Regulatory inspection of HV grids in Catalonia

Im3 carries out an audit of 1600 km of overhead power lines for the Spanish national grid and Endesa

Between 2015 and 2017, Im3 conducted an audit of 1000 km of overhead HV lines and 600 km belonging to the companies Red Eléctrica de España (the Spanish national grid) and Endesa Distribución Eléctrica as verification by the competent body (the general directorate for energy, mines and industrial safety) of the stipulations of Decree 328/2001 of 4th December 2001.

This involved helicopter flights using high-resolution cameras and thermographic cameras. Alongside this electromagnetic fields were measured, safety distances and the existence and state of birdlife protection measures verified and earth systems, forward and contact voltages at frequented points checked.