| Bus | Index | Max. Capacity (MW) | Min. Capacity (MW) | marginal cost (₤/MWh) |
| 1 | G1 | 0 | 140 | 8 |
| 1 | G2 | 0 | 285 | 10 |
| 2 | G3 | 0 | 200 | 15 |
| 3 | G4 | 0 | 90 | 20 |