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Prior notice United Kingdom Supplies

Supplier funded renewables for Traction (DC DPPA framework)

Buyer: NETWORK RAIL INFRASTRUCTURE LIMITED

Published
5 June 2026
Estimated value
£125,000,000
Place of performance
UK
Lots
1
Notice number
053133-2026
Reference
ocds-h6vhtk-06a2c1
Official source
Official source

CPV codes

Description

Background Network Rail owns, operates and maintains Great Britain’s railway infrastructure, including track, signalling, electrification systems, bridges and stations. As one of the largest electricity consumers in the UK, Network Rail uses approximately 4.5 TWh per annum (c.4.1 TWh traction and 0.45 TWh non-traction). In support of the UK Government’s Net Zero by 2050 commitment, Network Rail is seeking to transition its electricity supply towards renewable sources. Scope of Opportunity Network Rail’s electrified network includes: • 25 kV AC overhead line systems • 750 V DC third rail systems (Southern Region and Merseyrail) This procurement relates exclusively to the 750 V DC third rail network. The Southern Region DC traction power system comprises: • ~40 grid connection points supplied by Distribution Network Operators (DNOs) • A 33 kV (predominantly) three-phase distribution network, with limited 11 kV sections • Around 300 substations with transformer rectifier units converting AC to 750 V DC • A highly variable load profile driven by train operations • Network control via SCADA systems from electrical control rooms Opportunity Description Network Rail is exploring opportun…

Official publications

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Frequently asked questions

What is the estimated value of this tender?
The estimated value published by the buyer is £125,000,000.
Who is the buyer of this tender?
The contracting authority is NETWORK RAIL INFRASTRUCTURE LIMITED (United Kingdom).
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Data collected from official public procurement sources. Amounts as published by the buyer.