Increases in the local protection index (underground HV network/total HV network): Improvement in the intensity index of emissions (scopelosses: 46% 0.0113 t/MWh 12 ACEA GROUP / SUSTAINABILITY REPORT 2018 SUSTAINABILITY PERFORMANCE: LEGISLATIVE DECREE NO. 254/2016 AND GRI STANDARD Acea has prepared and published the Group’s Sustainability Reports on a voluntary, annual basis, starting in 1999 (for the 1998 financial year), with the aim of integrating economic and financial information with the social and environmental aspects of its activities.