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 in focus: May regulatory highlights in our Energy Newsletter
Main highlights of this edition: Read the full content:
Paloma Lima
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 […]
Stay up to date on key energy transition developments
Key highlights of this edition: • Progress in energy planning with the PDE 2035, PNE 2055 and National Energy Transition Plan; • Regulation of offshore wind and guidelines for area allocation and permitting; • Guidelines for hydraulic storage and resumption of hydropower studies; • Creation of a working group on advanced nuclear reactors in Brazil; […]
Energy Newsletter – April 2026: decisive moves in the energy market
The April 2026 Energy Newsletter brings the main regulatory developments in the Brazilian electricity sector, with highlights on the renegotiation of the Public Asset Use (UBP) balances of hydropower plants, the developments of the 2026 Capacity Reserve Auction in the Form of Power (LRCAP 2026) in the administrative, judicial, and legislative spheres, and new public […]
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 […]
MME publishes rules for Access Seasons under the National Policy on Access to the Transmission System
On 27 April 2026, the Ministry of Mines and Energy (“MME”) published MME Normative Ordinance No. 129/2026 (“Ordinance”), following MME Public Consultation No. 217/2026. The regulation establishes the guidelines applicable to the Access Seasons provided for in Decree No. 12,772 of 5 December 2025, which established the National Policy on Access to the Transmission System […]