHI and BHI, respectively.The scientists also calculated the annual financial loss due to this loss in energy.The researchers led by Dr Umesh Chandra Dumka (Scientist, ARIES, Nainital, India) along with the contributions by Professor Panagiotis G Kosmopoulos (Scientist, NOA, Greece), Dr Shantikumar S Ningombam (Scientist, IIA Bangalore), and Akriti Masoom (Faculty, IIT Roorkee) provide a comprehensive investigation of the impact of aerosols and clouds on solar energy production over the region.Furthermore, this study attempts a financial loss analysis by simulating a hypothetical scenario of a PV (photovoltaic) and concentrated solar power (CSP) system with nominal power of 1 MW assumed to be installed in the central Himalayan region.The scientists are now planning to connect the solar energy production levels and distribution with the consumption at selected local administrative units across India and quantify the aerosol and cloud effects into the solar forecasting and energy trading principles for a decentralized energy ecosystem, the release added.Disclaimer: This post has been auto-published from an agency feed without any modifications to the text and has not been reviewed by an editor

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Panagiotis g kosmopoulos, Latest News

International :Aerosol, dust reduce solar generation from PV, cause financial loss

New Delhi, Sep 4 A team of Indian and international researchers have found that aerosols, dust, and clouds ... ...