To increase and strengthen network capacity to accommodate the increasing energy flows we would need to build a new 400/275kV substation. This new substation would be located adjacent to (and connecting into) the existing Monk Fryston substation, which otherwise would be unable to accommodate the additional energy flowing from the uprated overhead lines.
The substation would:
have a footprint of approximately 80,000m2 (8 hectares);
have a maximum height of 15m at its highest point (including the gantries), although the heights of the substation and equipment are yet to be finalised;
contain four Super Grid Transformers (SGT) to help convert the voltage of the overhead lines (275kV)
to connect into the substation (400kV); and
include approximately 600m of underground cables to connect the overhead line circuits to the new substation.
*Please note that the above proposals are shown as they were presented during our statutory consultation in 2021.