Agrivoltaics, agrophotovoltaics, agrisolar, or dual-use solar is the simultaneous use of areas of land for both solar panels and agriculture. The technique was originally conceived by Adolf Goetzberger and Armin Zastrow in 1981, Agrivoltaics can refer to different methods of combining crops with solar panels, from conventional solar panels placed on top of crops, to greenhouses made of semi-transparent PV panels.