287.8 24.6 42.5 20 51.9 329.7 381.9 10 21.7 6.6 7 0 50 100 150 200 250 300 350 400 energy infrastructure commercial and trading enviroment water, engineering and services corporate overseas 2019 2018 Acea signed with the University of Tuscia – Department of Innovation in Agri-food and Forestry Biological Systems (DIBAF) and with La Sapienza University – Department of Civil and Environmental Engineering, within which projects have been launched for the recovery of energy and matter from wastewater purification residues, with a view to waste transition.