Source: https://tendernation.io/opportunities/01a13be9-b346-70fd-8cf9-994639a64299/sf6-leak-repair-framework pending GB restricted procedure # SF6 Leak Repair Framework [National Grid Electricity Transmission plc](https://tendernation.io/buyers/national-grid-electricity-transmission-plc) Estimated value £7,500,000 Published 7 Sept 2026 Deadline Rolling deadline ## Who can bid - Sets up a framework Winning a place does not guarantee work: contracts are awarded later as call-offs, and the list usually stays closed for years. ## About this tender National 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 throughout Great Britain. The framework is intended to increase the delivery of SF6 emissions reduction activities through the use of standardised contracting arrangements and approved repair methodologies. Appointed contractors will be responsible for the design, installation, testing, inspection and quality assurance of external, non-intrusive repair solutions that maintain asset integrity and operational performance while reducing or preventing SF6 leakage. Solutions may include permanent repairs, leak-rate reduction treatments, and preventative interventions, and will typically be required to be installed without taking equipment out of service where reasonably practicable. Contractors will be expected to provide technically robust, evidence-based solutions, operate under ISO 9001-compliant quality management systems, and fulfil the roles of Principal Contractor and Principal Designer under the Construction (Design and Management) Regulations 2015. The framework will enable NGET to respond efficiently to emerging SF6 emission reduction requirements across its transmission network. The anticipated term of the framework will be a 3-year initial term with 2 year extension options upon mutual agreement. Read full description ## CPV classification Repair and maintenance services of electrical distribution equipment Repair and maintenance services of electrical and mechanical building installations Installation services of electrical equipment Electricity distribution and related services Mechanical and electrical engineering services Source Find a Tender (UK) · Notice ocds-h6vhtk-06f388-2026-09-07T13:45:19+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-06f388-2026-09-07T13:45:19+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile National Grid Electricity Transmission plc: past awards and live tenders](https://tendernation.io/buyers/national-grid-electricity-transmission-plc) [Sector More Repair & maintenance services tenders](https://tendernation.io/sectors/repair-maintenance) ## More tenders like this [Repair and maintenance services of motor vehicles and associated equipment – Acord cadru – Servicii de reparare si întreţinere a autosanitarelor, de inlocuire a pieselor de schimb uzate aferente acestor autosanitare · Serviciul de Ambulanta Judetean Bistrita-Nasaud · 29 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-8ccf-73f8-b1ec-6b8327791788/romania-repair-and-maintenance-services-of-motor-vehicles-and-associated-equip) [Repair and maintenance services of personal computers – Абонаментно и сервизно обслужване на офис техника : компютри, преносими компютри, принтери, скенери, копирни машини, монитори, UPS устройства, модеми, рутери и др., включително доставка на резервни части, материали и консумативи за офис техниката за срок от 12 месеца · ТЕРИТОРИАЛНО ПОДЕЛЕНИЕ "ДЪРЖАВНО ГОРСКО СТОПАНСТВО - КАЗАНЛЪК" · 29 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-c01a-72fa-943e-551c1508bed2/bulgaria-repair-and-maintenance-services-of-personal-computers-abonamentno-i) [Tyre repair services, including fitting and balancing – Gumiabroncs átszerelése, tárolása Bp. gyorsított · Nemzeti Adó- és Vámhivatal · 15 days left · 3 Nov 2026](https://tendernation.io/opportunities/01a15183-0930-720a-9a6f-ef8e900ea245/hungary-tyre-repair-services-including-fitting-and-balancing-gumiabroncs-at) [Repair and maintenance of public conveniences – Störungsbeseitigung an abwassertechnischen Anlagen sowie Betrieb aller Toilettenanlagen · Flughafen Düsseldorf GmbH · 29 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-4a13-7397-bf03-236020662e33/germany-repair-and-maintenance-of-public-conveniences-storungsbeseitigung-an) [Repair and maintenance services – Calamiteitenwerkzaamheden rioolwaterpersleidingen · Waterschap Noorderzijlvest · 49 days left · 7 Dec 2026](https://tendernation.io/opportunities/01a15183-754c-70bf-bff4-46d38ff6fb78/netherlands-repair-and-maintenance-services-calamiteitenwerkzaamheden-rioolw) [Repair and maintenance services of building installations – maintenance, fourniture et installation d'équipements climatisation et VMC pour les sites du CROUS de Lyon · CROUS de Lyon · 30 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a15183-c231-71f0-84ab-558a39a8c904/france-repair-and-maintenance-services-of-building-installations-maintenance)