Greenhouse Gas Inventory Improvement Programme - 2 Energy, Waste, and Industrial Processes and Product Use
Department for Energy Security & Net ZeroEstimated Value
Up to £3,010,000
Deadline
27 September 2026
Published
3 August 2026
Type
Not specified
Overview
DESNZ is seeking to procure a supplier(s) to deliver and lead the second UK Greenhouse Gas (GHG) Inventory Improvement Programme of research (IIP-2). The research programme will involve an organisation with expert technical understanding of inventory issues as they relate to issues across the UK economy leading a consortium to develop methodologies, deliver sector-specific original research and engage relevant stakeholder, generating new or updated emission factors and activity data.
This will continue to ensure that the UK GHG inventory is in alignment with Intergovernmental Panel on Climate Change guidelines and reflects government decarbonisation efforts. This programme is being published as two procurements.
This one is the Energy, Waste, and Industrial Processes and Product Use (IPPU) emissions reporting sectors. Refer to Page 55 of the ITT Document Both programmes will require a multidisciplinary teams with expertise spanning but not limited to climate science, mathematical emissions modelling, IPCC guidelines, UNFCCC accredited experts and international emissions reporting standards, specifically as applied to sectoral processes (excluding the agriculture sector but a knowledge of the agriculture sector is essential).
Additional details
In addition, a dedicated programme management office will be essential to coordinate and oversee delivery. To ensure comprehensive and high-quality outcomes, the programme will employ a blend of qualitative, quantitative, modelling, and collaborative research approaches.
These will include desk-based analysis, stakeholder engagement, laboratory testing, model and methodology development, fieldwork, and rigorous QA/QC procedures. The intended outcome is a scientifically robust and transparently enhanced UK GHG inventory.
The inventory will be more resilient to future changes and capable of quantifying emissions uncertainty in a reproducible and interpretable manner. It will also improve the representation of emissions from diffuse sources, using open and transparent models and methods that allow for the identification and correction of risks and weaknesses.
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Likely incumbents
Suppliers who won similar work from this buyer in the last 5 years.
- 1
Aether Limited
£184,771
total awarded
- 2
United Kingdom National Nuclear Laboratory
£24m
total awarded
- 3
Energy Systems Catapult
£621,302
total awarded
- 4
YRD İstanbul Reklamcılık ve Danışmanlık Ticaret Anonim Şirketi
2 contracts wonlatest 6 Oct 2026ends 20 Nov 2026£845,026
total awarded
- 5
Version 1 Solutions Ltd
2 contracts wonlatest 19 Aug 2026ends 31 Aug 2029£100m
total awarded
Aether Limited is the most likely incumbent based on recency and category match. To win, bidders typically need a clearly differentiated proposition or a price advantage.
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Buyer Profile
Department for Energy Security & Net ZeroKey Dates
Published
3 August 2026
Submission deadline
27 September 2026
Notice type
tender
Source
find a tender
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