A ANEEL (National Electric Energy Agency) reported that it has intensified its guidance to distribution companies throughout the country to strengthen their contingency plans and be prepared to face severe weather events throughout the summer of 2025-2026, a period historically marked by intense rainfall, strong winds, and storms that can compromise the energy supply.
In the statement sent to distributors, the Agency determined that contingency plans should be updated and expanded, including the additional mobilization of qualified and trained teams to act in network restoration in case of failures, as well as the adoption of procedures for dialogue with public bodies such as Civil Defense, Fire Department and local authorities.
Penalties
A ANEEL It also requested that concessionaires forward preliminary information to the regulator regarding relevant occurrences in distribution systems, for preventive purposes. Failure to comply with the guidelines may result in inspection processes and the application of sanctions provided for in Normative Resolution No. 846/2019, reinforcing the binding nature of the recommendations.
The reinforcement of the plans can be understood as a response to the scenario of climate alerts issued by... INMET (National Institute of Meteorology) for the Southeast region, but it should be expanded to other locations according to meteorological projections and the history of intense events.
Failure context
The expansion of the measures of ANEEL This comes at a time when distribution companies are facing increasing pressure due to the impacts of climate change, with recent events highlighting vulnerabilities in electrical infrastructure in dense urban areas and metropolitan regions.
In the case of Enel São Paulo, which serves approximately 7,7 million customers in 24 municipalities in Greater São Paulo, recent storm episodes have left more than 2 million properties without power and have called into question the current regulations.
Inspection reports from ARSESP (São Paulo State Public Services Regulatory Agency) pointed to dozens of technical problems in the Enel-SP network throughout 2025, such as damaged poles, inactive equipment, and out-of-position crossarms, suggesting deficiencies in preventive maintenance and increasing the risk of supply interruptions in the face of severe weather events.
Recent events, including an extratropical cyclone that hit the region with strong winds, knocked down trees onto the power grid and caused massive blackouts, as well as secondary impacts on essential services such as water supply and air transport. Authorities even considered the possibility of terminating the concession of the São Paulo distributor due to repeated failures.
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