In order to attend internal and external demands, and improve information management, the 2018 sustainability report brings a new materiality matrix. The process consisted of sequential steps guided by standards and methodologies of world reference.

The first step analyzed and selected material topics for the electrical sector, from specialized publications, benchmarking and previous materiality matrixes of the company itself.

The following step was carried out with internal and external agents of Itaipu, who prioritized some of these topics – considering the principle of stakeholder inclusiveness. [102-43]

The activities performed were:

• Individually interviews with strategic professionals from Itaipu, including the Brazilian Director-General;
• In-person technical visits and analysis of publications. We used reports and news of mass media and the Jornal de Itaipu Eletrônico (JIE), in addition to official documents such as public opinion research, and other corporate reports; and
• On-line research in two unprecedented ways:
  • Open to all Itaipu employees, resulting in 310 replies;
  • With the principal external stakeholders, identified from previous materiality processes, and groups directly related to the company, such as prefectures, directors of Eletrobras companies, suppliers and actors involved in working groups, Itaipu’s programs and actions [102-42] This enlargement resulted in 389 valid responses from the following groups of interest:

All these different activities identified the relevant aspects in common for the various stakeholders of the entity. This compiled was consolidated based on a specific methodology, validated and approved by the Strategic Planning Advisory Department, resulting in the list of material topics.