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Operator & Working Groups



TO GRID GROUP Our Biomethane to Grid Working Group met at the end of March and began by discussing technical issues, including the upcoming CV measurement consultation and propane enrichment. The CV measurement consultation has now been published by the Energy Networks Association, on behalf of the Grid Distribution Networks – see ADBA News, p5, for full details. The conclusions of the consultation will be presented to Ofgem, as the regulator will need to approve any change. The group also raised grid capacity issues as a major barrier in some areas, and agreed to look into this further at the next meeting.

Attendees then discussed DECC’s consultation on RHI tariff guarantees. In general, the group supports the idea of tariff guarantees; however, the design needs to be right. Members agreed that when applying for the guarantee, a developer cannot know for certain the annual eligible heat output, so the application process must have a degree of flexibility. It is also important to stress that the idea of separate tariff ‘pots’ for plants without a guarantee should not be created – as the FIT degression mechanism has shown, it is almost impossible to allocate the right resource to each trigger point, which creates unintended consequences and has harmed deployment of renewable capacity. Finally, the group discussed DfT’s work on biomethane in transport, including the Transport Energy Task Force and the Ricardo AEA study.

Our operator and working groups cover the whole spectrum of the AD industry, shaping debate, raising standards and influencing policy. To find out more, or to attend a forthcoming meeting, go to the members’ area at or contact our Policy Officer, Will Bushby: T +44 (0)203 176 5440 E


Our Crop Operators Group met again recently to discuss the key issues affecting the operation and development of crop-based AD. The group is keen to lead work over the coming year to share best practice, and demonstrate the very positive contribution the industry is making to farming, as well as to UK government renewable energy and climate change targets. Members also want to show government and the wider public that they take a responsible approach to managing land for AD crops, and that there are multiple benefits to growing crops for AD. As such, the group agreed to:

• Work quickly towards getting agreement from ADBA member operators to commit themselves and their suppliers to grow crops for AD in accordance with the best practice guidelines launched by ADBA in 2014;

• Provide case studies demonstrating the positive impact on wider farm productivity of integrating AD;

• Assess how best to report and demonstrate the industry’s contribution to sustainable farming through the data ADBA collects.

In addition, the group will act as a forum for sharing best practice in a number of areas, including plant performance, health & safety, and digestate use. Members will also support our general data collection efforts to ensure high quality information is available for policy development and industry knowledge sharing.


At the most recent meeting of our Food Waste Operators Group, there was much debate around research presented by WRAP on food waste capture, showing which interventions in household waste collection schemes are successful in generating higher volumes. The group also discussed an update on European End of Waste; since the meeting, the Commission has delayed proposals for Europe-wide End of Waste criteria, though these may return in the forthcoming circular economy package (see for more details). Finally, attendees considered data availability and committed to developing a more comprehensive set of data on operational plants and their capacity/output, to help the industry challenge assumptions from official sources.


© DMT Environmental Technology and Heat and Power Services

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