National Grid explores UK hydrogen ‘backbone’ development

H2 hydrogen molecule in the liquid. 3d illustration.

National Grid is exploring the development of a UK hydrogen ‘backbone’, which aims to join together industrial clusters around the country, potentially creating a 2000km hydrogen network for the UK by around 2030.

Repurposing around 25% of the current gas transmission pipelines, Project Union will build on the government’s ten-point plan to invest more than £1 billion to unlock the potential of hydrogen and support the establishment of carbon capture, utilization and storage (CCUS) in four industrial clusters.

National Grid anticipates the backbone could carry at least a quarter of the current gas demand in Great Britain, and provide vital resilience and storage.

The project is exploring a hydrogen backbone connecting the Grangemouth, Teesside and Humberside clusters, as well as linking up with Southampton, the North West and South Wales clusters. As the clusters develop, National Grid stands ready to join them up.

National Grid will use Net Zero development funding to finance a portfolio of projects, one of which is the feasibility phase of Project Union, which will include identifying pipeline routes, assessing the readiness of existing gas assets, and determining a transition plan for assets in a way that supports the government net zero ambition.

The research will explore how to convert pipelines by the end of the decade in a phased approach, aligning with government ambitions of producing five gigawatts of low carbon hydrogen by 2030.

“Hydrogen has a critical role to play as we transition to a cleaner energy future. The potential is exciting, and a hydrogen backbone to support the industrial clusters could accelerate the roll-out. But there is a lot of work to find the most economic way to repurpose our assets and how we might develop a phased conversion to develop a hydrogen network for the UK.”

Antony Green, hydrogen project director at National Grid.

Project Union will also look at how to connect the backbone to the existing interconnectors coming into Bacton, allowing the UK to link with the EU hydrogen backbone that is also being developed.

Anela Dokso

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