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Cambridge Global Challenges


The project is a collaborative effort between Siemens, STFC, Oxford University and the University of Cardiff. STFC is hosting the demonstration project on their Energy Research Unit’s Test Site at RAL in Oxfordshire.

Dr Jim Halliday, Head of STFC’s Energy Research Unit (ERU) said “We have been very pleased to work with Siemens, Oxford University and the University of Cardiff to create this unique facility which will allow the feasibility of using surplus renewable energy to create “green ammonia” to be demonstrated for the first time. The facility will allow the technical aspects of this exciting new energy breakthrough to be thoroughly evaluated and optimised.”

The fluctuating renewable electricity needed for the project is being generated by ERU’s new 12kW wind turbine. ERU have also created a special area for the project infrastructure – each of the parts of the system has been delivered in “shipping containers” and these have then been integrated by Siemens technical staff.

On-site energy storage is becoming increasingly attractive to organisations, as there are times when the UK electricity grid is unable to accept all the wind power being generated across the nation which means either the wind turbines are turned off or the electricity is used on site or is stored.

Ian Wilkinson, Programme Manager, Siemens Corporate Technologies, said: “Carbon-free chemical energy storage – including Green Ammonia – has the potential to work alongside other storage methods such as batteries, and help increase the penetration of renewable power into our energy systems.

“This demonstrator, and the work we’ve done with colleagues from academia, is showing that Green Ammonia is a viable option and can help reduce carbon emissions from existing industrial processes as well as provide a means for transporting and storing renewable energy in bulk.”

The project is part of the Innovate UK Decoupled Green Energy project budget and has been funded with £1 million from UK Research and Innovation and approximately £500,000 from Siemens.


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Cambridge Global Challenges is a Strategic Research Initiative of the University of Cambridge that aims to enhance the contribution of its research towards addressing global challenges and achieving the Sustainable Development Goals (SDGs) by 2030.

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