Can Ireland Warm Homes and Cook Dinners with Hydrogen?

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November 18, 2021

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(Gas Networks Ireland) Whether we will be able to warm our homes and cook our dinners with hydrogen in the future is a question that researchers from University College Dublin’s Energy Institute (UCDEI) are hoping to answer as part of a new research project to investigate the potential use of hydrogen in Irish homes.

Led by Gas Networks Ireland’s Head of Technical Development and Technical Training, Liam Nolan, together with Dr Ali Ekhtiari and Dr Eoin Syron from UCDEI; the research team is testing the operation and performance of household appliances with varying levels of hydrogen and natural gas blends.

Using the testing facilities at both UCDEI’s Integrated Energy Lab and Gas Networks Ireland’s new hydrogen innovation facility in west Dublin, which enables the safe testing of pipelines, meters and appliances off-network; the team is working to understand the full potential of hydrogen and ensure Ireland’s gas pipelines are capable of safely transporting and storing this vital carbon free gas.

“The decarbonisation of Ireland’s gas network is essential if we are to transition to a net-zero energy system in Ireland by 2050. This project will provide the data needed to understand how adding hydrogen to the gas network will impact the devices and appliances we use in our homes today to ensure a smooth transition with minimal cost and disruption to consumers,” Dr Syron said.

Hydrogen can be produced from renewable electricity and stored until needed, making it an attractive option to decarbonise energy systems and a strong example of how greater integration between the gas and electricity systems can drive a cleaner energy future for Ireland.

Embraced in the UK and across Europe, Hydrogen is a critical component of the European Green Deal and recognised by the European Commission as offering “a solution to decarbonise industrial processes and economic sectors where reducing carbon emissions is both urgent and hard to achieve”.

The gas network is the cornerstone of Ireland’s energy system, securely supplying more than 30% of Ireland’s total energy, including 40% of all heating and over 50% of the country’s electricity generation. Over 706,000 Irish homes and businesses trust Ireland’s gas network to provide affordable and reliable energy to meet their heating and cooking needs.

By gradually replacing natural gas with renewable, carbon neutral and ultimately zero carbon gases, such as biomethane and hydrogen, Ireland can benefit from a net-zero carbon gas network and reduce emissions across a number of key sectors, including those that are traditionally difficult to decarbonise, such as transport, agriculture, industry, heating and reliable power generation.

“Ireland has already transitioned to a cleaner gas once before, from the old town gas, which was a combination of hydrogen, carbon monoxide and methane, to natural gas in the 1980s and we have a head start on this next chapter thanks to having one of the safest, most modern gas networks in the world,” Mr Nolan said.

He continued, “Like many gas network operators around Europe, we are investigating how much hydrogen can be blended with natural gas and transported through our existing national gas pipelines. Initial indications look very promising, particularly at lower percentage blends. Our research with UCDEI will allow us to test the operation and performance of household appliances in a very safe and controlled environment.” READ MORE

Ireland could become ‘green hydrogen powerhouse’ with Government support (Irish Examiner)

Excerpt from Irish Examiner: Its supporters say it could completely revolutionise clean energy, while its detractors say it is too cumbersome and costly to achieve on a mass scale — however, it has turned even the heads of sceptics in recent years as costs come down.

The new analysis from Aurora suggests “production under optimal conditions” would lead to the lowest costs in Europe by 2030, 8% lower than optimal production costs in Spain and 35% lower than in Germany.

Ireland’s competitive advantage stems from its high wind speeds, particularly in the west, compared to other European countries, and rising congestion within the electricity transmission system, the firm said.

“The Government aims to install 2GW of offshore wind generation connected to electrolysers by 2030, which could produce up to 138 kilotons of green hydrogen annually,” it added.

“Developers could also produce green hydrogen from surplus renewable power that would otherwise be curtailed.”

For context, proponents of green hydrogen calculate that one kiloton of hydrogen can be used to fuel 240 buses for one year, produce 20 kilotons of steel, or generate 22.5 gigawatt hours of electricity.

The firm cautioned that for the plans to come to fruition, there would need to be favourable policy changes such as incentives for producers and relief on infrastructure costs. READ MORE

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