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UK's Cadent delays HyNet H2 network for policy clarity

  • Mercados: Hydrogen
  • 28/11/25

UK gas network operator Cadent has halted its planning application for the HyNet North West hydrogen pipeline, citing uncertainty about government timelines and subsidy allocation under the hydrogen transport business model (HTBM), which will not be finalised until spring 2026.

Cadent had aimed to submit a development consent order (DCO) by end of 2025 after public consultations and front-end engineering design work, targeting a final investment decision (FID) in 2026 if government support materialises. But the firm said it will pause the DCO process, although environmental surveys and routing assessments will continue.

Cadent said the government has confirmed it will finalise the HTBM and start the process for one hydrogen pipeline in spring 2026. The government said in July that the first regional hydrogen transport and storage network should start up by 2031.

The operator said in June it plans to have the network operational in the early 2030s, probably to align with Essar Energy Transition's plans for its Stanlow site, and carry hydrogen from there. The plant's second phase will supply regional customers, while initial output will serve Essar's refinery.

UK operators like Cadent are also waiting for clarity on hydrogen blending into existing gas grids as a fallback when industrial demand is low. Cadent has submitted evidence supporting up to 20pc blending in pilots.

The delay adds uncertainty to the project, which may compete for HTBM support with other developers, potentially pushing back FID. Cadent did not respond to requests for comment.

The HTBM is designed to make early-stage pipeline projects viable by guaranteeing returns. It combines a regulated asset base model — where operators earn a capped return on infrastructure costs — with government subsidies to cover revenue shortfalls while demand builds up. This gives investors long-term certainty needed for FID.

HyNet's 125km pipeline network would link Stanlow to industrial users and blending points. The CO2 element of HyNet is progressing, with Eni reaching financial close on its storage site and Eni and Essar securing DCO approval for the CO2 pipeline.


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