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Brazil's national water agency ANA said it has extended for a month a measure to reduce the volume of water flowing from the São Francisco river into the Sobradinho and Xingó reservoirs, as requested by power grid operator ONS.
The 1,100m3/s maximum flow intake originally implemented until August 31 will be extended until September 30. The normal intake for the two reservoirs located in the states of Bahia (Sobradinho) and Alagoas-Sergipe (Xingó) is 1.300m3/s, an ANA release said.
The measure ensures a higher volume of water for the river in order to boost energy production in the northeast from state-run utility Chesf. Less water in the reservoirs, however, puts further stress on the water supply to a region that lacks rainfall.
The release also highlighted the agency's plan as of August 20 to reduce the volume of water flowing into the Três Marias reservoir in Minas Gerais to 170m3/s from 190m3/s.