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Hydrogen Blending into the GB Gas Transmission Network

DESNZ·consultation·low·23 Jul 2025·source document

This consultation is open for responses

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Summary

DESNZ consults on blending hydrogen into the gas transmission network, seeking views on strategic value, commercial support models, and technical delivery arrangements. The consultation covers impacts on gas network users, market arrangements, and billing structures. No specific timelines or cost estimates are provided.

Why it matters

This addresses gas sector decarbonisation rather than electricity market structure. As such, it treats the symptoms of high carbon intensity in heating and industrial processes without directly affecting power generation costs or grid operations.

Key facts

  • Consultation covers transmission-level hydrogen blending
  • Targets hydrogen producers, gas transporters, and industrial consumers
  • Includes commercial support models and market arrangements

Related programmes

Net Zero
Memo

Government is seeking views to help inform the case for transmission-level blending. This consultation seeks to understand the potential strategic and economic value of blending into the GB gas transmission network. The consultation covers: * Strategic considerations of hydrogen blending * Impact of blending on end users connected to the GB National Transmission Network * Commercial support models * Market and trading arrangements * Technical delivery models * Gas billing arrangements * Economic analysis It is open to all, but we expect it to be of most interest to stakeholders involved in the hydrogen economy and natural gas networks, including: * Hydrogen producers * Hydrogen consumers * Gas transporters * Gas shippers * Gas consumers * Storage operators * Investors * Consumer champions * Trade associations * Academics