| MAPE (%) | RMSE (R$/MWh) | TAI (%) | |
| Southeast | 14.00 | 87.27 | 60.08 |
| South | 13.00 | 81.97 | 46.64 |
| Northeast | 9.06 | 63.94 | 46.24 |
| North | 13.16 | 82.41 | 54.03 |