Tender: UK Greenhouse Gas Inventory Improvement Programme – Energy, Waste and Industrial Processes (IPPU)

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DESNZ is seeking a supplier to lead and deliver the second UK Greenhouse Gas (GHG) Inventory Improvement Programme, focused on Energy, Waste and Industrial Processes and Product Use (IPPU) emissions reporting sectors. The appointed supplier will lead a consortium with expert technical understanding of inventory issues to develop methodologies, deliver sector-specific original research, engage relevant stakeholders and generate new or updated emission factors and activity data to ensure the UK GHG inventory aligns with IPCC guidelines and reflects government decarbonisation efforts. The programme requires multidisciplinary teams with expertise across climate science, mathematical emissions modelling, IPCC guidelines, UNFCCC-accredited experts and international emissions reporting standards (sectoral processes only; agriculture is excluded but knowledge of the agriculture sector is essential), supported by a dedicated programme management office. Research will combine qualitative and quantitative methods, modelling, desk-based analysis, stakeholder engagement, laboratory testing, model and methodology development, fieldwork and rigorous QA/QC to produce open, transparent models and methods that improve representation of diffuse sources, quantify emissions uncertainty reproducibly and strengthen the resilience of the UK GHG inventory. Refer to Page 55 of the ITT Document.