Interest in installing solar panels in vineyards is growing. Here's a paper from Australia that examines their impact on pear trees & fruit.
tl/dr Panels created shade, which reduced yield, sugar concentration & color, but lessened impacts of extreme weather (heat and hail).
This study used fixed panels at 45° and 5°, with the latter causing greater crop losses, but power production was similar.
https://www.sciencedirect.com/science/article/pii/S0304423826000555
