H21 Leeds City Gate

Ambitious plans to convert significant parts of the UK gas grid to be 100% hydrogen were launched by a project team led by Northern Gas Networks at an event in Westminster on 11 July 2016.

More than 200 MPs, government representatives, sustainable energy experts and academics from across the UK attended the launch of the H21 Leeds City Gate report, which calls for the gas grid to be converted to hydrogen, starting with the Leeds city region and then for conversion to take place across the country incrementally.

The report finds that converting the UK gas grid to hydrogen will be a major step towards meeting the UK’s carbon reduction targets. Currently, over 30% of all UK carbon emissions come from domestic heating and cooking. A UK-wide conversion to hydrogen gas will reduce heat emissions by a minimum of 73% as well as supporting decarbonisation of transport and localised electrical generation.

The report was jointly launched by the North of England’s gas distributer, Northern Gas Networks (NGN), Kiwa Gastec, Amec Foster Wheeler and Wales & West Utilities.

Find out more by downloading the H21 Leeds City Gate report or watch the film.

H21 Leeds City Gate Report H21 Leeds City Gate Report
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H21 North of England

The H21 North of England is a detailed engineering solution for converting 3.7 million UK homes and businesses from natural gas to hydrogen, in order to reduce carbon emissions.

Created by gas distributers Northern Gas Networks and Cadent, in partnership with global energy company Equinor, this hydrogen blueprint sets out how the UK is ready to lead the way in reducing CO2 emissions through the world’s largest clean energy project.

The UK has committed to reducing its carbon emissions to at least 80% of 1990 levels by 2050. Currently, over 30% of emissions come from domestic heating and cooking.

H21 North of England finds that converting the UK gas grid to hydrogen has the ability to provide “deep decarbonisation” of heat, as well as transport and power generation, with minimal disruption to customers.

This has the combined potential to reduce carbon emissions by over 258 million tonnes a year by 2050, equating to over 80% of the UK’s remaining reduction target.

H21 North of England report proposes conversion will begin in 2028, with expansion across 3.7 million properties in Leeds, Bradford, Wakefield, York, Huddersfield, Hull, Liverpool, Manchester, Teesside and Newcastle over the following seven years.

A six-phase further UK rollout could see 12 million more homes across the rest of the country converted to hydrogen by 2050.

For more information download the H21 North of England report or watch the film.

H21 North of England Report H21 North of England Report
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H21 NIC

H21 NIC will run an experimental testing programme to compare risks between a 100% hydrogen network and the existing natural gas network. This safety-based evidence will determine whether the network in 2032 will be equally as safe operating on either 100% hydrogen or natural gas.

It’s the first collaborative NIC project by all GDNs (Cadent, NGN, SGN, WWU) and primary partners are DNV GL and the Health and Safety Laboratory (HSL).

This project is currently underway and is expected to finish and deliver its findings in 2020.

For more information on progress of the first year of the project watch the H21 NIC film.

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H21 Strategic Modelling - Major Urban Centres

The H21 Strategic Modelling project aims to model the conversion from natural gas to hydrogen of 10 of the largest urban centres spread around the UK and selected as representative of networks from all the UK Gas Distribution Network owners. The findings of this project will facilitate the planning for conversion of cities around the UK.

The modelling will provide strategic and economic evidence for the conversion process within these cities including locations of isolation points and timescales for conversions. The modelling process has been validated and the report containing details of the process is available below.

In addition the project will provide parameters towards the design of the hydrogen production and storage infrastructure as well as the carbon capture and storage facilities required to supply the conversions. An important parameter for these facilities is the annual quantity of gas that will be required as this will need to be met to ensure security of supply. A report detailing the assessment of the quantities of gas required by the cities modelled is available below.

H21 Hydrogen Conversion Areas Demand Report H21 Hydrogen Conversion Areas Demand Report H21 Model Conversion Audit Report H21 Model Conversion Audit Report