Auto-Reconfiguration Signalling Power Supply Tender - 138326431

Procurement Summary

Country: United Kingdom

Summary: Auto-Reconfiguration Signalling Power Supply Systems - Preliminary Market Engagement

Deadline: 20 Apr 2026

Posting Date: 24 Mar 2026

Other Information

Notice Type: Tender

TOT Ref.No.: 138326431

Document Ref. No.:

Competition: ICB

Financier: Self Financed

Purchaser Ownership: Public

Tender Value: Refer Document

CPV Classification

34942000 - Signalling equipment

Purchaser's Detail

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Tender Details

Network Rail operates a large portfolio of Auto Reconfiguration systems used to support the resilience of 400V TN S and 650V IT signalling power supplies. Many of these systems have been operational for more than two decades and face several challenges: • Obsolescence of essential components affecting maintainability and availability • Reliance on legacy telecoms (such as 3G) due to national network withdrawals • Rising failure risk due to ageing cables, switchgear and protection components • Limited diagnostic capability in existing systems • Inconsistent compatibility with modern power protection and monitoring solutions • Increasing sustainability pressures, including carbon reduction and waste minimisation To support Network Rail-s long-term asset strategy and maintain operational performance, we are exploring a future programme to introduce a modern, cyber secure, modular, maintainable Auto Reconfiguration SPS platform. This aligns to wider organisational objectives including: • Improving safety and reliability for passengers and freight • Supporting digital railway capabilities • Reducing operational carbon • Enhancing maintainability • Delivering sustainable whole life value This preliminary market engagement will help confirm commercial viability, test supplier capability, and identify innovative approaches to support a future-proofed solution. It also seeks to understand the level of interest from the supply chain for any future tendering activity.
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