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PROCUREMENT OPPORTUNITY

Mobile Transformer Oil Processing Vehicles (Trailer Mounted) - Design, Manufacture, Supply, Commissioning and Support

NATIONAL GRID ELECTRICITY TRANSMISSION PLC · Planned procurement notice on Find a Tender

Tender information last checkedLast checked 20 Sept 2026, 07:42.

Opportunity overview

National Grid Electricity Transmission (NGET) is seeking a supplier to design, manufacture, supply, commission and support two (2) fully integrated, trailer-mounted mobile transformer oil processing vehicles, with an option, at NGET's sole discretion, to purchase up to two (2) additional equivalent units under the resulting contract. Any additional purchases will be subject to business requirements, funding approval and satisfactory performance of the initial units. The solutions shall be road-legal, self-contained and suitable for deployment at operational substations and construction sites throughout UK. The scope includes: • Design, manufacture, testing, supply and delivery of two (2) mobile transformer oil processing trailers, with an option for NGET to purchase up to two (2) additional equivalent units under the resulting contract. • Provision of transformer oil treatment plant capable of oil filtration, drying, degassing and vacuum processing operations, including a minimum oil processing capability of 7,500 litres/hour at 50°C. • Integrated vacuum systems capable of transformer and chamber vacuum treatment, both independently and simultaneously. • Supply of an onboard power generation system including generator, fuel storage, distribution equipment and changeover facilities for external power sources. • Installation of monitoring, control and automation systems, including PLC/SCADA functionality, process alarms, operational data recording and remote-access capabilities. • Provision of welfare facilities, environmental controls, storage arrangements and operational workspaces suitable for field personnel. • Incorporation of all required safety, fire protection, emergency lighting, access and environmental protection systems in accordance with applicable UK legislation and industry standards. • Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), commissioning and demonstration of operational performance. • Delivery of complete technical documentation, operating manuals, maintenance schedules, drawings, software licences and spare parts recommendations. • Provision of operator and maintainer training, warranty support, technical assistance and after-sales service arrangements for the lifecycle of the asset. Expected Outcome: Two (2) fully operational mobile transformer oil treatment and vacuum processing vehicles that enable safe, reliable and efficient transformer oil conditioning, moisture removal, degassing and associated maintenance activities across the NGET transmission network, while maximising operational availability and long-term asset value. The resulting contract will also provide NGET with the option to procure up to two (2) additional equivalent units, subject to business requirements, funding approval and satisfactory performance of the initial units.

Classification

  • CPV09211640 — Electrical insulating oils
  • CPV31682210 — Instrumentation and control equipment
  • CPV34144000 — Special-purpose motor vehicles
  • CPV34210000 — Vehicle bodies
  • CPV34223300 — Trailers
  • CPV34223330 — Mobile units on trailers
  • CPV42913300 — Oil filters
  • CPV42990000 — Miscellaneous special-purpose machinery

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
ocds-h6vhtk-07751e
Status
planned
Procurement Method
selective
Procurement Method Details
Competitive flexible procedure
Main Procurement Category
goods
Above Threshold
Yes
How to submit
Suppliers wishing to participate in this opportunity should complete the attached 'Expression of Interest (EOI) Form' and return it to hrushikesh.keshavanarayana@nationalgrid.com After the Tender Notice is issued on Find a Tender, National Grid Procurement will issue the tender documents via SAP Ariba to those suppliers that have expressed their interest in response to this notice.
Expression Of Interest Deadline
7 Dec 2026, 23:59

Legal basis

Id
2023/54
Scheme
UKPGA

Special regime

utilities

Submission terms

Languages

en

Expected award period

Ends
1 Sept 2027, 23:59

Communication

Future Notice Date
30 Nov 2026, 23:59

Lots and requirements

Entry 1
Id
1
Status
planned
Has Renewal
Yes
Has Options
Yes

Contract period

Starts
1 Oct 2027, 00:00
Ends
29 Sept 2031, 23:59
Max Extent Date
29 Sept 2033, 23:59

Renewal

Description
By Mutual Agreement

Options

Description
Final Outcome: Two (2) fully operational mobile transformer oil treatment and vacuum processing vehicles that enable safe, reliable and efficient transformer oil conditioning, moisture removal, degassing and associated maintenance activities across the NGET transmission network, while maximising operational availability and long-term asset value. The resulting contract will also provide NGET with the option to procure up to two (2) additional equivalent units, subject to business requirements, funding approval and satisfactory performance of the initial units.

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
09211640
Description
Electrical insulating oils
Entry 2
Scheme
CPV
Id
31682210
Description
Instrumentation and control equipment
Entry 3
Scheme
CPV
Id
34144000
Description
Special-purpose motor vehicles
Entry 4
Scheme
CPV
Id
34210000
Description
Vehicle bodies
Entry 5
Scheme
CPV
Id
34223300
Description
Trailers
Entry 6
Scheme
CPV
Id
34223330
Description
Mobile units on trailers
Entry 7
Scheme
CPV
Id
42913300
Description
Oil filters
Entry 8
Scheme
CPV
Id
42990000
Description
Miscellaneous special-purpose machinery

Delivery locations

Entry 1
Region
UK
Country
GB
Country Name
United Kingdom

Published documents

Entry 1
Id
A-22236
Document Type
biddingDocuments
Description
Expression of Interest response form
Format
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet

Planning and budget

Documents

Entry 1
Id
088533-2026
Document Type
plannedProcurementNotice
Notice Type
UK3
Description
Planned procurement notice on Find a Tender
Published
18 Sept 2026, 10:41
Format
text/html

Buyer, suppliers and contacts

Organisation 1
Name
NATIONAL GRID ELECTRICITY TRANSMISSION PLC
Id
GB-COH-02366977

Identifier

Scheme
GB-COH
Id
02366977

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PHHJ-6513-BWZT

Address

Street Address
1 - 3 Strand
Locality
London
Postal Code
WC2N 5EH
Country
GB
Country Name
United Kingdom
Region
UKI32

Contact

Name
Hrushikesh Keshava Narayana

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
privateUtility
Description
Private utility

Recorded locations

  • Buyer location · London · UKI32 · WC2N 5EH · United Kingdom
  • Delivery location · UK · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. 088533-2026Planned procurement notice on Find a Tender ·