Amey - Planned and Reactive Maintenance of the CVL HV Power Systems
The contract covers planned, cyclical and reactive inspection, maintenance, repair and renewal of the Central Valley Lines (CVL) traction and non-traction high-voltage power systems for Seilwaith Amey Cymru / Amey Infrastructure Wales Limited, an infrastructure organisation responsible for rail assets in Wales. The supplier will maintain associated feeder and switching stations, 25kV traction assets, 11kV non-traction supplies, auxiliary transformers, protection systems, cables and related infrastructure, while also supporting separately instructed project works. Performance requirements include Network Rail standards and the Employer’s specifications, competent personnel for access planning, isolations and technical support, 24/7 emergency fault response, defined response times and KPIs, and complete inspection, testing and defect records. The estimated contract value is £1,000,000, with the duration or end date not stated in the available information. Services will be delivered across Wales, including West Wales and the Valleys, East Wales, Anglesey, Gwynedd, Conwy and Denbighshire, and other listed Welsh regions. The critical qualification is demonstrated competence to undertake high-voltage rail power-system maintenance in accordance with Network Rail standards.
Buyer: Seilwaith Amey Cymru / Amey Infrastructure Wales Limited. Source: Sell2Wales. Updated 21 Sept 2026.
Key facts
- Estimated value: £1m
- Bids close: 23 Oct 2026
- Location: Wales, West Wales and The Valleys, East Wales, Isle of Anglesey, Gwynedd, Conwy and Denbighshire, South West Wales, Central Valleys, Gwent Valleys, Bridgend and Neath Port Talbot, Swansea, Monmouthshire and Newport, Cardiff and Vale of Glamorgan, Flintshire and Wrexham, Powys
- Procedure: Contract notice
- Category: Electrical engineering installation works (45315100)
From the official notice
The contract requires a suitably competent contractor to provide planned, cyclical and reactive inspection, maintenance, repair and renewal services for the CVL traction and non-traction high voltage power systems, including associated feeder stations, switching stations, 25kV assets, 11kV non-traction supplies, auxiliary transformers, protection systems, cables and related infrastructure. The contractor must deliver the service in accordance with Network Rail standards and the Employer’s specifications, provide competent staff for access planning, isolations and technical support, maintain a 24/7 emergency fault response capability, meet defined response times and KPIs, complete all inspection/test records and defect reports, and support both routine maintenance and separately instructed project works as required. Full notice text CONTRACT NOTICE – NATIONAL Notice Type : SERVICES 1 Authority Details
View the official notice
Questions about this tender
When is the deadline?
Bids close on 23 Oct 2026.
What is it worth?
The estimated value is £1m.
Who can apply?
Any supplier that meets the buyer's requirements can apply. Check the official notice for conditions.
How do I bid?
Open the official notice, register on the buyer's portal and submit your bid before the deadline.
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