# Brazil opens declaration window for 2026 existing-power auctions > The energy ministry asked distributors to submit or amend purchase-need declarations for the A-1, A-2 and A-3 auctions by 30 October. - Canonical URL: https://newsverum.com/en/news/brazil-mme-2026-existing-energy-auctions-declaration-window - Publisher: Newsverum - Section: Energy - Country: Brazil - Published: 2026-10-21T00:44:00+00:00 - Updated: 2026-10-21T00:44:00+00:00 - Event / data period: 2026-10-19 - Other editions: [Türkçe](https://newsverum.com/tr/news/brazil-mme-2026-existing-energy-auctions-declaration-window.md), [العربية](https://newsverum.com/ar/news/brazil-mme-2026-existing-energy-auctions-declaration-window.md), [Français](https://newsverum.com/fr/news/brazil-mme-2026-existing-energy-auctions-declaration-window.md), [Español](https://newsverum.com/es/news/brazil-mme-2026-existing-energy-auctions-declaration-window.md), [Deutsch](https://newsverum.com/de/news/brazil-mme-2026-existing-energy-auctions-declaration-window.md), [Português](https://newsverum.com/pt/news/brazil-mme-2026-existing-energy-auctions-declaration-window.md) Brazil’s Ministry of Mines and Energy (MME) opened the declaration period for distributors participating in the 2026 A-1, A-2 and A-3 auctions for existing electricity generation. Companies can confirm or amend their purchase-need information through the CCEE platform until 30 October. The ministry said declarations must remain confidential until the bidding process ends. The three auctions are scheduled to run sequentially on 13 November 2026 and cover electricity from existing generation plants. Supply is set to begin on 1 January 2027 for A-1, 1 January 2028 for A-2 and 1 January 2029 for A-3. The resulting regulated-market contracts will be for energy quantities and last two years. ## Data ### Existing-power auction schedule Dates and supply-start years stated by MME for the 2026 auctions. Methodology: Schedule stated by the source; the start year is recorded numerically. | Auction | Supply start year | |---|---| | A-1 | 2027 | | A-2 | 2028 | | A-3 | 2029 | Sources: · Download data: [JSON](https://newsverum.com/api/v1/articles/brazil-mme-2026-existing-energy-auctions-declaration-window/data/auction-schedule?lang=en&format=json) · [CSV](https://newsverum.com/api/v1/articles/brazil-mme-2026-existing-energy-auctions-declaration-window/data/auction-schedule?lang=en&format=csv) ## Sources - [Brazilian Ministry of Mines and Energy (MME)]() (Source checked: 2026-10-21; Published: 2026-10-19) --- Cite the canonical URL above. [Editorial standards and corrections](https://newsverum.com/en/editorial)