| Single Quality Event | Total | Class | Sag | Swell | Harmonics | Interruption | Fluctuations |
| Sag | 400 | 1 | 1 | −1 | −1 | −1 | −1 |
| Swell | 400 | 2 | −1 | 1 | −1 | −1 | −1 |
| Harmonics | 400 | 3 | −1 | −1 | 1 | −1 | −1 |
| Interruption | 400 | 4 | −1 | −1 | −1 | −1 | −1 |
| Fluctuations | 400 | 5 | −1 | −1 | −1 | 1 | 1 |