Introduction: A specific element of ENWLs Customer / Quality of Supply strategy is improving our performance in relation to the location and repair of faults on our overhead line network, one method of achieving this is the installation and trial of an automated fault location system. Significant analysis has been undertaken on ENWLs Internet Information Services (IIS) performance data which had identified the location of Ofgem defined worst served customers who suffer from a disproportionate number of faults due to a number of technical and economic reasons.

Objectives: The objective of this trial is to better understand the potential of such systems to identify Overhead Line (OHL) fault events and equally as importantly identify the location of faults on ENWLs OHL network.