220 kV Gas Insulated Switchgear substation, 2 no. 220 kV underground circuits forming a loop-in/loop-out to the existing Maynooth-Woodland 220 kV Overhead Line and 6 no. 220 kV underground circuits and associated low voltage and communication underground cabling connecting the proposed substation with electricity transformers within the Intel Ireland Facility, and all associated and ancillary site development works.