Building Materials and Construction Components Design Solar Side Shutter for Pergola by Jarosław Markowicz The Energola side shutter is a multi-functional product dedicated to pergolas, balconies, and glazed spaces. Energola allows to use of the building surface and its surroundings for energy production. In addition to the sun protection function, energola also produces energy. Each individual wing has a micro photovoltaic panel. the shutter has the ability to move and each of the wings is movable which gives many adjustment possibilities.