Hydrogen combi demos underway

Hydrogen combi demos underway

Baxi Heating and Worcester Bosch have installed hydrogen burning boilers at HyStreet, in specially built demonstration houses at DNV GL’s specialist test site at Spadeadam in Northumberland.

The site has been used to complete over 200 tests, researching and proving the safety of converting homes and gas networks to hydrogen.

The project is part of H21, a Network Innovation Competition project sponsored by Ofgem which is demonstrating how existing natural gas networks can be repurposed to safely carry 100% hydrogen. For the first demonstration, both Worcester Bosch and Baxi Heating have installed combis into the houses on HyStreet. The boilers have been developed as part of the UK Government-funded Hy4Heat programme, which is also supporting the development of hydrogen-ready gas cookers, fires and gas meters.

Network repurposing
Around 85% of UK homes currently rely on natural gas for heating and hot water. Repurposing the natural gas grid for use with hydrogen would mean a low disruption option for households to decarbonise heating without the need for extensive changes to existing systems.

Tim Harwood, Northern Gas Networks’ Project Director for H21, said: “Seeing the boilers in situ at Spadeadam is an exciting step in the journey to realising our goal of a gas network transporting 100% hydrogen to customers. The hydrogen boiler looks and feels just like the natural gas version we all have today and is just as user-friendly, showing that a transition could cause minimal disruption to customers.”

Dan Allason, Head of Research and Innovation, at DNV GL’s Spadeadam Research and Testing, said:  “Eight out of 10 homes in the UK use a gas boiler to heat their homes and provide hot water and replacing all gas boilers with electric alternatives could be extremely costly. Both of the boiler manufacturers have developed options with their hydrogen ready prototypes to assist the switch to a lower carbon alternative.

“Having these fitted to the HyStreet demonstration project at Spadeadam gives gravitas to the proof of concept and public acceptability of appliances such as these. The boilers are one of the first important steps.”

The manufacturers’ view
Karen Boswell, Managing Director of Baxi Heating, said: “This is an important step forward on our hydrogen journey and we are delighted to be able to demonstrate this innovative new technology in a real life setting in the UK.”

Carl Arntzen, CEO of Worcester Bosch, commented: “It is fantastic to see our prototype hydrogen boiler running successfully at this demonstration site. The boiler has operated seamlessly in its first month of operation and continues to provide both heating and hot water.

“It proves that hydrogen gas has great potential as a zero-carbon alternative to natural gas for heating and hot water in the UK and beyond. These initial tests are incredibly encouraging and will hopefully give key decision makers confidence to deploy hydrogen gas as a fuel for the future.”

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