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Investor Presentaiton

Dam Safety GRI EU21 < 48 > In 2022, the safety of our dams underwent an Integrated Management System (SGI) external audit, covering ISO 14001 and ISO 45001 as well as the Asset Management System (ISO 55001). The dams in the hydropower plants under our concession are structures consolidated, designed, built and maintained according to the strictest Engineering technical standards. Additionally, every year, we update and send to civil defense bodies our Emergency Action Plan (PAE), a technical and administrative proceeding to help them prepare local contingency plans, in order to address emergencies involving the dams. In line with the provisions of Law 12,334/2010 and Aneel Resolution 696/2015, we send Aneel's Dam Safety Form (FSB) to the inspecting agent every year. Our management activities include controlling full reservoir levels and adjusting the flow rate, using the Emergency Situation Operation System (SOSEM). We provide internal trainings on SOSEm, which establishes the proceedings for opening the weirs at full reservoir level, as well as communication actions with society, with the aim to mitigate hydrological risks and restore normal operation conditions. We educate the communities neighboring our plants on the safe use of the reservoir and its surroundings for leisure and entertainment activities. By periodically monitoring reservoirs, not only do we control environmental conditions in these places but also report any irregular occupations in our 4,800-kilometer borders. Every case of irregular occupation identified generates a Property and Environmental Inspection Report (Ripa), which is made available through the Geographic Information System (GIS or Sistema Geo Catálogo in Portuguese), the Ministry of Environment's satellite image catalog. Since dams are a set of extremely important assets, their management is governed by the Dam Safety Plan, which comprises the following actions: Monitoring through the reading of civil instruments every two weeks and issuing a bimonthly consolidated report; Inspecting civil structures by using drones, mini-submarines and remote-controlled boats; Preparing a Visual Inspection Report and completing the Dam Safety Form, both with a yearly periodicity; Inspecting outlet structures on a yearly basis, and issuing a report and an action plan for the non- compliance items identified; Real-time monitoring of tributaries and reservoirs through telemetry stations; Having a preventive maintenance plan. 2022 Integrated Sustainability Report > Competitiveness aes Brasil
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