Stored Potential: the legal architecture of battery energy storage in Brazil

Battery Energy Storage Systems (BESS) are transforming the Brazilian electricity sector, creating new investment opportunities and business models. To navigate this evolving landscape, we have prepared a comprehensive whitepaper that analyzes the legal and regulatory architecture for this technology in Brazil. Check the material:
Energy Newsletter – July 2026

Highlights of the month In July 2026, the electricity sector was marked by new regulatory developments involving generation, transmission access, distribution and energy trading. In the generation segment, the Ministry of Mines and Energy (“MME”) regulated the compensation mechanism for generation curtailments affecting wind and solar power plants, as provided for in Federal Law No. […]
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 […]
Energy Transition Newsletter: MME and ANP drive sector developments in May and June 2026

Editorial During May and June 2026, the renewable energy sector was characterised by initiatives aimed at developing new technologies and broadening the institutional base for the energy transition in Brazil. In this context, the Ministry of Mines and Energy (“MME”) appointed the members of the Executive Committee of the National Geothermal Energy Programme, which is […]
IBA | The energy storage market in Brazil and its value for the development of data centres

As data centers and AI rapidly expand, their intensive power consumption presents a global challenge. Battery Energy Storage Systems (BESS) are emerging as a crucial solution, ensuring grid stability, cost efficiency, and reliable renewable energy supply. Brazil is uniquely positioned to lead this market due to its favorable regulatory advances. In an article published by […]
Brazilian Electricity Sector Updates (June 2026): Stay up to date with our Energy Newsletter

Highlight of the month In June 2026, in the power generation sector, the Ministry of Mines and Energy (“MME”) published the guidelines for the “A-1”, “A-2” and “A-3” Existing Power Auctions, with supply due to commence in 2027, 2028 and 2029, respectively. In the electricity distribution sector, ANEEL launched Public Consultation No. 016/2026 to discuss […]