BidSonarBidSonar
ContractsGrantsOrganisationsSectors
BidSonarBidSonar·Built by Hypership
SourcesBrandPrivacyTermsCookies

BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsMobile Trailer-Mounted Transformer Oil Processing Units
    Open tender

    Mobile Trailer-Mounted Transformer Oil Processing Units

    Supply, design and support of two mobile transformer oil processing trailers with onboard vacuum and power systems, expandable to four units, for the UK electricity transmission network.

    🇬🇧United Kingdom· LondonPublished 18 Sept 2026· 1 month agoviaFind a Tender

    Decision brief

    4 fields
    • Contract value
      Not disclosed
      Source did not declare a figure
    • Closing date
      Rolling
      No closing date published
    • Sector
      Energy & Utilities
      Browse related listings
    • Location
      🇬🇧United Kingdom
      London

    Lifecycle

    Open

    Open tender — no closing date published. Opened 1 month ago.

    18 September 2026
    Open tender · no closing date published

    Brief

    National Grid Electricity Transmission seeks a supplier to design, manufacture, supply, commission and support two trailer-mounted mobile transformer oil processing vehicles, with an option to purchase up to two additional units. The vehicles must be road-legal, self-contained, and deployable at operational substations and construction sites across the UK. Required capabilities include: oil filtration, drying, degassing and vacuum processing at minimum 7,500 litres/hour (50°C); integrated vacuum systems for independent and simultaneous transformer and chamber treatment; onboard power generation with external power connection options; PLC/SCADA monitoring and control with remote access; welfare facilities and environmental controls for field personnel; and full compliance with UK safety, fire protection and environmental legislation. The supplier must deliver complete technical documentation, operator and maintainer training, warranty support, and after-sales service. Services include Factory Acceptance Testing (FAT), Site Acceptance Testing (SAT), commissioning and performance demonstration.

    Ask an assistant

    ChatGPT · Claude

    Add BidSonar to the assistant you already use, then ask it about this notice in plain English.

    • “Who has NATIONAL GRID ELECTRICITY TRANSMISSION PLC awarded work like this to?”
    • “What else is NATIONAL GRID ELECTRICITY TRANSMISSION PLC buying right now?”
    • Add to ChatGPT (opens in a new tab)
    • Add to Claude (opens in a new tab)

    BidSonar is free · sign in once

    More from NATIONAL GRID ELECTRICITY TRANSMISSION PLC

    4 listingsView all →
    AwardedResearch & Innovation🇬🇧United Kingdom

    Assessing Seafloor Organism Impacts from Submarine Cable Electromagnetic Fields

    Research project to evaluate how electromagnetic fields from submarine power cables affect seafloor organisms and ecosystems.

    £859,867NATIONAL GRID ELECTRICITY TRANSMISSION PLC
    Published 6 Oct 2026
    AwardedResearch & Innovation🇬🇧United Kingdom

    Subsea Cable Health and Security Monitoring Using Backscatter Technology

    Develop advanced health monitoring and security systems for long-distance submarine power cables using backscatter and repeater technologies to support the global energy transition.

    £1,343,500NATIONAL GRID ELECTRICITY TRANSMISSION PLC
    Published 6 Oct 2026
    OpenIT & Software🇬🇧United Kingdom

    Digital Project Management Office Platform for Infrastructure Delivery

    National Grid seeks a scalable digital platform to consolidate project controls, performance management and portfolio reporting across its transmission infrastructure delivery programmes.

    est.£2,389,250NATIONAL GRID ELECTRICITY TRANSMISSION PLC
    Published 29 Sept 2026
    AwardedResearch & Innovation🇬🇧United Kingdom

    University Research Partnerships for Electricity Network Innovation

    NGET is offering £84 million in funding for university partnerships to drive innovation in electricity network technology and support energy transition goals through 2031.

    £700,000,000NATIONAL GRID ELECTRICITY TRANSMISSION PLC
    Published 15 Sept 2026

    Open in Energy & Utilities

    4 open listingsView all →
    OpenEnergy & Utilities🇬🇧United Kingdom

    Bulk Fuel Supply and Delivery Contract

    Planned 2027 procurement for bulk fuel supply and delivery services through a framework agreement.

    £28,000,000indicativeUnited Utilities
    Published 13 Nov 2026
    Energy & Utilities🇬🇧United Kingdom

    Electricity Supply Contract for British Embassy Oslo

    Competitive opportunity to supply electricity services to the British Embassy located in Oslo, Norway.

    est.£500,000FOREIGN COMMONWEALTH AND DEVELOPMENT OFFICE
    Published 12 Nov 2026
    OpenEnergy & Utilities🇬🇧United Kingdom

    Energy Supply Dynamic Market for Essex Authority Sites

    Open Dynamic Market for electricity and gas supply to Essex Authority sites with continuous supplier admission and competitive selection processes.

    The Gateway Learning Community
    Published 12 Nov 2026
    Energy & Utilities🇬🇧United Kingdom

    Solar Panel Installation at Three Broads Authority Sites

    Tender for complete solar panel survey, design, installation, and commissioning at three Broads Authority visitor sites.

    est.£75,000Broads Authority
    Published 11 Nov 2026
    Take action
    View tender on sourceFind a Tender

    Full notice and submission process on the publisher's site

    Publisher
    UK Cabinet Office
    Licence
    OGL v3.0
    Source
    find-tender.service.gov.uk
    Record ID
    ocds-h6vhtk-07751e

    Track

    Know when this goes to tender

    Sonar emails you the day the tender is published, then 7 and 2 days before it closes.

    Track this notice

    Free · No card

    Your fit

    Could you win this?

    A straight answer for your business — bid, partner or pass — based on who wins NATIONAL GRID ELECTRICITY TRANSMISSION PLC's work like this.

    Check my fit

    Free · No card

    NG
    Buyer
    NATIONAL GRID ELECTRICITY TRANSMISSION PLC
    Sector
    Energy & Utilities