Chapelcross to Gretna 132kV Overhead Line

Scotland

Due to an increased level of generation in the area, SP Transmission Ltd (SPT) requires the rebuilding of 17.5km of existing overhead line through the Scottish Borders between Chapelcross and an existing high voltage overhead line, which eventually links to Harker Substation at Gretna. The 132kV connection is to be carried by a wood pole, including single and double pole types. The existing 132kV pylon line along the route is to be dismantled.

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The project requires consent under Section 37 of the Electricity Act 1989, to construct and keep installed the overhead line. Section 37 Applications are made to the Energy Consents Unit within the Scottish Government’s Energy Division, who have responsibility under the Electricity Act for processing Section 37 applications.

Gillespies’ team was commissioned by SP Energy Networks to apply their particular expertise in supporting electricity transmission and distribution projects through the route optioneering, feasibility, consenting and construction phases.

The routeing process followed established guidance including the Holford Rules and SP Energy Networks sequential approach to routeing of overhead lines. This ensured that all issues were fully considered and that the route selected avoided the most sensitive, valued natural and man-made features and landscapes.