Consumption of materials

[GRI - 103-3], [GRI - 301-1], [GRI - 301-2],

The main materials used in production processes differ according to the business sector. For the Companies in the Environment Segment, the most important resources include incoming waste for production of compost and electricity (waste-to-energy from pulper waste and SRF). Thermoelectric plants, managed by Acea Produzione, use fossil fuels (natural gas and diesel) for the production of electricity. For the electricity distribution process, carried out by Areti, one important gas is sulphur hexafluoride SF6, used in medium and high-voltage plants for its specific electrical and thermal insulation properties. For the Companies in the water segment, there is use of chemical products required for process management, such as reactants for drinking water processing, disinfection and treatment of wastewater. Finally, Acea Energia and the structures managing commercial activity for the Water Companies, whilst all committed to digitalisation of processes, all use paper for customer invoicing. Please see Table no. 61 and the Environmental Accounts for details of resources used by each area.

Table no. 61 – Type and consumption of materials by the main Group Companies (2020-2022)

materials u.m. 2020 2021 2022
incoming waste for composting and landfill t 221,950

249,867

249,867
pulper t 90,215 99,730 97,796
SRF t 319,122 307,391 289,550
methane Sm3 x 1.000 23,496 26,102 26,340
diesel fuel l 587,028 646,730 883,290
SF6 t 22.8 22.9 22.8
various chemicals of water companies t 19,583 22,161 21,645
paper t 352 341 320

NOTE: Data on incoming waste includes waste sent for anaerobic and aerobic treatment at the Orvieto landfill, waste entering the Deco landfill (2022 only), and waste processed for the production of compost (sludge, green, OFMSW and other agrifood waste). Pulper and SRF for waste-to-energy are resources with a renewable component linked to the biodegradable fraction of the waste. In 2022, the renewable and biodegradable portions of pulper waste and SRF were respectively 41% and 47%. The SF6 data refer the total used Areti and Acea Produzione; data on paper use is associated with invoicing activities of the companies Acea Energia, Acea Ato 2, Acea Ato 5, Gori, AdF and Gesesa. Some values for the previous two-year period have been adjusted for consolidation.

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