probablyasocialecologist:

Sheep living among rows of solar panels spend more time grazing, benefit from more nutritious food, rest more and appear to experience less heat stress, compared with nearby sheep in empty fields.

Earlier research suggested that agrivoltaic farms – which combine grazing animals with solar panels – offer more efficient renewable energy at lower overhead costs, as well as reducing wildfire risks. The latest findings show that the practice is also good for animal welfare, providing further evidence for a win-win situation, says Emma Kampherbeek, who carried out the work while at Wageningen University in the Netherlands.

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As for pasture quality, the nitrogen content was higher and carbon content lower in the solar panel fields, suggesting that the vegetation in this pasture – which was greener – was more nutritious and more easily digestible. That might be due to the reduced exposure to intense solar rays and to dew dripping off the panels, providing much-needed moisture, she says.

The results are likely to be even more pronounced in warmer seasons, she adds. Additional research is under way to analyse the data taken from temperature recordings during her study.

Sheep make good candidates for agrivoltaics because they are efficient foragers, keeping weeds off solar panels, and are small enough to pass under the panels, says Kampherbeek. And, unlike goats, they don’t chew the electrical wires.

The findings strongly suggest that solar power centres should be designed with a partner animal species in mind, she says.