It’s ren-ewe-able energy.
On some solar farms in New York state, sheep act as landscapers, grazing among the solar panels to manage vegetation. It’s a way to manage industrial-scale solar arrays without the use of fossil fuel-powered equipment like lawn mowers, and it provides an opportunity for local farmers to earn money contracting out their sheep. It could also spur the creation of a business cooperative to coordinate between shepherds and solar companies.