New biogas plant for poultry manure

UK-based company Tamar Energy and Xergi creates new opportunities for increased biogas production in the UK.

On 20 March 2014 the Minister of State for Energy and Climate Change, The Rt Hon Greg Barker MP attended the official opening of the new biogas plant in Retford, Nottinghamshire. This is the first plant in the UK with Xergi’s patented pre-treatment technology NiX® which allows anaerobic digestion of large quantities of poultry manure.

 retford grand opening joint

The Retford facility is a joint venture between Tamar Energy and Sutton Grange Anaerobic Digestion, a company established by Fred Walter and Mark Paulson. It is situated on Fred Walters’ 1,000 ha family farm in Nottinghamshire. It processes poultry manure, vegetable waste and maize from suppliers in nearby areas.

Greg Barker MP, Minister of State for Energy and Climate Change says: “Tamar Energy’s new Anaerobic Digestion plant is the largest of its kind in the UK and is a great example of how waste can be used to power homes and businesses across the country. That’s why we have put a range of financial incentives in place to encourage other organisations to rise to the challenge”.   “We are very proud that Tamar Energy has chosen Xergi as its supplier. Tamar Energy is an extremely strong player dedicated to promoting biogas production in the UK market. We are also very pleased that the NiX® technology is now introduced in the UK,” says Xergi CEO Jørgen Ballermann.

Alan Lovell, Chairman, Tamar Energy adds: “Xergi was the right technology partner for the Retford facility. It has a first class track record of delivering plants, in the UK as well as in Europe, with high availability and stable biology. Good operational plants not only deliver renewable energy and fertiliser, they provide confidence to the market and investors. We are very proud of this project, which is currently the UK’s largest on-farm AD plant”.

Tamar Energy now has three operational AD plants (including the Holbeach plant, also constructed by Xergi), two plants in construction and a number of other sites in the advanced stages of development, with the aim of a national network of AD facilities generating 100 MW of renewable energy.

“Poultry manure contains high levels of nitrogen. This impedes the biological process in the digester which means that most standard biogas plants are not capable of processing large quantities of poultry manure. However, Xergi’s NiX® technology removes nitrogen before the poultry manure is added to the digester. Furthermore, the pressure cooking kills pathogens, which also eliminates the risk of spreading diseases when the digestate is used as bio-fertiliser,” explains sales manager Jørgen Fink from Xergi.

Retford aerial 673x350px 

Facts on the Retford project:

Input: 75,000 ton per year of poultry manure, vegetable waste and maize silage  

Pre-treatment: Xergi’s patented NiX® technology

Primary digester volume: 12,000 m3

Engines: Jenbacher, 3 MWe


For further information please contact: CEO Jørgen Ballermann, Xergi, phone: +45 99 35 16 00, e-mail jba@xergi.com

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