United Kingdom Procurement News Notice - 65215


Procurement News Notice

PNN 65215
Work Detail The facility in Dartford, Kent is expected to reduce the use of sulphur hexafluoride National Grid has successfully commissioned a new substation (pictured), in Dartford, Kent, enabling 2GW of low carbon and renewable energy to power around 1.5 million homes. National Grid and its contractors Balfour Beatty and GE Vernova’s Grid Solutions have been working since June 2019 to build a replacement for Littlebrook 400kV substation. The new facility will help to reduce the use of sulphur hexafluoride (SF6), a gas commonly used in the electrical industry to prevent short circuits and to keep the network safe and reliable, National Grid said. Construction of the new substation is now complete, and all circuits have now been successfully commissioned. The project included the installation of underground cabling, overhead line connections and GE switchgear – the circuit board used to control, protect, and isolate electrical equipment. Four existing super grid transformers have been moved from the old substation to the new one, and a brand-new transformer was delivered in July 2022. Engineers are using GE Vernova Grid Solutions’ g3 gas-insulated busbar equipment which is SF6- free. A total of 5.6 tonnes of SF6 gas has been saved, forming part of National Grid’s ambition to reduce its SF6 emissions by 50% by 2030 and removing all SF6 gas from electrical assets by 2050. Teams have also deployed net zero construction methods throughout the project to reduce the environmental impact of the works, including steel manufactured in Britain, solar powered electrics, electric vehicle charging points, biodiversity net gain plan for the local area and an onsite biodigester to manage wastewater, all saving 5229 tonnes of CO2 emissions during construction. Laura Mulcahy, senior project manager for National Grid Electricity Transmission, said: "We are delighted the new Littlebrook substation is now fully energised and connected to our network. "Getting Littlebrook completed is a huge achievement for the team. "We’ve had to overcome some difficult engineering and programme challenges along the way, and so to reach this milestone is a real testament to the commitment and strong relationships of everyone involved. "I send my sincere thanks out to them all." Mark Wilson, head of service, UK & Ireland at GE Vernova’s grid solutions business, added: "National Grid has been a leader in removing SF6 from its network. "They energized our very first g3 product at their Sellindge substation in 2016. "We are very proud to continue contributing towards National Grids ambition to remove SF6 entirely by 2050 and to be part of the Littlebrook substation project, saving 5.6 tonnes of SF6 from the network. "This project represents the latest vote of confidence in GE Vernova’s SF6-free products which deliver the same performance and product footprint as traditional SF6 equipment, while delivering a 99% reduction in the gas contribution to global warming."
Country United Kingdom , Northern Europe
Industry Energy & Power
Entry Date 23 Apr 2024
Source https://renews.biz/92682/national-grid-commissions-2gw-uk-substation/

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