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Property, Plant And Equipment (Tables) | 12 Months Ended
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Dec. 31, 2023
Property, plant and equipment [abstract] |
Schedule of Movement in Property, Plant and Equipment |
|  | 2023 |  |  | 2022 |
|  | Historical cost |  |  | Accumulated depreciation |  |  | Net value |  |  | Historical cost |  |  | Accumulated depreciation |  |  | Net value |
In service |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land |  |  | 247 |  |  |  | (33 | ) |  |  | 214 |  |  |  | 247 |  |  |  | (30 | ) |  |  | 217 |
Reservoirs, dams and watercourses |  |  | 3,323 |  |  |  | (2,470 | ) |  |  | 853 |  |  |  | 3,303 |  |  |  | (2,433 | ) |  |  | 870 |
Buildings, works and improvements |  |  | 1,095 |  |  |  | (868 | ) |  |  | 227 |  |  |  | 1,092 |  |  |  | (859 | ) |  |  | 233 |
Machinery and equipment |  |  | 2,826 |  |  |  | (2,078 | ) |  |  | 748 |  |  |  | 2,765 |  |  |  | (2,059 | ) |  |  | 706 |
Vehicles |  |  | 19 |  |  |  | (15 | ) |  |  | 4 |  |  |  | 15 |  |  |  | (13 | ) |  |  | 2 |
Furniture and utensils |  |  | 14 |  |  |  | (11 | ) |  |  | 3 |  |  |  | 14 |  |  |  | (11 | ) |  |  | 3 |
|  |  | 7,524 |  |  |  | (5,475 | ) |  |  | 2,049 |  |  |  | 7,436 |  |  |  | (5,405 | ) |  |  | 2,031 |
In progress |  |  | 1,207 |  |  |  | - |  |  |  | 1,207 |  |  |  | 379 |  |  |  | - |  |  |  | 379 |
Net property, plant and equipment |  |  | 8,731 |  |  |  | (5,475 | ) |  |  | 3,256 |  |  |  | 7,815 |  |  |  | (5,405 | ) |  |  | 2,410 |
Changes in PP&E are as follows:
|  | 2022 |  |  | Additions (2) |  |  | Business Combination |  |  | Disposals - Assets classified as held for sale |  |  | Reversal of provision |  |  | Depreciation |  |  | Transfers / Capitalizations |  |  | 2023 |
In service |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land (1) |  |  | 217 |  |  |  | - |  |  |  | - |  |  |  | (2 | ) |  |  | - |  |  |  | (3 | ) |  |  | 2 |  |  |  | 214 |
Reservoirs, dams and watercourses |  |  | 870 |  |  |  | - |  |  |  | - |  |  |  | (22 | ) |  |  | - |  |  |  | (79 | ) |  |  | 84 |  |  |  | 853 |
Buildings, works and improvements |  |  | 233 |  |  |  | - |  |  |  | - |  |  |  | (5 | ) |  |  | - |  |  |  | (17 | ) |  |  | 16 |  |  |  | 227 |
Machinery and equipment |  |  | 706 |  |  |  | 1 |  |  |  | 70 |  |  |  | (29 | ) |  |  | (1 | ) |  |  | (69 | ) |  |  | 70 |  |  |  | 748 |
Vehicles |  |  | 2 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | (2 | ) |  |  | 4 |  |  |  | 4 |
Furniture and utensils |  |  | 3 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3 |
|  |  | 2,031 |  |  |  | 1 |  |  |  | 70 |  |  |  | (58 | ) |  |  | (1 | ) |  |  | (170 | ) |  |  | 176 |  |  |  | 2,049 |
In progress |  |  | 380 |  |  |  | 1,005 |  |  |  | - |  |  |  | - |  |  |  | (2 | ) |  |  | - |  |  |  | (176 | ) |  |  | 1,207 |
Net property, plant and equipment |  |  | 2,411 |  |  |  | 1,006 |  |  |  | 70 |  |  |  | (58 | ) |  |  | (3 | ) |  |  | (170 | ) |  |  | - |  |  |  | 3,256 |
(1) Certain land linked to concession agreements with no indemnity provision is depreciated over the concession period. (2) This includes investments in the Boa Esperança and Jusante photovoltaic solar plants – respectively of R$369 and R$339.
|  | 2021 |  |  | Additions |  |  | Disposals |  |  | Depreciation |  |  | Transfers / Capitalizations |  |  | 2022 |
In service |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land (1) |  |  | 220 |  |  |  | - |  |  |  | - |  |  |  | (3 | ) |  |  | - |  |  |  | 217 |
Reservoirs, dams and watercourses |  |  | 944 |  |  |  | - |  |  |  | - |  |  |  | (81 | ) |  |  | 7 |  |  |  | 870 |
Buildings, works and improvements |  |  | 248 |  |  |  | - |  |  |  | - |  |  |  | (17 | ) |  |  | 2 |  |  |  | 233 |
Machinery and equipment |  |  | 697 |  |  |  | - |  |  |  | (12 | ) |  |  | (70 | ) |  |  | 91 |  |  |  | 706 |
Vehicles |  |  | 1 |  |  |  | - |  |  |  | - |  |  |  | (1 | ) |  |  | 2 |  |  |  | 2 |
Furniture and utensils |  |  | 3 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3 |
|  |  | 2,113 |  |  |  | - |  |  |  | (12 | ) |  |  | (172 | ) |  |  | 102 |  |  |  | 2,031 |
In progress |  |  | 306 |  |  |  | 176 |  |  |  | - |  |  |  | - |  |  |  | (102 | ) |  |  | 380 |
Net property, plant and equipment |  |  | 2,419 |  |  |  | 176 |  |  |  | (12 | ) |  |  | (172 | ) |  |  | - |  |  |  | 2,411 |
(1) Certain land linked to concession agreements with no indemnity provision is amortized over the concession period.
|  | 2020 |  |  | Additions |  |  | Disposals |  |  | Depreciation |  |  | Write-off (2) |  |  | Transfers / capitalizations |  |  | Reversion of provision |  |  | 2021 |
In service |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Land (1) |  |  | 224 |  |  |  | - |  |  |  | (1 | ) |  |  | (3 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 220 |
Reservoirs, dams and watercourses |  |  | 1,020 |  |  |  | - |  |  |  | - |  |  |  | (81 | ) |  |  | - |  |  |  | 5 |  |  |  | - |  |  |  | 944 |
Buildings, works and improvements |  |  | 264 |  |  |  | - |  |  |  | - |  |  |  | (17 | ) |  |  | - |  |  |  | 1 |  |  |  | - |  |  |  | 248 |
Machinery and equipment |  |  | 717 |  |  |  | - |  |  |  | (14 | ) |  |  | (69 | ) |  |  | - |  |  |  | 63 |  |  |  | 43 |  |  |  | 697 |
Vehicles |  |  | 2 |  |  |  | - |  |  |  | - |  |  |  | (1 | ) |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 1 |
Furniture and utensils |  |  | 3 |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |  |  |  | 3 |
|  |  | 2,230 |  |  |  | - |  |  |  | (15 | ) |  |  | (171 | ) |  |  | - |  |  |  | 69 |  |  |  | 43 |  |  |  | 2,113 |
In progress |  |  | 177 |  |  |  | 182 |  |  |  | - |  |  |  | - |  |  |  | 16 |  |  |  | (69 | ) |  |  | - |  |  |  | 306 |
Net property, plant and equipment |  |  | 2,407 |  |  |  | 182 |  |  |  | (15 | ) |  |  | (171 | ) |  |  | 16 |  |  |  | - |  |  |  | 43 |  |  |  | 2,419 |
(1) Certain land sites linked to concession contracts and without provision for reimbursement are amortized in accordance with the period of the concession. (2) Reversal of a provision previously recognized for impairment of works in progress assets.
Schedule of Summary of Property Plant and Equipment Depreciation Rate |
Generation |  | (%) |  |  | Administration |  | (%) |
Reservoirs, dams and watercourses |  |  | 2 |  |  | Software |  |  | 20 |
Buildings - Machine room |  |  | 2 |  |  | Vehicles |  |  | 14.29 |
Buildings - Other |  |  | 3.33 |  |  | IT equipment in general |  |  | 16.67 |
Generator |  |  | 3.33 |  |  | General equipment |  |  | 6.25 |
Water turbine |  |  | 2.5 |  |  | Buildings - Other |  |  | 3.33 |
Pressure tunnel |  |  | 3.13 |  |  |  |  |  |
Command station, panel and cubicle |  |  | 3.57 |  |  |  |  |  |
Floodgate |  |  | 3.33 |  |  |  |  |  |
Schedule of Consortium |
|  | Stake in power output (%) |  |  | Average annual depreciation rate (%) |  |  | 2023 |  |  | 2022 |
In service |  |  |  |  |  |  |  |  |  |  |  |
Queimado Power Plant |  |  | 82.50 |  |  |  | 3.94 |  |  |  | 220 |  |  |  | 220 |
Accumulated depreciation |  |  |  |  |  |  |  |  | (142 | ) |  |  | (135 | )
Total operation |  |  |  |  |  |  |  |  | 78 |  |  |  | 85 |
In progress |  |  |  |  |  |  |  |  |  |  |  |
Queimado Power Plant |  |  | 82.50 |  |  |  | - |  |  |  | 2 |  |  |  | 2 |
Total construction |  |  |  |  |  |  |  |  | 2 |  |  |  | 2 |
Total |  |  |  |  |  |  |  |  | 80 |  |  |  | 87 |

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