PROBLEM TO BE SOLVED: To provide a photovoltaic power generation facility that also serves as a plant cultivation facility which is capable of rationally perform sunshade and rationally performing power generation by sunlight regarding plant cultivation, by which farm field and its facility can be effectively utilized, and to provide a use method of the facility.SOLUTION: Solar panel rows 20 in each of which a plurality of solar panels 21 are linearly arranged along plant cultivation rows in each of which multiple pieces of a plant such as grape are linearly arranged, are arranged integrally and tiltably in order to make it possible to generate electric power by sunlight and perform sun shading in an adjustable manner.