NATIONAL GRID ELECTRICITY TRANSMISSION PLC
- Open tenders
- 0
- Upcoming
- 8
- Contract awards
- 32
- Expiring in 18 months
- 6
Upcoming opportunities
Mobile Transformer Oil Processing Vehicles (Trailer Mounted) - Design, Manufacture, Supply, Commissioning and Support
Location: London
UpcomingPublished 18 Sept, 2026Source Find a TenderNational 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 resu
SF6 Leak Repair Framework
Location: London
UpcomingPublished 7 Sept, 2026Value £7.50mSource Find a TenderNational Grid Electricity Transmission (NGET) intends to establish a framework for the provision of Sulphur Hexafluoride (SF6) leak repair, leak reduction and preventative treatment services across its portfolio of Gas Insulated Switchgear (GIS) and Gas Insulated Busbar (GIB) assets located at transmission substations
ISS Works at Walham and Pentir
Location: London
UpcomingPublished 17 Aug, 2026Source Find a TenderNational Grid Electricity Transmission Plc is seeking an experienced and suitably qualified suppliers capable of delivering a fully integrated security solution for critical national infrastructure sites at Walham and Pentir.
Bell 429 PW207D2 Engine Flight Hour Support and Lifecycle Management Services
Location: London
UpcomingPublished 17 Aug, 2026Source Find a TenderProvision of a flight-hour-based engine maintenance and support programme for Pratt & Whitney PW207D2 engines installed on Bell 429 aircraft, including scheduled and unscheduled maintenance, engine shop visits, life-limited component management, technical support and logistics coordination to maximise reliability, avai
Integrated Tractor and Winch Units
Location: London
UpcomingPublished 14 Aug, 2026Source Find a TenderNational Grid Electricity Transmission has a requirement for the provision of tractors with integrated heavy-duty winch systems, supplied as a single combined unit, for use in overhead electricity transmission line projects. The equipment will be used to support the construction, refurbishment, maintenance, and emergen
Bell 429 Component Support and Power-by-the-Hour (PBH) Programme
Location: London
UpcomingPublished 31 Jul, 2026Source Find a TenderThe Authority is seeking a suitably qualified Original Equipment Manufacturer (OEM) or authorised support provider to deliver a comprehensive helicopter component support and lifecycle management programme for its Bell 429 aircraft fleet. The service shall provide a flight-hour-based support solution designed to maximi
Provision of Continuing Airworthiness Management, Maintenance, Engineering and Logistics Support Services for the Bell 429 Aircraft
Location: London
UpcomingPublished 31 Jul, 2026Source Find a TenderThe contracting authority is seeking a suitably qualified aviation services provider to deliver continuing airworthiness management, maintenance, engineering support, hangarage and associated logistics services for its Bell 429 aircraft fleet. The appointed supplier shall be responsible for ensuring aircraft remain air
Request for Information in relation to cyber-attack path analysis products & services
Location: London
UpcomingEngagement closes 25 Sept, 2025Source Find a TenderWe are conducting a market engagement exercise to explore the availability, capability, and maturity of tools and services that support cyber-attack path analysis. This initiative aims to assess solution readiness, innovation potential, and supplier experience in delivering outcomes aligned with proactive cyber defence
Top suppliers
| SEESAI LIMITED | £22.95m |
| BAM Nuttall Ltd | £10.20m |
| OCU UTILITY SERVICES LTD | £10.17m |
| Costain Limited | £9.50m |
| Nynas Naphthenics AB | £5.31m |
| Winshall Limited | £5.13m |
| Southampton University | £2.20m |
| Elimpus Ltd | £1.60m |
What they buy
- Construction work10 notices in the last 3 years
- Repair and maintenance services7 notices in the last 3 years
- Research and development services and related consultancy services6 notices in the last 3 years
- Electrical machinery, apparatus, equipment and consumables; lighting4 notices in the last 3 years
- Transport equipment and auxiliary products to transportation4 notices in the last 3 years
- Architectural, construction, engineering and inspection services3 notices in the last 3 years
- Security, fire-fighting, police and defence equipment3 notices in the last 3 years
- Business services: law, marketing, consulting, recruitment, printing and security2 notices in the last 3 years