SCAH Power Upgrades - PR27 Woodham Lane

The Contract is for the connection of 43000kVA with a high level of resilience via dual feed 132/11kV substations from West Weybridge GSP and Laleham GSP. The connection provides Defra with its future electrical requirements at its site at Weybridge. The works are majority Non-Contestable works and comprise the following elements:

Works at GSP

• Complete modification application (Mod App) with NG for increased load/new feeder at Laleham 132kV Grid.

• Install 132kV sealing end installation and commissioning of the new 132kV feeder CB at Laleham GSP

• Complete modification application (Mod App) with NG for increased load West Weybridge GSP with a 276MVA Transformer likely to require upgrade of SGT1 180MVA to a 240MVA

• Install 1 x 132kV CB at West Weybridge GSP

• Installation and commissioning of an Auto-Switching Scheme at West Weybridge GSP

• Shutdowns

• Wayleaves

• Install and commission 4 x RTUs at the newly constructed Substations

Upgrading SGT1 at West Weybridge

• Install and commission SGT1 180MVA to a 240MVA

Other Charges

• Operation & Maintenance Charges

• ECCR Charges

Cable Route Works

• Cable route feasibility Study

• Excavation, installation of 132kV cable (single circuit) and reinstatement, (between Laleham GSP and Sub 1 on customer site), approximately 11km

• Excavation, installation of 132kV cable (single circuit) and reinstatement, (between West Weybridge GSP and Sub 2 on customer site), approximately 2km

Substation works

• Install and commission a 60MVA dual wound 132/11kV transformer completed with ancillary plant, AVC, HV/LV protection panels, impedance earthing and Auxiliary transformers for both sub-stations.

• Install and commission a 9 panel 11kV switchboard complete with ancillary plant including 48V DC/110V DC battery charger & RTU etc for the sub-stations.

• Civil works including relating to the sub-stations.

Defra have taken the decision to progress with the works and are publishing this Contract Award Notice to confirm that UKPN will undertake these works. This notice updates a previous notice published on Contracts Finder on 12 December 2022.

Government spending data: This supplier has received £2,449,806 in 45 payments (over £25k) from Ministry of Justice, HMPPS, Metropolitan Police, Guy's and St Thomas' NHS FT (2023-01-04 to 2025-11-15). View full payment history →

Tender Documents

• Awarded contract notice on Contracts Finder → — Award notice
• 8600026142 Formal Offer v1 Weybridge_Redacted →