The rapid expansion of solar energy creates habitat change for wildlife, with both negative displacement effects and potential benefits from changed land use.
Solar farm welfare for wildlife is highly site-specific and design-dependent. Poorly designed solar farms on existing wildlife habitat cause displacement. Well-designed solar farms replacing intensive arable land, with wildflower understories, minimal pesticide use, and compatible grazing, can improve wildlife welfare relative to the previous land use. The timing of construction is particularly important — work during nesting season causes direct welfare harm to ground-nesting birds. The aquatic insect polarisation issue requires mitigation through anti-reflective coatings or panel spacing. Solar energy is a welfare-positive climate intervention; its land footprint can also be welfare-positive with appropriate design.