ScottishPower and National Grid are beginning work on plans to upgrade the electricity interconnector between Scotland and England after energy regulator Ofgem approved the £168 million investment. According to ScottishPower the eastern interconnector needs to be upgraded to 400 kV to accommodate the large amount of wind energy generation seeking connections to its wires in southern Scotland. The cost will be split between ScottishPower, which will pay £60 million and National Grid, which shoulders £108 million. ScottishPower says planning consent will be needed for two substations associated with the upgrade and it plans to lodge a planning application some time this year.
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