Load demand grows in all subsystems, points out ONS

The increase is a comparison between April this year and 2023 and predicts an increase of 7,9%
Stored energy levels are favorable, according to the ONS. Photo: Creative Commons/Reproduction

The days March 30th to April 05th have forecast of acceleration of cargo demand, according to the PMO (Monthly Operation Program) prepared by ONS

They increase will be felt both by the SIN (National Interconnected System) as well as subsystems. O growing No. without will be 7,9%. In the analysis by region, the increase is noticed in all subsystems:

  • Northeast: 8,9%;
  • Southeast/Central-West and South: 7,8%;
  • North: 6,8%.

According to the Operator, this increase is a comparison between April 2024 and the same month last year.

EAR and ENA projections

Already the EAR projections (Stored Energy) for the day April 30 are over 60% em all regions. The North subsystem with 95,8% will be the largest producer of Stored Energy on the last day of next month. Next come the subsystems: Northeast (71,3%), Southeast/Central-West (67,5%) and South with 66,5%.

A ENA (Affluent Natural Energy) remains below the historical average, due to lack of rain, so the ONS is prioritizing other energy sources and saving hydro to maintain reservoir levels. This reserve is responsible for ensuring that load and power demands are met throughout the year.

“We ended the month of March with favorable EAR levels in the main SIN reservoirs and we are projecting a similar scenario for the end of April. The SIN EAR in March is the 11th highest in history for the period”, said Christiano Vieira da Silva, director of Operations at ONS.

“However, ENA was the 5th smallest. The conditions for electroenergy service in 2024 are positive, however the low inflows of the current wet period demand the attention of the ONS in order to position the reservoirs in favorable conditions for next year”, he concluded.


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Photo by Viviane Lucio
Viviane Lucio
Journalist graduated from UNIP (Universidade Paulista) and specialist in scientific journalism from Unicamp (Universidade Estadual de Campinas). She has experience in news production, reporting, photography, communications and press consultancy.

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