Large Reductions in Solar Energy Production Due to Dust and Particulate Air Pollution

TitleLarge Reductions in Solar Energy Production Due to Dust and Particulate Air Pollution
Publication TypeJournal Article
Year of Publication2017
AuthorsMH Bergin, C Ghoroi, D Dixit, JJ Schauer, and DT Shindell
JournalEnvironmental Science & Technology Letters
Volume4
Issue8
Start Page339
Pagination339 - 344
Date Published08/2017
Abstract

© 2017 American Chemical Society. Atmospheric particulate matter (PM) has the potential to diminish solar energy production by direct and indirect radiative forcing as well as by being deposited on solar panel surfaces, thereby reducing solar energy transmittance to photovoltaics. Worldwide solar energy production is expected to increase more rapidly than any other energy source into the middle of this century, especially in regions that experience high levels of dust and/or anthropogenic particulate pollutants, including large areas of India, China, and the Arabian Peninsula. Here we combine field measurements and global modeling to estimate the influence of dust and PM related to anthropogenic sources (e.g., fossil and biomass fuel combustion) on solar electricity generation. Results indicate that solar energy production is currently reduced by ∼17-25% across these regions, with roughly equal contributions from ambient PM and PM deposited on photovoltaic surfaces. Reductions due to dust and anthropogenic PM are comparable in northern India, whereas over eastern China, anthropogenic PM dominates. On the basis of current solar generation capacity, PM is responsible for ∼1 and ∼11 GW of solar power reduction in India and China, respectively, underscoring the large role that PM plays in reducing solar power generation output.

DOI10.1021/acs.estlett.7b00197
Short TitleEnvironmental Science & Technology Letters