Page 13 - Gi_Feb2020

FIGURE 1 THE GAS QUALITY DECARBONISATION PATHWAY AS AGREED WITH ALL GB GAS NETWORKS
TABLE 1 H100 PROJECT PROGRAMME
DIVIDED INTO WORKSTREAM A AND
WORKSTREAM B

H100: WORKSTREAM B
Feasibility & FEED* studies
Levenmouth feasibility
Machrihanish feasibility
Aberdeen feasibility
Levenmouth FEED select
Machrihanish FEED select
Levenmouth FEED define
Machrihanish FEED define

H100: WORKSTREAM A
existing energy supply and hydrogen. and front-end engineering and design Evidence base
More importantly, this will show (FEED) studies. Initial projects
that the end goal of hydrogen networks The result of those programmes Polyethylene (PE) materials and
across the UK is a feasible and will support the hydrogen distribution jointing techniques (HSL)
sustainable way of decarbonising heat – network construction and operation at Characteristics of hydrogen (ERM)
and that it has consumer acceptance. a selected demonstrator site. Consequence testing (KIWA)
The project builds on existing The three sites initially considered Odorant and gas detection (NPL)
knowledge as well as new research to for the study included Levenmouth Hydrogen logistics (KIWA)
develop a strong evidence base. in Fife, MACC Developments Ltd Safety case (DNV-GL)
This robust foundation will support at Machrihanish Airbase near Safety case review (HSL)
the outputs of the project and the future Campbeltown, and the Aberdeen Academic partnership (University
of hydrogen technologies. Conference Centre housing of Edinburgh)
For example, hydrogen appliances development, in Aberdeen. Stakeholder engagement
developed as part of other projects will All three sites offer very diverse (Providence Policy)
be offered to the trial participants. The existing and potential system features. Metering validation (KIWA)
project deliverables will support the The feasibility and FEED studies HyCORAL – Commercial and
government’s objective to transition to are exploring the challenges and regulatory (University of
a low carbon economy. opportunities offered by each one to Edinburgh)
The project can be divided into two inform the selection on the project Transportation of debris in
programmes, which are summarised demonstrator site. pipelines (Steer)
in Table 1. Firstly, Workstream A sets The project has undergone feasibility Risk assessment to compare the
out the compliance framework and studies at all three sites in the first visibility of hydrogen and natural
evidentiary base to prove that this half of 2019. At the conclusion of the gas fires (DNV-GL)
first of a kind network is a feasible feasibility stage, it was revealed that Supplementary projects
and safe solution for decarbonising Aberdeen as a city remains a strong Hydrogen gas detection
heat and ensuring the safe and secure contender in the hydrogen economy for instrumentation (GMI)
operation of SGN’S 100 per cent large-scale low carbon activity, but not a Hydrogen excess flow valve (HSL)
hydrogen network. suitable candidate site for the purposes
The safety of the network will be of the first H100 project demonstrator.
evaluated on an ‘as safe as’ basis in This was based on challenging * FEED – Front end engineering and
comparison to the current gas network. timescale alignment with site-specific design. The initial projects include
This approach acknowledges the housing development. Accordingly, the initial work packages considered
Health and Safety Executive philosophy. Levenmouth and Machrihanish are now as part of H100. The supplementary
This is made up of quantitative and in the FEED phase. projects complement the evidence
qualitative testing, experimentation The conclusion of this phase will base developed by H100.
and analysis of hydrogen and its present the most viable location for
function in a network. the H100 project. The successful site is
A ‘road to social proof’ roadmap will likely to be announced soon.
identify the socioeconomic and technical The H100 project outputs will economic viability of future hydrogen
issues to be overcome to deliver a 100 include quantitative and qualitative network projects. Unlike H21: North of
per cent hydrogen network. risk assessments, which will underpin England, from Northern Gas Networks,
The roadmap will form the backbone the safe construction and operation of which aims to re-purpose an existing
of the safety case. It will also underpin future hydrogen networks. gas distribution network, SGN’s H100
the development and amendment H100 will present a detailed body will develop a brand new purpose-
of existing operational procedures of evidence to demonstrate how to built network. Both types of projects
required for the demonstration. cost effectively select suitable sites for are required to ensure a smooth
Secondly, Workstream B assesses hydrogen networks and stimulate the transition to hydrogen can be achieved
the technical and commercial viability hydrogen supply chain. The project and different solutions are available
of three sites and compares them could also support the development for specific areas. In short, H100
through detailed site-specific feasibility of business models to ensure the will provide a series of blueprints to

13

16/01/2020 14:05
H100.indd 2
H100.indd 2 16/01/2020 14:05