Planning case PWSDZ379124

The development will consist of the removal of the existing Air Insulated Switchgear (AIS) electrical substation and the construction of a new 110 kV Gas Insulated Switchgear (GIS) electrical substation and will include the following elements: 1. Construction of a new substation compound of approximately 3916 m², with a c. 2.6 m high palisade fence around the entire perimeter of the substation. The compound comprises a new indoor 20 bay GIS building measuring c. 1, 090 sq.m (c. 44.5 (m) x c. 24.5 (m) x c. 16.3 (m). 2. Provision of new electrical plant and equipment within the substation including: -2 no. Transformer bunds (Length (c. 22.9m) x Width (c. 10.9m) x Height (c. 7.0m)); -2 no. 110 kV electrical transformers and associated outdoor electrical equipment to facilitate underground cable connections between the existing transmission circuits and the proposed GIS building. 3. Provision of site services including compound lighting, telecommunications, access roads and drainage. 4. Subsurface ground surface water attenuation tank (c. 143 m2 ). 5. All associated and ancillary site development works to accommodate the construction of the substation and transferring of the cable circuits from the existing AIS to the new GIS Building. 6. Retirement and removal of the above ground elements associated with the existing AIS.

This page connects records for one planning case. Separate permissions, amendments and phases may belong to a wider development. A notified commencement date does not confirm that building work started.

1. 2024-05-30

   Planning application received

   PWSDZ379124

2. 2024-07-24

   Grant date recorded

   PWSDZ379124

3. 2024-07-24

   Planning decision

   PWSDZ379124

   Permission granted

4. 2026-07-31

   Notified commencement

   Commencement notice

   The development will consist of the removal of the existing Air Insulated Switchgear (AIS) electrical substation and the construction of a new 110 kV Gas Insulated Switchgear (GIS) electrical substation and will include the following elements: 1. Construction of a new substation compound of approximately 3916 m², with a c. 2.6 m high palisade fence around the entire perimeter of the substation. The compound comprises a new indoor 20 bay GIS building measuring c. 1, 090 sq.m (c. 44.5 (m) x c. 24.5 (m) x c. 16.3 (m). 2. Provision of new electrical plant and equipment within the substation including: -2 no. Transformer bunds (Length (c. 22.9m) x Width (c. 10.9m) x Height (c. 7.0m)); -2 no. 110 kV electrical transformers and associated outdoor electrical equipment to facilitate underground cable connections between the existing transmission circuits and the proposed GIS building. 3. Provision of site services including compound lighting, telecommunications, access roads and drainage. 4. Subsurface ground surface water attenuation tank (c. 143 m2 ). 5. All associated and ancillary site development works to accommodate the construction of the substation and transferring of the cable circuits from the existing AIS to the new GIS Building. 6. Retirement and removal of the above ground elements associated with the existing AIS.

   Quantity not established for this notice.

   · Notice evidence

What this record establishes

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Planning scale and individual notice or phase quantities remain separate. Notice quantities are not added into a development total or completion percentage.