Wray House Biogas

Deal Overview

Wray House Biogas  is a joint venture between Iona and  a family run Farm near Malton, North Yorkshire. The farm supplies the feedstock from existing farm wastes such as manure and slurry, supplemented with energy crops.

The AD plant was supplied by PlanET Biogas Group, a leading plant manufacturer, which has completed over 400 biogas plants worldwide. Surgo Construction was awarded the contract to provide engineering, procurement and construction management services.  The facility is capable of producing up to 500kW per hour of electricity, which is sold to the National Grid. Wray House receives income under the Feed in Tariff Scheme, which is part of the government environmental programme to support renewable energy projects in the UK. Wray House contributes to the reduction of green gas emissions into the atmosphere by processing farmyard waste.  Digestate from the plant provides is used as a fertiliser by the surrounding farms. 


The plant is now operated by Advantage Biogas Limited (“Advantage”). Advantage provides support services to Biogas plants in the UK focusing on routine maintenance, health and safety reports, plant optimisation and biological services. 

Investment Name

Wray House Biogas






Advantage Biogas Limited



Malton, North Yorkshire

Waste type

Farm waste


Deal closed

July 2014



Anaerobic Digestion