“Citizen participation and community co-ownership schemes play an increasingly societal role by fostering citizens’ participation in energy matters and raising acceptance of renewable energy. They can bring tremendous benefits for citizens and communities by placing them closer to the energy transition and fulfilling Europe’s decarbonisation goals,” says Dr. Athanasios Chassiakos as we speak with him, Dr. Stylianos Karatzas and Vasiliki Lazari about their transformative project TwinERGY.