| 1988 | 1889 | 1990 | 1991 | 1992 | |
| Energía eléctrica | 1.232 | 1.303 | 1.322 | 1.430 | 1.359 |
| Gas manufact. | 28 | 16 | 31 | 9 | 11 |
| Gas natural | 36 | 224 | 252 | 222 | 249 |
| Fuelóleos | (*) | (*) | 540 | 489 | 508 |
| Gasóleos | (*) | (*) | 2.058 | 1.727 | 1.793 |
| Gasolinas y keroseno | 4.881 | 4.818 | 1.159 | 1.524 | 1.580 |
| Gases licuados | (*) | (*) | 480 | 488 | 404 |
| Coque de petróleo | (*) | (*) | 419 | 424 | 463 |
| Carbón | 239 | 227 | 192 | 194 | 135 |
| Otros combustibles | 428 | 361 | 300 | 214 | 205 |
| Total | 6.844 | 6.949 | 6.753 | 6.721 | 6.707 |