The pros and cons of overhead and underground power lines

Overhead

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

Pros:

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

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