It's possible. According to the requirements of the relevant documents of the National Energy Administration, photovoltaic power plants can be built on barren hills and slopes, because contracted barren hills can be used for afforestation and animal and plant breeding, photovoltaic power generation projects can be built, and photovoltaic power plants can be built by making full use of the sunny side of barren hills, which can make good use of light energy to convert into electric energy and serve people.