Hotline Insulator Washing of Overhead Transmission Lines and Distribution System is usually one of the major responsibilities of Power transmission and distribution operator companies worldwide. Cost involved on regular basis maintenance is object under study for all these companies, being a problem when inappropriate maintenance schedules are applied as sometimes corrective maintenance cost, due to lack of maintenance, are much higher than the implementation of proper maintenance program schedules.

Taking into consideration that proper maintenance programs extends installation lifetime, ensuring assets value and with the added value of proper maintenance of these transmission and distribution power lines will increase network reliability, performance during aggressive weather conditions and save cost with the power transmission and distribution due to unnecessary lost by leaks, downtime due to failures and outages. Obviously, we face costs saving while network elements have a less amount of critical failures and damages.

Hotline Insulator Washing of Overhead Power Lines and Substation is a largely used method since the earlies 1960, and considered as one of the safest method of insulator maintenance. Overhead transmission and distribution lines washing on a regular basis ensures no outages due to bad weather conditions such as fog, dirt and further.

Therefore, it increases efficiency and circuit reliability, improves safety and reduces overall costs compared to any other de-energized maintenance method.

High Line Division S.L. has been performing Hotline Insulator Washing of Overhead Power Lines for years, being this maintenance method one of the specialties of the Company and giving us a reputed name in the international market.

With an exhaustive portfolio of successfully completed projects from voltages up to 400 kV, we have the capability to mobilize our Crews and Equipment to desert and remote locations providing our customers with a "Door to Door" service at its installations exceeding their expectations.