| Contingency | Difference in losses from System Healthy [MW] | Difference in losses based on System Healthy [MW] |
| System Health | ||
| Acacia-Koeberg 400 | 3 | 0% |
| Alpha-Beta 765 | 80 | 5% |
| Aurora-Juno 400 | −9 | 0% |
| Beta-765400 trafo | −4 | 0% |
| Beta-Hydra 400 | 27 | 2% |
| Beta-Perseus 765 | 55 | 3% |
| Beta-Persus 400 | 1 | 0% |
| Droёrivier-Proteus | 43 | 3% |
| Droёrivier-Kapa 400 | 22 | 1% |
| Gramma-Grassridge 765 | 37 | 2% |
| Gramma-Hydra 765 | 75 | 4% |
| Gramma-Kapa 765 | 172 | 10% |
| Gramma-765400 trafo | 9 | 1% |
| Hydra-Droёrivier 400-3 | 12 | 1% |
| Hydra-Kronos 400 | 80 | 5% |
| Kapa-765400 trafo | 1 | 0% |
| Kapa-Bacchus 400 | 21 | 1% |
| Kapa-Muldersvlei 400 | 18 | 1% |
| Kapa-Omega 765 | 84 | 5% |
| Muldersvlei-Acacia 400 | 2 | 0% |
| Muldersvlei-Bacchus 400 | −1 | 0% |
| Omega-765400 trafo | 7 | 0% |
| Perseus-765400 trafo | −3 | 0% |
| Perseus-Gamma 765 | 147 | 9% |
| Perseus-Grootvlei 400 | 18 | 1% |
| Perseus-Hydra 400 | 24 | 1% |
| Perseus-Hydra 765 | 146 | 9% |
| Perseus-Mercury | 158 | 9% |
| Zeus-765400 trafo | 8 | 0% |
| Zeus-Mercury 765 | 161 | 9% |