Table 1. Power line name, type of line (transmission or distribution), design (experimental or control) and number of years monitored after spiral attachment.
| Power line | Type | Length (km) | Design | Times after |
| Aranjuez E-O | Distribution | 2.0 | Control | One |
| Aranjuez N-S I | Transmission | 2.0 | Experimental | One |
| Aranjuez N-S II | Transmission | 4.1 | Experimental | One |
| Belvis-Cobeña | Transmission | 3.0 | Experimental | Three |
| Camarma-Fresno | Distribution | 2.0 | Experimental | Two |
| Camarma-Meco | Transmission | 1.6 | Experimental | Two |
| Camarma-Torote | Transmission | 2.1 | Experimental | Three |
| Campo Real-Valdilecha | Distribution | 3.2 | Experimental | Two |
| Daganzo-Alcalá | Distribution | 0.9 | Control | One |
| Daganzo-Fresno Rio | Distribution | 1.1 | Control | One |
| Daganzo-Torote | Transmission | 1.8 | Experimental | Three |
| El Colegio | Distribution | 3.0 | Experimental | Two |
| La Cueva-El Casar | Distribution | 1.5 | Control | One |
| Mesones | Distribution | 2.0 | Control | One |
| Pinto | Transmission | 1.5 | Experimental | Two |
| Pozuelo-Valdilecha | Distribution | 2.6 | Experimental | Two |
| Quer | Distribution | 1.4 | Experimental | One |
| San Martín de la Vega | Distribution | 1.7 | Experimental | Two |
| Valdepiélagos-Talamanca I | Distribution | 2.2 | Experimental | One |
| Valdepiélagos-Talamanca II | Distribution | 0.5 | Control | One |
| Valdetorres-La Jara | Distribution | 1.4 | Control | One |
| Villanueva-Quer | Distribution | 1.5 | Experimental | One |