Pelham substation marks the starting point of the NLR project. While Pelham is not included within the Development Consent Order (DCO) boundary, works at the site are being delivered under permitted development rights and remain integral to the overall delivery of the NLR programme.

The substation will be expanded to enable the delivery of two new quad booster units to the northeast and southwest of the site. These quad boosters will help control the flow of electricity through the network, balancing power supply between different transmission lines and ensuring electricity can be directed where it's needed most.

The delivery of the quad booster units will require road closures across a two-week period. The details of this will be agreed with the local highways authority and we will seek to minimise day-to-day impacts as much as possible. There will be four quad booster movements in total.

To facilitate new connections, the substation will also see some diversions, relocations, and reconfiguration of the existing overhead line (OHL) and towers. This has the capacity to streamline the current tower configuration around the site and improve some visual impacts.

In the meantime, initial enabling works have been undertaken to make way for the new quad boosters. Enabling works are preparatory activities such as vegetation clearance, fencing installation, temporary access tracks, and scaffolding construction. These steps are needed before the main substation upgrades and overhead line improvements can begin.

We are undertaking flood modelling to ensure the construction within Prince of Wales Open Space will not be at risk from flooding. Flood compensation measures will be provided on site to manage this risk and leave a positive legacy following completion of the project.

Works are still being scheduled in this area, and we will communicate timings once the programme becomes clearer. Register your details with us here and we will let you know when more information becomes available.

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