In a recent meeting, the board of the National Electric Energy Agency (Aneel) in Brazil revisited a sensitive subject: the potential expiration of Enel's concession in São Paulo. This concession represents the largest electricity distribution contract in the country and could mark the first case of contract termination in a sector that draws billions of reais in investments each year. The regulatory framework governing these concessions is regarded as one of the most successful globally in infrastructure according to evaluations by the World Bank and the OECD (Organisation for Economic Co-operation and Development).

The issue is not new but continues to resurface within discussions related to the electricity sector, mainly due to the visibility and impact of blackouts and interruptions in power supply in the largest metropolis of Latin America. Given São Paulo's significance, the possible repercussions of losing Enel’s concession are considerable, as the city depends heavily on a stable and reliable electricity supply for its economy and daily life.

The conversation quickly devolves into a blame game among various levels of government authority, illustrating the complexity of the issue. While the concession is federally regulated, its effects are felt locally, creating a dilemma for state authorities who must manage the immediate concerns of citizens affected by power outages while navigating the regulatory structure established at the national level. This ongoing debate highlights the challenges faced by Brazil in maintaining and improving its infrastructure in the face of increasing demands for reliable energy supply.