National Grid to pay £20m after failing to maintain critical substation

These breaches by National Grid included failing to properly monitor, maintain, and repair civil assets, or to plan and resource remediation works at the Harker site - (PA Archive)

National Grid has agreed to pay £20 million to the energy watchdog Ofgem after failing to properly repair and maintain a key substation in Cumbria.

Ofgem stated that National Grid Electricity Transmission (NGET) admitted breaching its licence terms at the Harker substation, near Carlisle, between November 2016 and November 2021.