One of the world's most important energy producing companies, AES generates and distributes electricity in 17 countries, employing around 21,000 people around the globe and serving over 10 million customers. In Brazil, the group's operations are divided into five different companies: AES Eletropaulo, AES Ergos, AES Sul, AES Uruguaiana, and AES Tietê. At the 2016 LATAM Regional Conference, Carlos Macedo, operations engineer at AES Tietê, describes the company's operations and how the PI System was used to streamline decision-making, minimizing risks and optimizing the operation of power plants at the AES Tietê division.