Description: The Department for Energy Security and Net Zero has awarded a contract for the provision of a qualitative assessment of the proliferation resistance and physical protection (PRPP) characteristics of advanced reactor systems adapted for potential marine propulsion applications (hereafter “the Study”). This assessment b...

Description: Specialist consultancy support to provide business continuity Services within ICS/DESNZ/DSIT. The programme of services will enhance business continuity capability and readiness across the departments.

Description: DESNZ is seeking to procure a contractor to provide research services for a four-year Biomass Research Programme. The programme will advance scientific understanding of the role and potential of biomass and bioenergy in supporting climate change mitigation, enhancing energy security, and de-risking the delivery of net ...

Description: Greenhouse gas inventories (GHGI) are required to be submitted by Parties to the United Nations Framework Convention on Climate Change (UNFCCC), which includes the UK. These inventories are required to be reviewed by UNFCCC Expert Reviewers, drawn from the UNFCCC Roster of Experts. The requirement of this work is to fa...

Description: Biennial Transparency Reports (BTRs) are required to be submitted by Parties to the United Nations Framework Convention on Climate Change (UNFCCC), which includes the UK. These inventories are required to be reviewed by UNFCCC Expert Reviewers, drawn from the UNFCCC Roster of Experts. The requirement of this work is to...

Description: To validate the performance of the home energy model future homes standard wrapper (HEM:FHS); by comparing the model predictions against actual results from tests run in controlled standardised conditions. The requirement is for 6 separate tests, to cover a variety of key scenarios, featuring two weather conditions, tw...

Description: DESNZ requires results from real air pressure tests to validate the proposed infiltration methodology to be used for the Home Energy Model. A test data sample size of approx of 70,000 test results are needed to validate against is the critical requirement. The larger the sample of results, the more reliable the validat...

Description: HMG’s Financial Services and Growth Strategy specifically flagged that DESNZ would work proactively with the Green Finance Institute and others to “explore innovative financial structures for the Clean Energy Mission.” DESNZ, we see a genuine potential to add value by partnering with the GFI on their TF Lab, but need m...

Description: The contract is for the provision of the reviews and updates of the PAS 2030 and PAS 2035 standards.

Description: The Department for Energy Security and Net Zero are commissioning a Security by Design Technical Awareness Guide. The UK endorses Security by Design as a fundamental principle that should be embedded into all future nuclear projects, particularly Small and Advanced Modular Reactors. This project intends to target ‘myth...

Description: ****PRELIMINARY MARKET ENGAGEMENT EVENT February 10th 2026**** The Department for Energy Security and Net Zero (DESNZ), as the contracting authority, invites suppliers to participate in early market engagement for the forthcoming procurement of the North Sea Jobs Service (NSJS) and the Transition Training Fund (TTF) fo...

Description: ****PRELIMINARY MARKET ENGAGEMENT EVENT February 10th 2026**** The Department for Energy Security and Net Zero (DESNZ), as the contracting authority, invites suppliers to participate in early market engagement for the forthcoming procurement of the North Sea Jobs Service (NSJS) and the Transition Training Fund (TTF) fo...

Description: The Nuclear Safeguards Programme (NSP) provides international nuclear safeguards technical support to the International Atomic Energy Agency (IAEA) and the Department for Energy Security and Net Zero (DESNZ). Nuclear safeguards are technical measures to verify that States comply with their international obligations no...

Description: DESNZ requires results from real air pressure tests to validate the proposed infiltration methodology to be used for the Home Energy Model. A test data sample size of approx of 70,000 test results are needed to validate against is the critical requirement. The larger the sample of results, the more reliable the validat...

Description: The aim of this research is to build upon recent findings from the British Geological Survey (BGS) and is the next step in furthering our understanding of the geological prospectivity of natural hydrogen in the UK. The research involves the analysis of existing datasets for natural hydrogen occurrences. Findings will ...

Description: The Industrial Decarbonisation and Emissions Trading team, in collaboration with Integrated Corporate Services (ICS) Digital, are planning to procure a contract for the provision of IT Service Management and application Development services. The planned route to market is the Crown Commercial Services (CCS) Technology ...

Description: To validate the performance of the home energy model future homes standard wrapper (HEM:FHS); by comparing the model predictions against actual results from tests run in controlled standardised conditions. The requirement is for 6 separate tests, to cover a variety of key scenarios, featuring two weather conditions, tw...

Description: Supporting Indian States with Building Capacity to Access Finance for E-mobility Programmes is a capacity building programme to help the governments of the States of Telangana and Uttar Pradesh, and the Government of India, to build capacity to access finance for zero-emission vehicle (ZEV) road transport deployment. T...

Description: DESNZ is seeking to procure a consortium to deliver a research programme to build the policy-relevant evidence base for decarbonisation of the industrial sector and carbon management. The research will be spread across four main work packages on: 1. Industrial Fuel switching including electrification and alternative fu...

Description: DESNZ is seeking to procure a consortium to deliver a research programme to build the policy-relevant evidence base for decarbonisation of the industrial sector and carbon management. The research will be spread across four main work packages on: 1. Industrial Fuel switching including electrification and alternative fu...

Description: Greenhouse gas inventories (GHGI) are required to be submitted by Parties to the United Nations Framework Convention on Climate Change (UNFCCC), which includes the UK. These inventories are required to be reviewed by UNFCCC Expert Reviewers, drawn from the UNFCCC Roster of Experts. The requirement of this work is to fa...

Description: Biennial Transparency Reports (BTRs) are required to be submitted by Parties to the United Nations Framework Convention on Climate Change (UNFCCC), which includes the UK. BTRs are required to be reviewed by UNFCCC Expert Reviewers, drawn from the UNFCCC Roster of Experts. The requirement of this work is to facilitate a...

Description: DESNZ is seeking to procure a contractor to provide research services for a four-year Biomass Research Programme. The programme will advance scientific understanding of the role and potential of biomass and bioenergy in supporting climate change mitigation, enhancing energy security, and de-risking the delivery of net ...

Description: The final date and time for the submission of bids is Thursday 2nd October 2025 at 11:00 DO NOT apply directly to the buyer. All tender information MUST be submitted through the Jaggaer eSourcing Portal. Brief Description of Requirement The Department for Energy Security and Net Zero (DESNZ) seeks to commission a Mon...

Description: DESNZ is seeking to procure a supplier(s) to deliver a research programme to build the policy-relevant evidence base for adaptation action in the built environment to enable a building stock and built environment more resilient to future climate hazards. It will include research on:  Adaptation metrics and indicator...

Description: DESNZ is seeking to procure a contractor to provide climate services focusing on the integration of mitigation and adaptation to build resilience and de-risk the delivery of net zero and the Clean Power Mission. This will build on the successful CS-N0W programme, though with a new research scope.  It will include rese...

Description: Department for Energy Security and Net Zero intend to enter into a contract with Moody's Analytics for the provision of Business Intelligence Data, using their Fame and Orbis products.

Description: The Department for Energy Security and Net Zero are looking for a suplier to provide Transportation and Accommodation Services. The requirement is to provide coach and driver services, as well as accommodation booking services, at short notice (from 10 working days to as little as 12 hours), for Organisation for the P...

Description: The Department for Energy Security and Net Zero are looking for a suplier to provide Transportation and Accommodation Services. The requirement is to provide coach and driver services, as well as accommodation booking services, at short notice (from 10 working days to as little as 12 hours), for Organisation for the Pr...

Description: Great British Energy (GBE) are seeking to secure a pension provider. As GBE is not part of the civil service, it is not covered by the current civil service pension arrangements and given its unique position, requires a different approach to pension arrangements than would normally be seen in the public sector. The sup...

Description: This Contract between the Buyer and the Supplier is for the supply of Deliverables, being the provision of an auction platform and related services for the UK Emissions Trading Scheme (‘UK ETS’) auction platform and related services. Value of contract is determined by commissions paid to supplier by succesful auction p...

Description: DESNZ is seeking to procure a supplier(s) to deliver a research programme to build the policy-relevant evidence base for adaptation action in the built environment to enable a building stock and built environment more resilient to future climate hazards. It will include research on:  Adaptation metrics and indicator...

Description: DESNZ is seeking to procure a contractor to provide climate services focusing on the integration of mitigation and adaptation to build resilience and de-risk the delivery of net zero and the Clean Power Mission. This will build on the successful CS-N0W programme, though with a new research scope.  It will include rese...

Description: This is a joint renewal of the PA Media subscription for DSIT and DESNZ. PA Media is a business-critical service that is utilised by both department’s press teams.

Description: The procurement is for an ongoing requirement under the Green Deal Framework Regulations (Disclosure, Acknowledgement, Redress etc) Regulations 2012 (the ‘Framework Regulations’) place a duty on the Secretary of State to have a GD Ombudsman Scheme in operation. The GD Ombudsman Service will investigate and consider ...

Description: The procurement is for an ongoing requirement under the Green Deal Framework Regulations (Disclosure, Acknowledgement, Redress etc) Regulations 2012 (the ‘Framework Regulations’) place a duty on the Secretary of State to have a GD Ombudsman Scheme in operation. The GD Ombudsman Service will investigate and consider ...