320 MVA Substation - London, UK
Client: Global Technology Company
Size: 320 MVA
Appointment: Commissioning Agent (CxA)
Sygna was appointed as Commissioning Agent for the Substation supporting the client’s new data centre. The 220kV substation includes two 150MVA transformers supplied by 320MVA feeders.
Our scope covered design review through to energisation, aligning with the client’s commissioning standards.
Added Value
Early Design Input – Identified risks and commissionability concerns during early design phases, reducing late-stage rework.
Standard Alignment – Ensured full compliance with the client’s commissioning standards and HV/MV best practices.
Efficient Issue Resolution – Proactively managed and resolved commissioning issues, minimising delays to energisation.
Robust Documentation – Delivered detailed, structured documentation, including tag tracking, test records, and final reports.
Experienced Team Leadership – Provided technically strong, on-site leadership that enhanced coordination between EPC, vendors, and client teams.
Key Responsibilities
Design Phase Review – Reviewed design submissions, commissioning specs, and QA/QC plans.
Commissioning Planning – Developed the Commissioning Plan, logic diagrams, test scripts, and tag tracking matrices.
Testing Oversight – Witnessed and supported all testing phases (FAT, Levels 2–4) across factory and site activities.
Issue & Risk Management – Logged, tracked, and resolved commissioning issues to maintain programme integrity.
Reporting & Coordination – Produced daily and weekly progress reports and led commissioning meetings.
Project Handover – Reviewed O&M documentation and delivered the final commissioning report for client acceptance.
