Maintenance of high voltage systems is crucial for ensuring their efficiency and longevity. Among the prominent practices employed are visual inspections, thermographic surveys, and insulation resistance testing. Maintenance is primarily performed every year, once before monsoon & again after monsoon, to determine whether any breakdowns. Repair and Maintenance of Power Distribution Lines IntroductIon Repair and maintenance of lines is very important for uninterrupted supply of electricity. Typically defined as systems operating at voltages above 1,000 volts AC and 1,500 volts DC, these systems are essential for facilitating the. This article discusses the critical role of high voltage electricians in the maintenance of power transmission lines, the real challenges they face, and how integrating innovative business intelligence and data analytics solutions, like those available through DataCalculus, can enhance maintenance. Preventive maintenance in the realm of electric power systems is a blend of technical expertise, deep analytical insights, and a systematic approach to operations management. In today's competitive environment, leveraging technologies like DataCalculus and advanced analytics is proving instrumental. In general, wind, rain, snow, fungi, lighting surges branches of trees and even whole trees, and sometimes animals of various sizes apart from deterioration due to continuous operation and mechanical breakdowns can stress overhead distribution lines, electrically and/or mechanically.