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| Reference Number | NIA_CAD0104 | |
| Title | Hydrogen Blending: National Safety Evidence Review | |
| Status | Started | |
| Energy Categories | Hydrogen and Fuel Cells (Hydrogen, Other infrastructure and systems R&D) 100%; | |
| Research Types | Applied Research and Development 100% | |
| Science and Technology Fields | ENGINEERING AND TECHNOLOGY (Mechanical, Aeronautical and Manufacturing Engineering) 100% | |
| UKERC Cross Cutting Characterisation | Not Cross-cutting 100% | |
| Principal Investigator |
Project Contact No email address given Cadent Gas |
|
| Award Type | Network Innovation Allowance | |
| Funding Source | Ofgem | |
| Start Date | 01 May 2024 | |
| End Date | 31 January 2025 | |
| Duration | ENA months | |
| Total Grant Value | £1,001,112 | |
| Industrial Sectors | Energy | |
| Region | London | |
| Programme | Network Innovation Allowance | |
| Investigators | Principal Investigator | Project Contact , Cadent Gas (99.999%) |
| Other Investigator | Project Contact , Northern Gas Network (NGN) North East (0.001%) |
|
| Industrial Collaborator | Project Contact , Northern Gas Networks (0.000%) Project Contact , Cadent Gas (0.000%) |
|
| Web Site | https://smarter.energynetworks.org/projects/NIA_CAD0104 |
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| Objectives | The HSE produced a safety assurance protocol in 2020 (RPS/20/07 BEIS Hydrogen for heat programme safety assurance protocol & gap analysis) for 100% hydrogen usage, in which they defined 65 Evidence Criteria that need to be met (referred to as "Considerations" in the document). These were grouped into 9 overarching topic areas. It was proposed for 51 of these criteria to be "industry-owned" in evidence submissions.Although these considerations were drafted for 100% hydrogen, they were reviewed by HyDeploy and deemed applicable to be adapted and adopted for use in the blending safety evidence. This position was subsequently confirmed by HSE as an acceptable basis for the blending national safety evidence submission. Therefore, these Evidence Criteria were used as the basis to orient the HyDeploy evidence submission.The 51 applicable Evidence Criteria were grouped by HyDeploy into 8 categories, which are defined as:01 System Architecture02 Gas Characteristics03 Gas Network04 Appliances & Installations05 Public Behaviour06 Controls07 Risk Assessment08 Implementation StrategyThese 8 categories form the subjects of the corresponding 8 Main Reports of the evidence submission, each of which addresses the Evidence Criteria within the relevant category across its various sections.The Main Reports are supported by fundamental evidence contained in various associated Technical Reports, which may be cross-referenced by other Main Reports and Technical Reports.This multi-layered reporting structure and mapping of Evidence Criteria to 8 distinct Main Reports described is illustrated in the diagrams below: Please see the attached document for the diagrams.This national safety evidence base is to be provided to DESNZ for consequent review by the HSE consistent with the direction set by the strategic policy decision, as described in Section 2.1.For the Review process to be constructive and efficient, it will be necessary to retain the expert members of the HyDeploy project (who have been involved in the creation of the evidence) to support the Review. The HyDeploy team has successfully obtained two exemptions in the past through a similar evidence review process with the HSE and therefore is suitably experienced to respond to the technical queries raised by the HSE. It is envisaged that some technical queries may be raised which require the creation of more evidence prior to full completion of the review in order to satisfy the needs of the HSE"s assessment, and therefore a decision may be made to commission further work during the review to ensure timely completion. This has been factored into the budget for this project. This could include:Consultation with Subject Matter Experts (SMEs) to provide technical decisions with appropriate peer reviews. (Referred to herein as Expert Engineering Judgement)- Additional testing and/or studies to produce evidence.Wherever possible, the project will aim to close any gaps by means of a consultation and/or study/workshop to avoid any extensive delays to the review process. Whilst creation of new evidence is not envisaged to be required due to the comprehensive nature of the HyDeploy project, it is still a possibility that the Review could determine this is required to an extent, and so contingency funding has been allocated for this purpose. This process has been depicted in the diagram below and is based on guidance provided by the HSE for 100% Hydrogen therefore is subject to change once the detailed engagementshave begun.Please see the attached file - stage diagram This project aims to provide the necessary vehicle to address all technical queries raised by the HSE with respect to the hydrogen blending evidence for Great Britain. The evidence is limited to the gas distribution networks and will not include the National transmission system, this is covered separately by National Gas in other projects (e.g. Future Grid).The evidence presented by this project can also be utilised by DESNZ to further inform their policy decision and any subsequent legislative or regulatory changes (e.g. GSMR) required to enable blending at scale.Work carried out by the Energy Networks Association in collaboration with the Gas Networks has shown that a 20%vol hydrogen blend provides capacity of 35 TWh pa available to be blended into the Gas Distribution Networks. Equal to heating around 3 million homes, saving around 6m tCO2 a year. The key objectives of this project are described as follows:1. Preparation and submission of the HyDeploy evidence for HSE to review.a. Engagement with the HSE during its Review of HyDeploy evidence.b. Provision of technical resources to address evidence gaps via:i. Expert technical judgement.ii. Further evidence generation (if required).2. Finalisation of the HyDeploy evidence according to the results of the HSE Review. | |
| Abstract | This project concerns the submission of the Evidence created through HyDeploy to the Health and Safey Executive and participation in their Review of the Evidence to evaluate the safety implications of introducing a hydrogen blend into the existing gas distribution system. The findings will serve as an input for the Department of Energy Security and Net Zero in shaping their subsequent blending policy work. | |
| Data | No related datasets |
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| Projects | No related projects |
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| Publications | No related publications |
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| Added to Database | 18/09/24 | |
