The Pros and Cons of Overhead and Underground Power Lines


OVERHEAD POWER LINES

PROS:

  • Less expensive to build and repair
  • Easier to spot faults/damage
  • Can be built on any terrain

CONS:

  • Susceptible to wind, ice and snow
  • More vulnerable to damage from trees and vegetation
  • More vulnerable to blinks caused by animals
  • Susceptible to damage from vehicle collisions

 


UNDERGROUND POWER LINES

PROS:

  • Less susceptible to vehicle collisions
  • Not impacted by trees, wind, ice and snow
  • Less vulnerable to blinks caused by animals

CONS:

  • More expensive to build and repair
  • Susceptible to flooding
  • Difficult to locate faults/damage
  • Vulnerable to damage from digging