Decree regulates the opening of the electricity market for group B consumers
On 12 August 2026, Decree No. 13,097/2026 (“Decree”) was issued, regulating the opening of the free energy market to consumers supplied at voltages below 2.3 kV. The Decree provides for the free choice of electricity supplier from 25 November 2027, for industrial and commercial consumers, and from 25 November 2028, for all other consumers, and […]
MME establishes guidelines for the compensation of wind and solar generation curtailment events occurring between 2023 and 2025
On July 21, 2026, the Ministry of Mines and Energy (“MME”) published Normative Ordinance MME No. 140/2026 (“Ordinance”), which sets out the guidelines for the operationalisation of the compensation for costs arising from generation curtailment of wind and solar power plants, occurring between September 1, 2023 and November 25, 2025, pursuant to article 1-B of […]
ANEEL opens Public Consultation on the tender notices for the first storage auctions in the electricity sector
On 28 July 2026, the Brazilian Electric Energy Agency (“ANEEL”) approved the opening of public consultations on the draft tender notices for Auctions No. 5/2026 and No. 6/2026, both aimed at the contracting of power capacity from new Battery Energy Storage Systems (“BESS”) (the “Storage LRCAP”). The auction represents a milestone for the sector: it […]
Mining Guide 2026
The launch of the new edition of the Mining Guide will take place during an exclusive cocktail reception during the week of EXPOSIBRAM 2026—Brazil’s largest mining sector event, organized by IBRAM – Mineração do Brasil. For more information about EXPOSIBRAM 2026, please visit: exposibram2026.ibram.org.br. The 2026 edition of the Mining Guide marks a truly milestone year for Cescon Barrieu. To […]
ANEEL publishes regulation on energy storage systems
On June 25, 2026, the Brazilian Electric Energy Agency (“ANEEL”) published the regulation of energy storage systems (“ESS”), consisting of Normative Resolutions (“REN”) No. 1,161/2026 and No. 1,162/2026, in addition to amendments to Modules 1, 2, 3 and 5 of the Transmission Services Rules. The measure results from the closing of Public Consultation No. 39/2023 […]
Energy storage advances on two regulatory fronts in Brazil: aneel deliberates on rules applicable to battery energy storage systems and mme publishes guidelines for the first two battery auctions
See also our previous update on the initial developments relating to energy storage and the Public Consultation conducted by the MME on the subject. MME Public Hearing No. 202/2025LRCAP 2026 – Battery Storage Systems The electricity sector recorded, in early June 2026, new developments relating to the integration of Battery Energy Storage Systems (“BESS”) in […]
2026 Capacity Reserve Auction: Recent Discussions on the Auction
1. Background The 2nd and 3rd 2026 Capacity Reserve Auctions in the Form of Power (“LRCAP 2026”),, held on 18 and 20 March 2026, contracted approximately 19,479 MW of power, with estimated obligations of R$ 517 billion in fixed revenue over contracts of up to 15 years. The auction, conducted by National Electric Energy Agencu […]
ANP launches new cycles of the Permanent Offer
On May 22, 2026, the ANP (National Agency of Petroleum, Natural Gas and Biofuels) published the schedules for the sixth cycle of the Permanent Offer under the Concession Regime (OPC) and the fourth cycle of the Permanent Offer under the Production Sharing Regime (OPP). Regarding the sixth cycle of the OPC, a total of 495 […]