How Do We Build A Electricity Pylon?

What happens when National Grid needs to replace an electricity pylon?

As part of a transmission tower replacement programme between Pembroke and Swansea we filmed the construction team taking down an old tower and building the new one.

It took 2 weeks to complete the work and this was just one of 270 towers that scheduled for replacement or maintenance. The whole project will take around 2 years to complete.

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