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ZA Overhead Line Route major refurbishment

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SP Transmissions continuing investment and modernisation of the network across central and southern Scotland has recently seen the successful completion of a major refurbishment of a key overhead transmission line.

ZA overhead line route runs at 400 kV between the substations situated at Cockenzie on the Firth of Forth and Eccles in the borders area covering an approximate distance of 65 km. The line was first constructed in the mid 1960’s and the refurbishment will ensure it continues to play an important part in the network well into the future.

ZA overhead line route runs at 400 kV between the substations situated at Cockenzie on the Firth of Forth and Eccles in the borders area covering an approximate distance of 65 km - feeding the distribution networks in Lothian and Borders and allowing the safe power supply to tens of thousands of homes and businesses. The line was first constructed in the mid 1960’s and the refurbishment ensures it continues to play an important part in the energy network across central and southern Scotland.

With around 190 towers involved, the significant programme of work included tower inspections and any identified maintenance completed. The activity also included the conductors and insulators being renewed along with the towers being painted. 

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The programme of work took place over the last 2 years with an investment cost in excess of £40 million. Delivering the project has presented the project team with many challenges with the line crossing national infrastructure, waterways along with other obstacles as it travels along the route.  

One of SP Energy Networks priorities is protecting the environment and an Environmental Management Plan was in place throughout the duration of the work to ensure minimal impact at all site locations. Much of the line is situated in a rural setting and has involved significant work by SPEN Wayleave Officers agreeing access arrangements with land owners along the route.

SPENs refurbishment and modernisation projects ensure the transmission network is playing a central role supporting the countries move to clean energy and achieving zero carbon targets.

Contact Information

Should you require any further information please make contact via the following phone number or email address:

Community Liaison phone number – 07516461129
Community Liaison email – majorprojects@spenergynetworks.com
Press Enquiries – 0141 614 4535

 

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