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

National Grid Electricity Transmission PLC
Selective procedure
1 October 2027 to 29 September 2031

Design, manufacture, and supply of 2 fully integrated, road-legal, trailer-mounted mobile transformer oil processing vehicles with a minimum processing capability of 7,500 litres/hour at 50°C. Includes onboard power generation, PLC/SCADA automation, vacuum systems, FAT, SAT, commissioning, training, and an option for up to 2 additional units.

See where to bid

Estimated value: Not published; No value in the notice
Published: 18 September 2026
Deadline: Not published
Contract length: 48 months; Ends 29 September 2031

What the contract covers

Competitive flexible procedure

Design, manufacture, and supply of customized specialist commercial vehicles and trailer-mounted industrial processing equipment.

Design, manufacture, testing, supply and delivery of two (2) mobile transformer oil processing trailers
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
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

Terms and requirements

Contract type: Competitive flexible procedure
Procedure: Selective procedure
Initial term: 48 months
Extensions: 24 months
Longest it can run: 72 months
Contract dates: 1 October 2027 to 29 September 2031
Certifications asked for: None stated
Lots: 1
Suitable for SMEs: Not stated
Category: Goods
CPV codes: 09211640, 31682210, 34144000, 34210000

Services in this tender

Mobile units and specialist bodied vehiclesMain service£111k typicalDesign and manufacture of trailer-mounted mobile transformer oil processing units

Lifecycle

Published
18 September 2026
Deadline for bidsNot published
Contract awardedUsually published within a few months
Contract starts
1 October 2027

The buyer

National Grid Electricity Transmission PLC

Type: Locked
Contracts, 24 months: Locked
Recorded value: Locked
Typical contract: Locked

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Contact details

Name: Locked
Email: Locked
Address: Locked

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Cite this tender

Link: https://bidskim.com/tender/3868793/mobile-transformer-oil-processing-vehicles-trailer-mounted-design-manufacture-su
Buyer reference: Not published
Open contracting ID: ocds-h6vhtk-07751e
Last checked: 5 November 2026

National Grid Electricity Transmission PLC. Mobile Transformer Oil Processing Vehicles (Trailer Mounted) - Design, Manufacture, Supply, Commissioning and Support. Tender, 18 September 2026. BidSkim, https://bidskim.com/tender/3868793/mobile-transformer-oil-processing-vehicles-trailer-mounted-design-manufacture-su (accessed 5 November 2026).