- 11/14/2019 Notice to the Market - New Chief Executive Officer
- 09/26/2019 Notice to the Market - IE Madeira granted “TLD” and earns the right to receive 100% of revenue (“RAP”) under ANEEL Concession Contract 015/2009
- 09/10/2019 Notice to the Market - IE Itapura's entry in commercial operation
- 08/30/2019 Notice to the Market - Installation Licenses Obtained for IE Itaúnas
- 08/20/2019 Notice to the Market - Installation Licenses Obtained for IE Ivaí
- 08/14/2019 Notice to the Market - Installation License Obtained for IE Itapura (Lorena)
- 08/09/2019 Notice to the Market - Fitch affirms ISA CTEEP’s rating at 'AAA+(bra)' – with Stable Outlook
- 07/30/2019 Notice to the Market - Change in Executive Board
- 07/26/2019 Notice to the Market - ADR Change in Custodian Bank
- 07/10/2019 Notice to the Market - New Chief Financial and Investor Relations Officer
- 06/28/2019 Notice to the Market - Installation License Obtained for IE Aguapeí
- 06/18/2019 Notice to the Market - Installation License Obtained for IE Ivaí
- 05/09/2019 Notice to the Market - Installation Licenses Obtained for IE Paraguaçu e IE Ivaí
- 04/24/2019 Notice to the Market - Installation Licenses Obtained for IE Aimorés
- 04/11/2019 Notice to the Market - Advance and Installation Licenses Obtained for IE Ivaí
- 03/19/2019 Notice to the Market - Change in Executive Board
- 02/20/2019 Notice to the Market - Changes in the 2019 Calendar of Corporate Events