top of page

Capenhurst 100MW BESS Project

Project Location:

Capenhurst

Client Name:

H&MV Engineering / Zenobe Energy

Challenge

  • Working in close proximity to National Grid live assets.

  • On-time commissioning of key technologies.

  • Programme critical milestones to meet handover deadlines.

  • Interface with multiple stakeholders.

  • Completion of Stage 1 and Stage 2 commissioning, with bespoke equipment.

Solution

  • Close collaboration with the client, utilising an integrated commissioning team ethos.

  • OCU developed detailed Commissioning and Inspection & Test plans.

  • Full commissioning of NGET 275kV Bay.

  • New first and second main protection and all associated interface works.

  • SCADA and protection and Control interfacing.

  • Full turnkey solution for bespoke equipment commissioning.

  • Commissioning of 275/33kV SGT and 2 x 33kV/400V Aux TX’s

  • Commissioning of 8 Panel, 33kV Switchboard

  • Commissioning of 28 x 33kV Skids, each consisting of a 33kV RMU & 33kV/400v TX.

Project Description:

Capenhurst is a 100MW Battery Energy Storage System (BESS) connected to the National Grid (NGET) at 275kV.

Key Stats:

  • First Battery Storage project in the world with a commercial contract to absorb reactive power direct from a Transmission Network

  • First Battery Storage Project to connect directly to the Transmission Network in the UK

  • Was the largest transmission connected Battery Storage project in Europe

  • Was the first Battery Storage project in England to use the Revised Planning Regime to enable 100MW Battery Storage

3 months

Duration

Outcome

  • Project successfully delivered to programme schedule and budget.

  • OCU provided staff trained to TP141 Commissioning Authorisation which enabled project delivery.

  • Project was fully completed and handed over with zero harm during delivery.

  • Full regulatory and legislation compliance was achieved, with no Environmental incidents.

  • Successful delivery of the project which contained contained Reactive Power Mechanism.

bottom of page