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Intangible Assets (Tables) | 12 Months Ended
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Dec. 31, 2024
Intangible Assets |
Schedule of Composition of Intangible Assets |
|  |  | Dec. 31, 2024 |  |  |  | Dec. 31, 2023
Historical cost |  | Accumulated amortization |  | Net value |  | Historical cost |  | Accumulated amortization |  | Net value
In service |  |  |  |  |  |  |  |  |  |  |
Useful life defined |  |  |  |  |  |  |  |  |  |  |
Temporary easements | 15 |  | (8) |  | 7 |  | 15 |  | (7) |  | 8
Onerous concession | 14 |  | (11) |  | 3 |  | 14 |  | (10) |  | 4
Assets of concession | 27,594 |  | (11,766) |  | 15,828 |  | 25,217 |  | (10,933) |  | 14,284
Assets of concession - GSF | 1,031 |  | (467) |  | 564 |  | 1,031 |  | (334) |  | 697
Others | 174 |  | (90) |  | 84 |  | 139 |  | (79) |  | 60
| 28,828 |  | (12,342) |  | 16,486 |  | 26,416 |  | (11,363) |  | 15,053
In progress | 320 |  | - |  | 320 |  | 196 |  | - |  | 196
Net intangible assets | 29,148 |  | (12,342) |  | 16,806 |  | 26,612 |  | (11,363) |  | 15,249
Schedule of Changes in Intangible Assets |
| Dec. 31, 2023 |  | Additions |  | Disposals |  | Amortization |  | Transfers (1) |  | Dec. 31, 2024
In service |  |  |  |  |  |  |  |  |  |  |
Useful life defined |  |  |  |  |  |  |  |  |  |  |
Temporary easements | 8 |  | - |  | - |  | (1) |  | - |  | 7
Onerous concession | 4 |  | - |  | - |  | (1) |  | - |  | 3
Assets of concession | 14,284 |  | 24 |  | (62) |  | (1,000) |  | 2,582 |  | 15,828
Assets of concession - GSF | 697 |  | - |  | - |  | (133) |  | - |  | 564
Others | 60 |  | 10 |  | - |  | (11) |  | 25 |  | 84
| 15,053 |  | 34 |  | (62) |  | (1,146) |  | 2,607 |  | 16,486
In progress | 196 |  | 214 |  | - |  | - |  | (90) |  | 320
Net intangible assets | 15,249 |  | 248 |  | (62) |  | (1,146) |  | 2,517 |  | 16,806
(1) | The transfers were made between concession contract assets to Intangible assets: in 2024 of R$2,517 (R$1,590 in 2023).
|  | Dec. 31, 2022 |  | Additions |  | Disposals |  | Amortization |  | Transfers (1) |  | Dec. 31, 2023
In service |  |  |  |  |  |  |  |  |  |  |  |
Useful life defined |  |  |  |  |  |  |  |  |  |  |  |
Temporary easements |  |  | 9 |  |  | - |  |  | - |  |  | (1) |  |  | - |  |  | 8
Onerous concession |  |  | 4 |  |  | - |  |  | - |  |  | - |  |  | - |  |  | 4
Assets of concession |  |  | 13,555 |  |  | 3 |  |  | (81 |  |  | (914) |  |  | 1,721 |  |  | 14,284
Assets of concession - GSF |  |  | 832 |  |  | - |  |  | - |  |  | (135) |  |  | - |  |  | 697
Others |  |  | 15 |  |  | 26 |  |  | (10) |  |  | (5) |  |  | 34 |  |  | 60
|  |  | 14,415 |  |  | 29 |  |  | (91) |  |  | (1,055) |  |  | 1,755 |  |  | 15,053
In progress |  |  | 206 |  |  | 158 |  |  | (3) |  |  | - |  |  | (165) |  |  | 196
Net intangible assets |  |  | 14,621 |  |  | 187 |  |  | (94) |  |  | (1,055) |  |  | 1,590 |  |  | 15,249
(1) | The transfers were made between concession contract assets to Intangible assets: R$1,590 in 2023 (R$2,448 in 2022).
|  | Dec. 31, 2021 |  | Additions |  | Disposals |  | Amortization |  | Transfers (1) |  | Dec. 31, 2022 |
In service |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life defined |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary easements |  |  | 10 |  |  | - |  |  | - |  |  | (1) |  |  | - |  |  | 9 |
Onerous concession |  |  | 5 |  |  | - |  |  | - |  |  | (1) |  |  | - |  |  | 4 |
Assets of concession |  |  | 11,807 |  |  | - |  |  | (57) |  |  | (817) |  |  | 2,622 |  |  | 13,555 |
Assets of concession - GSF |  |  | 966 |  |  | - |  |  | - |  |  | (134) |  |  | - |  |  | 832 |
Other |  |  | 4 |  |  | 13 |  |  | - |  |  | (3) |  |  | 1 |  |  | 15 |
|  |  | 12,792 |  |  | 13 |  |  | (57) |  |  | (956) |  |  | 2,623 |  |  | 14,415 |
In progress |  |  | 161 |  |  | 106 |  |  | - |  |  | - |  |  | (61) |  |  | 206 |
Net intangible assets |  |  | 12,953 |  |  | 119 |  |  | (57) |  |  | (956) |  |  | 2,562 |  |  | 14,621 |
(1) | The main transfers were made between concession contract assets to Intangible assets: in 2022 of R$2,448.
Schedule of Amortization Rates | The main amortization rates are as follows:
Energy |  | (%) |  | Administration |  | (%)
System cable - below 69 KV |  | 6.67 |  | Software |  | 20.00
System cable - below 69 KV |  | 3.57 |  | Vehicles |  | 14.29
Structure - Posts |  | 3.57 |  | General equipment |  | 6.25
Overhead distribution transformer |  | 4.00 |  | Buildings |  | 3.33
Circuit breaker - up to 69 kV |  | 3.03 |  |  |  |
Capacitor bank - up to 69 kV |  | 6.67 |  |  |  |
Voltage regulator - up to 69 kV |  | 4.35 |  |  |  |
Gas |  | (%) |  | Administration |  | (%)
Tubing |  | 3.33 |  | Software |  | 20.00
Buildings, works and improvements |  | 4.00 |  | Vehicles |  | 20.00
Improvements in leased properties |  | 10.00 |  | Data processing equipment |  | 20.00
Machinery and equipment |  | 5.00 to 20.00 |  | Furniture |  | 10.00
The annual average amortization rate is 4.03% and by segment is follows:
Hydroelectric Generation | Wind Power Generation | Gas | Distribution |  | Administration
20.75% | 5.78% | 3.41% | 3.92% |  | 15.69%
Schedule of Power Plant Offer for Tender |
Plant re-offered for tender |  | Amount
São Simão |  |  | 783
Miranda |  |  | 146
Jaguara |  |  | 237
Volta Grande |  |  | 157
Total |  |  | 1,323

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