Solar farms help grasslands beat the heat—
A study found that solar panels boost grassland productivity—with potential benefits for grazers, and for biodiversity—by up to 90%.
A previous study in the UK found that PV arrays in grasslands reduced plant productivity by 25% in sheltered zones under the PV panels (referred to as 'Under zones') compared to the ambient grassland; however, soil properties did not vary between the treatments (Armstrong et al., 2016).
Grassland ecosystems, which make up approximately 24% of the earth's land surface (Yang et al., 2020), offer immense potential for meeting the land requirements for PV arrays (Bai et al., 2022). Due to their short vegetation and flat topography, grasslands are favorable locations for installing PV arrays (Kannenberg et al., 2023).
Overall, the PV array zone superimposed the dual effects of PV panels and their fences, with the ecological indicators showing a greater positive influence than common grassland fencing. Our results suggested that deploying PV arrays was a win-win strategy for promoting grassland restoration and resolving land use conflicts in degraded grasslands.
Additionally, we considered the feasibility of transferring the economic cost of restoring grassland to the proprietors of solar parks. Based on our findings, we suggest that PV arrays may have the potential to be used as a measure to restore degraded grasslands and alleviate the constraints of land use for solar parks.
A study found that solar panels boost grassland productivity—with potential benefits for grazers, and for biodiversity—by up to 90%.
Overall, the PV array zone superimposed the dual effects of PV panels and their fences, with the ecological indicators showing a greater positive influence than common grassland fencing.
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As a researcher focused on renewable energy and ecological restoration, I have extensively studied the effects of photovoltaic panel arrays on degraded grassland ecosystems. The
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