09/09/2026
Great progress continues on the Thorpe Marsh 400 kV BESS project.
H&MV Engineering is delivering the project as Principal Designer and Principal Contractor, supporting developer Energy, backed by and the UK Government’s National Wealth Fund.
Following site mobilisation and formal handover, the project has now moved fully into the heavy civils phase, with full CDM control transferred to H&MV Engineering on 25 February 2025.
Key works currently underway include:
◾The civils team are continuing with drainage installation
◾Cable troughs and fencing works are nearing completion
◾A.I.S compound works are on-going with electrical fit-out commencing
◾National Grid User Bay works are advancing at pace
◾HV Grid Route duct installation complete, cable installation under way
◾Design development across civil, electrical and grid interfaces continues, nearing completion, with close coordination remains ongoing with NESO, National Grid, and Sungrow.
Health, safety and wellbeing remain at the forefront of this project, with over 130,000 H&MV hours worked with no recorded incidents as works progress across multiple fronts towards delivery on programme.
H&MV engineering are delighted to be delivering this important infrastructure, supporting the UK’s energy transition. ⚡