Find Substation Tenders in the UK – Latest Public Sector Contracts

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33kV Substation SCADA Supply

Buyer : UK ATOMIC ENERGY AUTHORITY

South East

No of lots : 1

Tender Id : 2601260421

Type of Contract : Tender

Published : 26th Jan 2026

Deadline : 23rd Feb 2026

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Descriptions

UKAEA are looking to engage a Supervisory Control And Data Acquisition (SCADA) specialist to develop a new SCADA system in J5 based on the IEC 61850 protocol, replacing the existing SCADA. The work includes the design, manufacture, delivery, installa ....

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Substation Upgrade Works

Buyer : London Fire Commissioner

London

No of lots : 1

Tender Id : 1206250466

Type of Contract : PIN

Published : 12th Jun 2025

Deadline : 12th Jun 2026

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Descriptions

This is a Pipeline Notice, not a call for competition Increase to incoming electrical supply at Salix 4a fire stations

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Substation Upgrade Works for Strategic Fleet & Property sites

Buyer : London Fire Commissioner

London

No of lots : 1

Tender Id : 1206250354

Type of Contract : PIN

Published : 12th Jun 2025

Deadline : 12th Jun 2026

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Descriptions

This is a Pipeline Notice, not a call for competition Upgrade to the agreed supply capacity at strategic fleet and property sites

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Substation Power Equipment Renewals Main Works

Buyer : TRANSPORT FOR LONDON

North West+ 12 more

No of lots : 1

Tender Id : 2105250369

Type of Contract : PIN

Published : 21st May 2025

Deadline : 21st May 2026

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Descriptions

Single supplier framework for the design, commission and installation of substation power equipment. The Direct Current High Speed Circuit Breakers (DCHSCBs) that comprise the DC switchboard in Love Lane, Jubilee Bridge, Mitcham Junction, Woodside, P ....

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Substation Electrical Works

Buyer : Ministry of Defence

South East

No of lots : N/A

Tender Id : 1107240104

Type of Contract : PIN

Published : 11th Jul 2024

Deadline : N/A

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Descriptions

This is for LV and HV electrical works within Substation at Portsmouth Naval Base.

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HVLV Phase 2

Buyer : The Hillingdon Hospitals NHS Foundation Trust

North West+ 12 more

No of lots : 1

Tender Id : 1310250102

Type of Contract : PIN

Published : 13th Oct 2025

Deadline : 13th Oct 2026

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Descriptions

Diversions to allow the current HV Substation building to be demolished. Provision of a new building housing replacement electrical HV/LV substation and backup generator and associated fuel storage tank, plus nitrous oxide manifold room. Amendments t ....

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Framework for Plant Maintenance and Repairs

Buyer : TRANSPORT FOR LONDON

London

No of lots : 1

Tender Id : 2102250121

Type of Contract : PIN

Published : 21st Feb 2025

Deadline : 21st Feb 2026

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Descriptions

The purpose of this Prior Information Notice is to notify the market of Transport for London's intention to carry out Early market engagement to assess the current market capabilities and appetite for the following requirements. Transport for London ....

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Electrical Infrastructure Upgrade

Buyer : AWE PLC

UK+ 13 more

No of lots : N/A

Tender Id : 2009240121

Type of Contract : Framework

Published : 20th Sep 2024

Deadline : N/A

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Descriptions

As stated in the Defence Nuclear Enterprise Command Paper, published by the Ministry of Defence on 25th March 2024, AWE Plc ("AWE") is modernising its infrastructure to deliver the current and next generation warheads for the United Kingdom's nuclear ....

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Supply and Install new GRP Enclosure for 11kV Substation

Buyer : HUMBER TEACHING NHS FOUNDATION TRUST