f HyDeploy2 Report: Exemption

Exemption is requested by Northern Gas Networks Ltd (NGN) from the obligation set out in Regulation 8(1) of the Gas Safety (Management) Regulations 1996 (GSMR) to convey only natural gas that is compliant with the Interchangeability requirements of Part I of Schedule 3 of the GSMR within a section of the NGN gas distribution network near Winlaton (the “field trial area”). The field trial area is owned and operated by Northern Gas Networks Ltd. The proposed conveyance of non-compliant gas (hereafter called the “Winlaton Field Trial”) will last for one year and is part of the Network Innovation Competition Project “HyDeploy2”.
The project, the first two phases of which are funded under the UK Network Innovation Competition scheme, aims to demonstrate that natural gas containing levels of hydrogen beyond the upper limit set out in Schedule 3 of in the Gas Safety (Management) Regulations (GSMR) can be distributed and utilised safely and efficiently in the UK gas distribution networks. The first phase of the HyDeploy project is currently underway and includes a 10-month field trial that of hydrogen injection into part of a private gas distribution system owned and operated by Keele University. The second phase of the HyDeploy project (HyDeploy2) continues on from the work of the first phase and is scheduled to conclude with two 12-month field trials in which hydrogen will be injected into public gas networks owned and operated by NGN and Cadent Gas.
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