Gas Distribution Networks
The work programme will involve collaboration with a number of companies, identified in the previous conceptual study. These include industrial gas users and infrastructure owners covering the complete delivery chain.
The work programme involves packages of work aimed at defining the optimum network deployment Project in the Liverpool - Manchester area. It will include the essential demonstration testing to understand what hydrogen blend can be adopted in the existing distribution network including by industrial users. It will also consider the testing required for high hydrogen use. To cost effectively roll-out hydrogen blending a holistic understanding of the full network system is required. In particular defining the impact of the use of high hydrogen –gas use by industrial users on overall network operation and costs is critical to cost effective decarbonisation of the network. Network analysis to determine the hydrogen injection locations is also needed
Demonstrating testing of hydrogen use in furnaces and kilns and in boilers is required to understand the range of hydrogen-gas mixtures where hydrogen can be used, and operational limits and compatibility with hydrogen injected in the wider gas distribution network and that the potential for industrial users to help manage network demand fluctuations can be defined. Confidence in the use of blends, at the level proposed for the network (5-20% by volume) is required for these industrial applications as our industrial customers are highly heat intensive. The HyDeploy programme is trialling blends in a private network and a public trial is needed prior to adoption of a blend in the network.
The overall objective is to scope and define a network hydrogen deployment Project in the Liverpool/Merseyside area that clears the barriers for deployment of hydrogen into the gas network and could be financed and under construction in the early 2020s.
The objective is to produce a practical, preferred, design which is defined in sufficient detail that the execution risks and barriers, and financial and technical performance, are known in sufficient accuracy to allow comparison with alternative strategies for reducing the carbon intensity of the gas network and decarbonising heat supply to a range of users
The business case, including possible funding mechanisms and comparison with alternative approaches to decarbonising heat, will be developed to allow stakeholders to assess their willingness to invest in FEED and other work needed to enable a Final Investment Decision.
Certain practical demonstration testing is required prior to commitment to proceed with the Project and the objective is to develop executable work programmes to:
• Establish an acceptable network blend level and decide on the maximum hydrogen level sensibly achievable in high heat, industrial applications
• Establish an acceptable network blend level for boilers and define the work needed to enable boilers to be converted to operate on a high hydrogen fuel as well as a blend.
• Enable a proving test to be undertaken for a blend in a public network
- Assemble a viable, investment project for H2 use in the Liverpool – Manchester network
- Develop feasible project configurations, including business case.
- Assess barriers to the use of hydrogen network blends including the ability of industrial gas users to utilise a network blend.
- Assess the ability of industry in being able to provide demand management for the use of a H2 network blend in the distribution network.
- Establish storage and transport configurations for CO2 to meet gas network needs.
- Assess the opportunities to trial furnace and boiler configurations for H2 conversions linked to the network.
Assess opportunities for blending on an open ‘public’ network.