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Research and Development and Energy Efficiency (Tables) | 12 Months Ended
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Dec. 31, 2023
Notes and other explanatory information [abstract] |
Schedule of balances recognized for investment in research and development |
Schedule of balances recognized for investment in research and development |  |  |  |  |
Consolidated | Disbursed and not completed | Balance to be collected | Balance to disburse | Balance as of | Balance as of
| 12.31.2023 | 12.31.2022
Research and Development - R&D |  |  |  |  |
FNDCT | - | 5,781 | - | 5,781 | 6,588
MME | - | 2,891 | - | 2,891 | 3,314
R&D | 153,048 | 1,359 | 47,464 | 201,871 | 260,243
| 153,048 | 10,031 | 47,464 | 210,543 | 270,145
Energy efficiency program - EEP |  |  |  |
Procel | - | 23,613 | - | 23,613 | 11,960
EEP | 139,610 | 10,822 | 169,086 | 319,518 | 332,653
| 139,610 | 34,435 | 169,086 | 343,131 | 344,613
| 292,658 | 44,466 | 216,550 | 553,674 | 614,758
|  |  | Current | 320,196 | 370,244
|  |  | Noncurrent | 233,478 | 244,514
National Fund for Scientific and Technological Development - FNDCT |  |  |
National Program of Electricity Conservation - Procel |  |  |  |
Schedule of changes in R&D and EEP balances |
Schedule of changes in R&D and EEP balances |  |  |  |  |  |
Consolidated | FNDCT | MME | R&D | Procel | EEP | Total
Balance as of January 1, 2022 | 7,584 | 3,790 | 286,029 | 19,883 | 309,811 | 627,097
Additions | 39,044 | 19,535 | 39,070 | 11,298 | 45,191 | 154,138
Performance agreement | - | - | - | - | 2,552 | 2,552
Interest rate (Note 32) | - | - | 6,197 | 3,799 | 24,648 | 34,644
Transfers | - | - | - | (3,685) | 3,685 | -
Payments | (40,040) | (20,011) | (8,061) | (19,335) | (29,740) | (117,187)
Concluded projects | - | - | (62,992) | - | (23,494) | (86,486)
Balance as of December 31, 2022 | 6,588 | 3,314 | 260,243 | 11,960 | 332,653 | 614,758
Additions | 40,011 | 20,004 | 40,019 | 12,200 | 48,805 | 161,039
Performance agreement | - | - | - | - | 4,420 | 4,420
Interest rate (Note 32) | - | - | 5,930 | (547) | 21,618 | 27,001
Transfers (b) | 5,802 | 2,900 | 1,739 | - | - | 10,441
Payments | (46,620) | (23,327) | (9,695) | - | (16,450) | (96,092)
Concluded projects | - | - | (87,675) | - | (71,528) | (159,203)
Reclassification (a) | - | - | (8,690) | - | - | (8,690)
Balance as of December 31, 2023 | 5,781 | 2,891 | 201,871 | 23,613 | 319,518 | 553,674
| (a) | Reclassification to Liabilities classified as held for sale (Note 39).
| (b) | Transfers to assets - Law No. 14,514/2023

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