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Journal article
All that glitters – Review of solar facility impacts on fauna
Renewable & sustainable energy reviews, Vol.224, 115995
2025
Abstract
Utility-scale solar facilities (‘solar farms’/‘solar parks’) represent vast altered landscapes – currently covering ∼0.025% of the earth’s land surface. The rapid transformation of landscapes necessitates urgent research into biodiversity impacts of solar facilities worldwide. Evidence for fauna impacts at both concentrating solar power (CSP) and photovoltaic (PV) solar facilities was analysed. Solar facilities impact fauna through habitat loss and fragmentation, altered microclimate, and creation of novel habitat. Evidence suggests increases in insect, bird and bat species richness and abundance around solar facilitates built over degraded landscapes, likely due to introduction of novel habitat and presence of generalist species, but a decrease when comparison is made with intact reference landscapes. CSP facilities attract large numbers of flying insects and therefore insectivorous birds, while both heliostats (CSP) and PV solar panels are attractive to waterbirds, with the timing and direction of bird movements indicating they are responding to linear polarised light reflections from panels. While generalist bat species make use of solar facilities, data to date indicates a decrease in bat species richness and activity around solar facilities. Extrapolating from USA studies, an estimated 17.3 million birds die at solar facilities every year. Direct impacts of solar facilities include injuries and deaths due to collisions and burns, while entrapment, starvation and increased predation risk are also recorded causes of mortalities. Solar facilities significantly impact local fauna, particularly attracting and affecting insectivores and waterbirds. Further research is needed to fully understand these effects and develop mitigation strategies for sustainable solar energy expansion.
Details
- Title
- All that glitters – Review of solar facility impacts on fauna
- Authors/Creators
- P.A. Fleming - Murdoch University, Centre for Terrestrial Ecosystem Science and Sustainability
- Publication Details
- Renewable & sustainable energy reviews, Vol.224, 115995
- Publisher
- Elsevier Ltd.
- Identifiers
- 991005794765407891
- Copyright
- © 2025 The Author.
- Murdoch Affiliation
- School of Environmental and Conservation Sciences
- Language
- English
- Resource Type
- Journal article
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