Tools
| Year ended December 31, 2019 | Year ended December 31, 2018 | |
|---|---|---|
| Transmission services | 1,362 | 1,259 |
| External services – repairs and operation | 517 | 465 |
| Transport services | 174 | 239 |
| IT services | 107 | 86 |
| Telecommunications services | 22 | 24 |
| Leases and rents | 16 | 47 |
| Consultancy services | 49 | 80 |
| Other | 301 | 281 |
| TOTAL COSTS OF EXTERNAL SERVICES | 2,548 | 2,481 |
