The CMSE (Electric Sector Monitoring Committee) informed, during an extraordinary meeting this Thursday (27), that it will be necessary to implement relaxations of hydraulic restrictions relating to the Jupiá, Porto Primavera, Ilha Solteira, Três Irmãos, Xingó, Furnas and Mascarenhas de Moraes.
“It is important to note that the initiatives related to the relaxation of hydraulic restrictions on projects located in the Grande and Paraná river basins aim to mitigate the risk of loss of water control in the Paraná river basin. Therefore, in addition to energy issues, the aim of the measures is to guarantee the proper governability of the hydraulic cascades, including with regard to the preservation of water use, throughout the dry season of 2021”, informed the CMSE in a note.
The CMSE also decided to recommend to the ANA (National Water and Basic Sanitation Agency) that the situation of water scarcity in the Paraná River Basin be recognized, as well as forward the proposals deliberated by the CNPE (Collegiate to the National Energy Policy Council), taking into account as these are relevant actions aimed at maintaining security in electrical energy supply and service.
The CMSE also highlighted the importance of institutional coordination, not limited to the Brazilian electricity sector, so that ongoing measures can be effective in increasing the security of electricity supply in the country throughout the year.
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To deliberate on the recommendations, the CMSE considered the scenario presented by the ONS (National Electric System Operator) regarding the low rainfall levels this month, typical behavior of the dry season and which should continue in the coming months, especially in the Southeast/Central-West region. In addition, the ONS highlighted that the inflows remain below the historical average values, characterizing the worst amounts recorded for the SIN (National Interconnected System) in the period from September to May in 91 years of history.
According to the operator, the hydrological situation is critical in the Paraná river basin, which encompasses the Paranaíba, Grande, Tietê and Paranapanema river basins. The hydroelectric plants with the main SIN regularization reservoirs are located there, whose resources are operated in such a way that, in dry periods, their stocks can be used in an optimized way and with a view to guaranteeing the due service to the load.
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