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LONG-TERM OPERATING COMMITMENTS - Purchase of electricity and fuel (Details) R$ in Thousands | Dec. 31, 2023 BRL (R$)
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2025 | Sale of Energy |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | R$ 12,094,553
2025 | Energy purchase |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 2,680,370
2025 | Related to jointly controlled companies |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 148,086
2025 | Acquisitions of fixed assets |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 10,659,339
2025 | Fuel Suppliers |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 3,683,717
2025 | Construction |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 2,488
2025 | Socio-environmental |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 37,899
2026 | Sale of Energy |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 8,107,099
2026 | Energy purchase |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 2,206,182
2026 | Acquisitions of fixed assets |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 13,837,958
2026 | Fuel Suppliers |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 3,683,717
2026 | Construction |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 2,666
2026 | Socio-environmental |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 37,899
2027 | Sale of Energy |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 6,092,008
2027 | Energy purchase |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 2,183,270
2027 | Acquisitions of fixed assets |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 6,790,375
2027 | Fuel Suppliers |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 3,449,562
2027 | Construction |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 1,451
2027 | Socio-environmental |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 37,899
2028 | Sale of Energy |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 4,780,884
2028 | Energy purchase |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 1,923,612
2028 | Acquisitions of fixed assets |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 4,540,692
2028 | Fuel Suppliers |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 3,449,562
2028 | Construction |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 1,775
2028 | Socio-environmental |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 37,899
2029 | Sale of Energy |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 9,452,610
2029 | Energy purchase |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 4,014,300
2029 | Acquisitions of fixed assets |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 638,549
2029 | Fuel Suppliers |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 3,449,562
2029 | Construction |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 399
2029 | Socio-environmental |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 37,899
After 2029 | Sale of Energy |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 23,238,136
After 2029 | Energy purchase |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 12,098,509
After 2029 | Acquisitions of fixed assets |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 1,158,755
After 2029 | Fuel Suppliers |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 3,162,100
After 2029 | Construction |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | 1,158
After 2029 | Socio-environmental |
Long term purchase of capital commitment [Line Items] |
Long-term commitments related to contracts for purchase of electricity and fuel | R$ 37,860

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- Definition The amount of capital commitments for which the entity has entered into a contract. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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