Comparison between overhead cable and underground cable

Overhead Cable Underground Cable
The interference from external disturbance like a storm, lightning ice, trees, etc is more. DThe interference from external disturbance like a storm, lighting, ice, trees is minimum
The overhead cables are less costly as compared with the underground cable. The underground is more costly as compared with the overhead system for the same voltage.
The right of way requirement is more in the case of underground cable. The right of the way requirement is less the case of underground cable.
The possibilities of supply interruption due to lighting and other external influence are more than with overhead cable. The possibility of supply interruption due to lighting and other external influences cable.
The location of the fault in overhead line in easily found. In the case of underground cable, the fault occurs due to any reasons is not easily located.
For long –distance transmission over headline cable can be used. For the long-distance transmission cable cannot be used due to their long charging current.
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