- 06/16/2021 Notice to the Market - Change in American Depositary Receipts (ADR) Programs custodian bank
- 04/30/2021 Notice to the Market - Election of new Chief Financial and Investor Relations Officer
- 04/16/2021 Notice to the Market - (8th) Issuance of Commercial Promissory Notes
- 04/05/2021 Notice to the Market - Reinforcement Startup of Taubaté Substation
- 04/01/2021 Notice to the Market - Change of Independent External Auditor
- 03/19/2021 Notice to the Market - Installation License for Biguaçu project
- 03/04/2021 Notice to the Market - Conclusion of IE Aguapeí
- 02/24/2021 Notice to the Market - Participation in Live
- 02/02/2021 Notice to the Market - IE Aguapeí startup
- 01/26/2021 Notice to the Market - Installation License obtained for Três Lagoas project
- 01/05/2021 Notice to the Market - ISA CTEEP included in Carbon Efficient Index (ICO2)
- 01/04/2021 Notice to the Market - Biguaçu Project obtained environmental license
- 08/31/2021 Material Fact - Approval of the Merger of SF Energy and PBTE
- 08/20/2021 Material Fact - Closing of the Operation between Ecopetrol and the Ministry of Finance and Public Credit
- 08/12/2021 Material Fact - ISA announces the conclusion of the Purchase and Sale Agreement
- 04/22/2021 Material Fact - Reprofiling of Financial Component of RBSE
- 03/02/2021 Material Fact - Conclusion of the acquisition of Piratininga – Bandeirantes Transmissora de Energia (PBTE)
- 02/04/2021 Material Fact - 10th Issue of Debentures