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25 Research and Development and Energy Efficiency (Tables) | 12 Months Ended
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Dec. 31, 2019
Research And Development And Energy Efficiency [Abstract] |
Schedule of investment in research and development and the energy efficiency program | 25.1 Balances recognized for investment in Research and Development (R&D) activities and the Energy Efficiency Program (EEP)
| Amounts payable, before any related prepayments | Amounts payable to regulatory agencies | Other amounts payable | Balance as of | Balance as of
| 12.31.2019 | 12.31.2018
Research and Development - R&D |  |  |  |  |
FNDCT | - | 4,046 | - | 4,046 | 4,725
MME | - | 2,023 | - | 2,023 | 2,361
R&D | 174,032 | - | 167,626 | 341,658 | 327,626
| 174,032 | 6,069 | 167,626 | 347,727 | 334,712
Energy efficiency program - EEP |  |  |  |  |
Procel | - | 16,410 | - | 16,410 | 15,792
EEP | 48,518 | - | 245,516 | 294,034 | 242,231
| 48,518 | 16,410 | 245,516 | 310,444 | 258,023
| 222,550 | 22,479 | 413,142 | 658,171 | 592,735
|  |  | Current | 375,395 | 270,429
|  |  | Non-current | 282,776 | 322,306
Schedule of changes in research and development and the energy efficiency program | 25.2 Changes in R&D and EEP balances
| FNDCT | MME | R&D | Procel | EEP | Total
Balance as of January 1, 2018 | 5,232 | 2,616 | 316,121 | 6,041 | 202,465 | 532,475
Effect of acquisition of control |  |  |  |  |  |
of Costa Oeste and Marumbi | 23 | 9 | 467 | - | - | 499
Additions | 31,186 | 15,595 | 31,188 | 9,067 | 36,270 | 123,306
Performance agreement | - | - | - | - | 2,063 | 2,063
Interest rate (Note 33) | - | - | 12,627 | 684 | 12,096 | 25,407
Payments | (31,716) | (15,859) | - | - | - | (47,575)
Concluded projects | - | - | (32,777) | - | (10,663) | (43,440)
Balance as of December 31, 2018 | 4,725 | 2,361 | 327,626 | 15,792 | 242,231 | 592,735
Business combination effects | 20 | 10 | 1,464 | - | - | 1,494
Additions | 32,311 | 16,155 | 32,312 | 9,333 | 37,321 | 127,432
Performance agreement | - | - | - | - | 3,246 | 3,246
Interest rate (Note 33) | - | - | 10,627 | 51 | 13,892 | 24,570
Transfers | - | - | - | (3,123) | 3,123 | -
Payments | (33,010) | (16,503) | - | (5,643) | 990 | (54,166)
Concluded projects | - | - | (30,371) | - | (6,769) | (37,140)
Balance as of December 31, 2019 | 4,046 | 2,023 | 341,658 | 16,410 | 294,034 | 658,171

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