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2024 HIGHLIGHTS (Details) R$ / shares in Units, R$ in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Dec. 31, 2024 BRL (R$) | Dec. 31, 2024 USD ($) | Jul. 31, 2024 BRL (R$) R$ / shares shares | Nov. 30, 2023 | Dec. 31, 2024 BRL (R$) | Dec. 31, 2023 BRL (R$) | Dec. 31, 2022 BRL (R$) | Dec. 31, 2024 USD ($) | Sep. 30, 2024 BRL (R$) | Sep. 30, 2024 USD ($)
2024 HIGHLIGHTS |  |  |  |  |  |  |  |  |  |
Net Profit/(Loss) |  |  |  |  | R$ 10,380,754 | R$ 4,394,861 | R$ 3,638,382 |  |  |
Capital injection |  |  |  |  | 176,643 | 1,439,478 | 74,307 |  |  |
Additional amount recognition transmission concession contracts |  |  | R$ 6,129,771 |  |  |  |  |  |  |
Loans and financing obtained and debentures obtained |  |  |  |  | 29,965,839 | 11,821,045 | R$ 8,500,000 |  |  |
Eletrobras bonds maturity on 01/11/2035 |  |  |  |  |  |  |  |  |  |
2024 HIGHLIGHTS |  |  |  |  |  |  |  |  |  |
Notional amount |  |  |  |  |  |  |  |  | R$ 4,219,050 | $ 750,000
Interest (as a percent) |  |  |  |  |  |  |  |  | 6.50% | 6.50%
Debentures And Commercial Notes |  |  |  |  |  |  |  |  |  |
2024 HIGHLIGHTS |  |  |  |  |  |  |  |  |  |
Loans and financing obtained and debentures obtained |  |  |  |  | 30,000,000 |  |  |  |  |
Servizi Assicurativi Del Commercio Estero SPA |  |  |  |  |  |  |  |  |  |
2024 HIGHLIGHTS |  |  |  |  |  |  |  |  |  |
Notional amount | R$ 2,384,383 |  |  |  | R$ 2,384,383 |  |  | $ 400,000 |  |
Loans and financing obtained and debentures obtained | R$ 2,384,383 | $ 400,000 |  |  |  |  |  |  |  |
Furnas | Retiro Baixo Energtica S.A. |  |  |  |  |  |  |  |  |  |
2024 HIGHLIGHTS |  |  |  |  |  |  |  |  |  |
Percentage of equity interest /Percentage of participation |  |  |  | 49.00% |  |  |  |  |  |
Bandeirante Empreendimentos Ltda |  |  |  |  |  |  |  |  |  |
2024 HIGHLIGHTS |  |  |  |  |  |  |  |  |  |
Percentage of equity interest /Percentage of participation | 100.00% | 100.00% |  |  |  |  |  |  |  |
Percentage of voting equity interests acquired | 51.00% |  |  |  | 51.00% |  |  | 51.00% |  |
ISA Energia |  |  |  |  |  |  |  |  |  |
2024 HIGHLIGHTS |  |  |  |  |  |  |  |  |  |
Net Profit/(Loss) |  |  |  |  | R$ 3,498,416 | R$ 2,841,117 |  |  |  |
Proceeds from associate offerings |  |  | 2,153,842 |  |  |  |  |  |  |
ISA Energia | Secondary Public Offering |  |  |  |  |  |  |  |  |  |
2024 HIGHLIGHTS |  |  |  |  |  |  |  |  |  |
Equity method investments loss from associate offering |  |  | R$ 125,822 |  |  |  |  |  |  |
ISA Energia | Preferred shares | Secondary Public Offering |  |  |  |  |  |  |  |  |  |
2024 HIGHLIGHTS |  |  |  |  |  |  |  |  |  |
Number of shares issued | shares |  |  | 93,000,000 |  |  |  |  |  |  |
Subscription price per share, in the offering | R$ / shares |  |  | R$ 23.50 |  |  |  |  |  |  |

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