LOCAL supply chain partners have helped SP Energy Networks (SPEN) deliver a £19 million refurbishment of a key electricity transmission line between Gretna and Chapelcross. The project, which forms part of ScottishPower’s wider investment programme to maintain and modernise the transmission network, involved the refurbishment of the 132kV AL Route, a 14.23km overhead line supported by more than 50 steel towers. In addition to strengthening the e…
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