{ "uri": "https://www.find-tender.service.gov.uk/api/1.0/ocdsRecordPackages/ocds-h6vhtk-079203", "publisher": { "name": "Cabinet Office", "scheme": "GB-GOR", "uid": "D2", "uri": "https://www.gov.uk/government/organisations/cabinet-office" }, "publishedDate": "2026-10-28T10:01:15Z", "license": "http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/", "publicationPolicy": "https://www.gov.uk/government/publications/open-contracting", "version": "1.1", "extensions": [ "https://standard.open-contracting.org/profiles/eu/latest/en/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_amendment_rationale_classifications_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_budget_breakdown_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_contract_completion_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_documentation_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_pagination_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_suitability_extension/master/extension.json", "https://raw.githubusercontent.com/portaledcahn/ocds_Links_extension/main/extension.json", "https://raw.githubusercontent.com/cabinetoffice/ocds_uk_extension/main/extension.json" ], "packages": [ "https://www.find-tender.service.gov.uk/api/1.0/ocdsRecordPackages/ocds-h6vhtk-079203" ], "records": [ { "ocid": "ocds-h6vhtk-079203", "releases": [ { "ocid": "ocds-h6vhtk-079203", "buyerID": [], "id": "101887-2026", "tag": [ "award", "contract" ], "date": "2026-10-28T10:01:11Z", "initiationType": "tender", "parties": [ { "name": "Department for Energy Security & Net Zero", "id": "GB-PPON-PDHQ-2163-WYMH", "identifier": { "scheme": "GB-PPON", "id": "PDHQ-2163-WYMH" }, "address": { "streetAddress": "55 Whitehall", "locality": "London", "postalCode": "SW1A 2HP", "country": "GB", "countryName": "United Kingdom", "region": "UKI32" }, "contactPoint": { "email": "nuclearcommercial@energysecurity.gov.uk" }, "roles": [ "buyer" ], "details": { "classifications": [ { "scheme": "UK_CA_TYPE", "id": "publicAuthorityCentralGovernment", "description": "Public authority - central government" } ] } }, { "name": "United Kingdom National Nuclear Laboratory", "id": "GB-PPON-PVXT-8784-YGNV", "identifier": { "scheme": "GB-PPON", "id": "PVXT-8784-YGNV" }, "address": { "streetAddress": "Chadwick House, Birchwood Park", "locality": "Warrington", "postalCode": "WA3 6AE", "country": "GB", "countryName": "United Kingdom", "region": "UKD61" }, "contactPoint": { "email": "commercial@uknnl.com" }, "roles": [ "supplier" ], "details": { "scale": "large", "vcse": false } } ], "buyer": { "id": "GB-PPON-PDHQ-2163-WYMH", "name": "Department for Energy Security & Net Zero" }, "tender": { "id": "ocds-h6vhtk-079203", "legalBasis": { "id": "2023/54", "scheme": "UKPGA", "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents" }, "title": "DESNZ UKNNL Framework", "description": "Background\nThe Department for Energy Security and Net Zero (“DESNZ”) owns HM Government’s mission to make the UK a clean energy superpower by achieving clean power by 2030 and Net Zero by 2050. Nuclear Power is intended to play a critical role in achieving this mission through the provision of low carbon, baseload energy generation to a renewables-led power system in the UK. The UK is also a UN Permanent Five (P5) Nuclear Nation, which entails both domestic and international responsibilities for which DESNZ is the lead Department in delivering.\nIt is therefore critical that DESNZ is able to:\n•\tMake effective, informed policy decisions\n•\tDeliver an effective regulatory regime which supports the delivery of effective, safe and safeguarded nuclear energy generation in the UK and abroad; \n•\tCollaborate with partners both international and domestic to ensure the UK promotes world-leading practices in the sector, supports effective international collaboration on nuclear matters and discharges its obligations as a nuclear state; and \n•\tWork with the nuclear sector to enable the development of novel, innovative technologies. \nBased on historic workload and future pipeline, there will be occasions where DESNZ does not have the specialist knowledge or capability in-house to deliver these responsibilities and will require highly specialist third party to enable the achievements of its objectives.\nOverarching Framework Requirements\nDESNZ requires support across three service lines which collectively constitute the scope of this framework:\n•\tResearch and Development \n•\tTechnical Managed Services – services critical to the functioning of the nuclear sector and/or DESNZ’s role; and\n•\tSpecialist Advisory Services – deep scientific, technical and/or engineering insight into complex matters in the nuclear sector for which DESNZ does not have the requisite capability, experience or insight.\nThe application of VAT will be determined on a per-call off basis.", "status": "complete", "procurementMethod": "direct", "procurementMethodDetails": "Direct award", "procurementMethodRationale": "Regulatory Justification\nThe award of this framework is justified under the following provision of the Procurement Act 2023:\n•\tParagraph 6 of Schedule 5–Technical Reasons\n And further supported by:\n•\tParagraph 22 of Part 2 of Schedule 2–Research and Development Services\n•\tParagraph 2 of Schedule 5–Prototypes and Development\nThe following rationale demonstrates why the awarded Supplier, the United Kingdom National Nuclear Laboratory (“UKNNL”), is the only supplier that can meet the requirements of the framework and how the overarching framework’s requirements, as well as each of the service lines, are supported by the above justifications. As a framework, the nature of the services which may be commissioned through call-off contracts will vary. The justification for each call-off will compromise of some or all elements of the overarching direct award justification as set out in this notice.\nBackground\nThe Department for Energy Security and Net Zero (“DESNZ”) owns HM Government’s mission to make the UK a clean energy superpower by achieving clean power by 2030 and Net Zero by 2050. Nuclear Power is intended to play a critical role in achieving this mission through the provision of low carbon, baseload energy generation to a renewables-led power system in the UK. The UK is also a UN Permanent Five (P5) Nuclear Nation, which entails both domestic and international responsibilities for which DESNZ is the lead Department in delivering.\nIt is therefore critical that DESNZ is able to:\n•\tMake effective, informed policy decisions\n•\tDeliver an effective regulatory regime which supports the delivery of effective, safe and safeguarded nuclear energy generation in the UK and abroad;\n•\tCollaborate with partners both international and domestic to ensure the UK promotes world-leading practices in the sector, supports effective international collaboration on nuclear matters and discharges its obligations as a nuclear state; and \n•\tWork with the nuclear sector to enable the development of novel, innovative technologies. \nBased on historic workload and future pipeline, there will be occasions where DESNZ does not have the specialist knowledge or capability in-house to deliver these responsibilities and will require highly specialist third party to enable the achievements of its objectives.\nOverarching Framework Requirements\nDESNZ requires support across three service lines which collectively constitute the scope of this framework:\n•\tResearch and Development\n•\tTechnical Managed Services–services critical to the functioning of the nuclear sector and/or DESNZ’s role; and\n•\tSpecialist Advisory Services–deep scientific, technical and/or engineering insight into complex matters in the nuclear sector for which DESNZ does not have the requisite capability, experience or insight.\nState Control\nEach of the above service lines require the supplier to ensure that:\n•\tResulting IP or knowledge assets remain in state control or should be distributed throughout the sector; and\n•\tResearch/advice must be market neutral and not seek commercial advantage.\nIt is therefore necessary that each of the service lines is delivered by a publicly owned supplier to satisfy the state-controlled IP and market neutrality requirements.\nUKNNL are the only Government-owned and -operated organisation in the nuclear sector that can meet these conditions as well as the service line requirements of the framework.\nTherefore, in line with Paragraph 6 of Schedule 5 of the Procurement Act 2023, UKNNL are the only supplier that can meet these requirements. A privately owned entity would have a fundamental character that is incompatible with the purpose of the requirement under the framework.\nService Line Requirements\n•\tResearch and Development\nThe undertaking of research and development projects into nationally significant capabilities and technologies relating to the production of Nuclear Energy.\nWhilst the specific objectives of individual projects shall vary, it is anticipated that any research and development projects shall consist of one or more of the following:\n•\tResearch to acquire new scientific or technical knowledge without any particular application or use in view;\n•\tResearch directed mainly at the generating of scientific or technical knowledge for the purposes of a particular objective;\n•\tDevelopment which uses existing knowledge to initiate the manufacture of new materials or products, establish new processes, systems or services or to achieve a substantial improvement in existing materials, products, processes, systems or services; and\n•\tThe manufacture and testing of prototypes.\nThe subject matter of Research and Development call-offs are allowable exemptions for direct award under both Paragraph 22 of Part 2 of Schedule 2–Research and Development Services and Paragraph 2 of Schedule 5–Prototypes and Development.\n•\tTechnical Managed Services\nOwnership and delivery of self-contained, end-to-end projects and/or programmes consisting of work packages including:\n•\tProject management;\n•\tDefining issues;\n•\tDeveloping methodologies;\n•\tSetting success criteria;\n•\tCapturing processes and rationale;\n•\tUndertaking research and managing experiments;\n•\tManagement of risk;\n•\tAnalysis of results; and\n•\tCapturing outcomes and recommendations.\nThese managed services will be required in circumstances where:\n•\t The level of technical and/or scientific expertise is beyond that held within DESNZ;\n•\taccess to and the maintenance of specialist assets, facilities or capabilities is required (such as those that require the operator to hold nuclear licences as provided by the Office for Nuclear Regulation); and/or\n•\tDESNZ determines that it is inappropriate for either DESNZ itself or a private organisation to deliver a service due to inherent sensitivities, complexities or market impact considerations inherent in the service being delivered.\nThis may include Post-Irradiation Examination (“PIE”). PIE requires the capability and assets to enable the handling of highly irradiated materials. PIE is a critical service to the operation of UK domestic nuclear reactors and the functioning of the UK nuclear sector. DESNZ does not have the capability to deliver the service, nor would it be appropriate for it to do so. There is no competitive domestic market for PIE; UKNNL are the only organisation with the capability and ONR licence to deliver the service, doing so on commercial terms but in a market agnostic manner. It would be technically impossible for any other commercial entity to acquire the same licensing and develop and build the required facilities and specialist assets within any operationally relevant timeframe. The award of a contract to UKNNL through this framework to deliver PIE as a technical managed service on DESNZ’s behalf to third parties would therefore meet the conditions of Paragraph 6 of Schedule 5 of the Procurement Act 2023.\n•\tSpecialist Advisory Services\nThese services shall consist of the provision of advice, guidance, thought leadership and consultancy to DESNZ specifically relating to specialist technical and scientific nuclear matters that align with UKNNL’s uniquely specialist technical, engineering and scientific capabilities in the nuclear sector, including:\n•\tThe nuclear fuel cycle;\n•\tRadionuclide applications;\n•\tPlutonium science;\n•\tAdvanced reactor technologies; and\n•\tNuclear waste management, decommissioning and disposal\nThe services shall be one-off, or a series of connected, deliverables that feed into and inform DESNZ owned projects and workstreams. In delivering these services, UKNNL may be working alongside and/or integrated into DESNZ project teams or outside of DESNZ’s organisation across HMG.\nThese services will require the supplier to have end-to-end nuclear fuel cycle expertise as well as areas of highly niche and specialised expertise including the understanding complex Uranic Materials, Wastes and Residues.\nComplex Uranic Materials, Wastes and Residues\nThe UK owns a stockpile of plutonium that is a legacy of the operation of older Magnox reactors. This stockpile is held in Sellafield, where the vast majority of nuclear waste is held in the UK.\nAdvisory services regarding this topic will require deep knowledge of the characterisation, process development and treatment of complex uranic wastes and residues, including materials containing mixed uranium enrichments. Such advice can therefore only be provided by a supplier with access to active laboratory facilities, nuclear materials expertise, radiochemistry capability, fuel cycle knowledge and process engineering capability.\nUKNNL operates a laboratory at the Sellafield site where it undertakes both analysis of the plutonium stockpile and research into how waste can be handled more effectively/safely. Given the sensitivity regarding the proliferation risks when it comes to handling plutonium, only UKNNL have the permission to handle plutonium in this manner. This gives them unique capability and knowledge of the waste, all of which sits within state ownership. It would be technically impossible for any other commercial entity to secure the relevant permissions and subsequently undertake the development and construction of the specialist facilities required within any operationally relevant timeframe. A contract to UKNNL to provide advisory services to DESNZ on this matter would therefore meet the requirements of Paragraph 6 of Schedule 5 of the Procurement Act 2023.\nFramework limitations\nThe framework is limited to the research and development, technical managed services and specialist advisory services relating to nuclear power generation described in this notice. It does not cover general consultancy that can be supplied through the wider market. DESNZ will use the framework only where the relevant requirement falls within the technical reasons supporting this direct award; other requirements will be procured separately.", "procurementMethodRationaleClassifications": [ { "id": "prototypesDevelopment" }, { "id": "singleSuppliersTechnicalReasons" } ], "techniques": { "hasFrameworkAgreement": true, "frameworkAgreement": { "type": "closed" } }, "lots": [ { "id": "1", "status": "complete", "description": null } ], "documents": [ { "id": "conflictOfInterest", "documentType": "conflictOfInterest", "description": "Not published" } ] }, "awards": [ { "id": "1", "status": "pending", "value": { "amountGross": 216000000, "amount": 180000000, "currency": "GBP" }, "mainProcurementCategory": "services", "aboveThreshold": true, "suppliers": [ { "id": "GB-PPON-PVXT-8784-YGNV", "name": "United Kingdom National Nuclear Laboratory" } ], "items": [ { "id": "1", "additionalClassifications": [ { "scheme": "CPV", "id": "09340000", "description": "Nuclear fuels" }, { "scheme": "CPV", "id": "73111000", "description": "Research laboratory services" }, { "scheme": "CPV", "id": "71356000", "description": "Technical services" }, { "scheme": "CPV", "id": "73300000", "description": "Design and execution of research and development" } ], "deliveryAddresses": [ { "region": "UK", "country": "GB", "countryName": "United Kingdom" } ], "relatedLot": "1" } ], "contractPeriod": { "startDate": "2027-01-01T00:00:00+00:00", "endDate": "2034-12-31T23:59:59+00:00" }, "relatedLots": [ "1" ], "documents": [ { "id": "101887-2026", "documentType": "awardNotice", "noticeType": "UK5", "description": "Transparency notice on Find a Tender", "url": "https://www.find-tender.service.gov.uk/Notice/101887-2026", "datePublished": "2026-10-28T10:01:11Z", "format": "text/html" } ], "milestones": [ { "id": "1", "type": "futureSignatureDate", "dueDate": "2026-12-15T23:59:59+00:00", "status": "scheduled" } ] } ], "language": "en", "extensions": [ "https://standard.open-contracting.org/profiles/eu/latest/en/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_amendment_rationale_classifications_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_budget_breakdown_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_contract_completion_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_documentation_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_pagination_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_performance_failures_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_suitability_extension/master/extension.json", "https://raw.githubusercontent.com/portaledcahn/ocds_Links_extension/main/extension.json", "https://raw.githubusercontent.com/cabinetoffice/ocds_uk_extension/main/extension.json" ] } ], "compiledRelease": { "tag": [ "compiled" ], "id": "ocds-h6vhtk-079203-2026-10-28T10:01:11Z", "date": "2026-10-28T10:01:11Z", "ocid": "ocds-h6vhtk-079203", "initiationType": "tender", "parties": [ { "id": "GB-PPON-PDHQ-2163-WYMH", "name": "Department for Energy Security & Net Zero", "identifier": { "scheme": "GB-PPON", "id": "PDHQ-2163-WYMH" }, "address": { "streetAddress": "55 Whitehall", "locality": "London", "postalCode": "SW1A 2HP", "country": "GB", "countryName": "United Kingdom", "region": "UKI32" }, "contactPoint": { "email": "nuclearcommercial@energysecurity.gov.uk" }, "roles": [ "buyer" ], "details": { "classifications": [ { "scheme": "UK_CA_TYPE", "id": "publicAuthorityCentralGovernment", "description": "Public authority - central government" } ] } }, { "id": "GB-PPON-PVXT-8784-YGNV", "name": "United Kingdom National Nuclear Laboratory", "identifier": { "scheme": "GB-PPON", "id": "PVXT-8784-YGNV" }, "address": { "streetAddress": "Chadwick House, Birchwood Park", "locality": "Warrington", "postalCode": "WA3 6AE", "country": "GB", "countryName": "United Kingdom", "region": "UKD61" }, "contactPoint": { "email": "commercial@uknnl.com" }, "roles": [ "supplier" ], "details": { "scale": "large", "vcse": false } } ], "buyer": { "id": "GB-PPON-PDHQ-2163-WYMH", "name": "Department for Energy Security & Net Zero" }, "tender": { "id": "ocds-h6vhtk-079203", "legalBasis": { "id": "2023/54", "scheme": "UKPGA", "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents" }, "title": "DESNZ UKNNL Framework", "description": "Background\nThe Department for Energy Security and Net Zero (“DESNZ”) owns HM Government’s mission to make the UK a clean energy superpower by achieving clean power by 2030 and Net Zero by 2050. Nuclear Power is intended to play a critical role in achieving this mission through the provision of low carbon, baseload energy generation to a renewables-led power system in the UK. The UK is also a UN Permanent Five (P5) Nuclear Nation, which entails both domestic and international responsibilities for which DESNZ is the lead Department in delivering.\nIt is therefore critical that DESNZ is able to:\n•\tMake effective, informed policy decisions\n•\tDeliver an effective regulatory regime which supports the delivery of effective, safe and safeguarded nuclear energy generation in the UK and abroad; \n•\tCollaborate with partners both international and domestic to ensure the UK promotes world-leading practices in the sector, supports effective international collaboration on nuclear matters and discharges its obligations as a nuclear state; and \n•\tWork with the nuclear sector to enable the development of novel, innovative technologies. \nBased on historic workload and future pipeline, there will be occasions where DESNZ does not have the specialist knowledge or capability in-house to deliver these responsibilities and will require highly specialist third party to enable the achievements of its objectives.\nOverarching Framework Requirements\nDESNZ requires support across three service lines which collectively constitute the scope of this framework:\n•\tResearch and Development \n•\tTechnical Managed Services – services critical to the functioning of the nuclear sector and/or DESNZ’s role; and\n•\tSpecialist Advisory Services – deep scientific, technical and/or engineering insight into complex matters in the nuclear sector for which DESNZ does not have the requisite capability, experience or insight.\nThe application of VAT will be determined on a per-call off basis.", "status": "complete", "procurementMethod": "direct", "procurementMethodDetails": "Direct award", "procurementMethodRationale": "Regulatory Justification\nThe award of this framework is justified under the following provision of the Procurement Act 2023:\n•\tParagraph 6 of Schedule 5–Technical Reasons\n And further supported by:\n•\tParagraph 22 of Part 2 of Schedule 2–Research and Development Services\n•\tParagraph 2 of Schedule 5–Prototypes and Development\nThe following rationale demonstrates why the awarded Supplier, the United Kingdom National Nuclear Laboratory (“UKNNL”), is the only supplier that can meet the requirements of the framework and how the overarching framework’s requirements, as well as each of the service lines, are supported by the above justifications. As a framework, the nature of the services which may be commissioned through call-off contracts will vary. The justification for each call-off will compromise of some or all elements of the overarching direct award justification as set out in this notice.\nBackground\nThe Department for Energy Security and Net Zero (“DESNZ”) owns HM Government’s mission to make the UK a clean energy superpower by achieving clean power by 2030 and Net Zero by 2050. Nuclear Power is intended to play a critical role in achieving this mission through the provision of low carbon, baseload energy generation to a renewables-led power system in the UK. The UK is also a UN Permanent Five (P5) Nuclear Nation, which entails both domestic and international responsibilities for which DESNZ is the lead Department in delivering.\nIt is therefore critical that DESNZ is able to:\n•\tMake effective, informed policy decisions\n•\tDeliver an effective regulatory regime which supports the delivery of effective, safe and safeguarded nuclear energy generation in the UK and abroad;\n•\tCollaborate with partners both international and domestic to ensure the UK promotes world-leading practices in the sector, supports effective international collaboration on nuclear matters and discharges its obligations as a nuclear state; and \n•\tWork with the nuclear sector to enable the development of novel, innovative technologies. \nBased on historic workload and future pipeline, there will be occasions where DESNZ does not have the specialist knowledge or capability in-house to deliver these responsibilities and will require highly specialist third party to enable the achievements of its objectives.\nOverarching Framework Requirements\nDESNZ requires support across three service lines which collectively constitute the scope of this framework:\n•\tResearch and Development\n•\tTechnical Managed Services–services critical to the functioning of the nuclear sector and/or DESNZ’s role; and\n•\tSpecialist Advisory Services–deep scientific, technical and/or engineering insight into complex matters in the nuclear sector for which DESNZ does not have the requisite capability, experience or insight.\nState Control\nEach of the above service lines require the supplier to ensure that:\n•\tResulting IP or knowledge assets remain in state control or should be distributed throughout the sector; and\n•\tResearch/advice must be market neutral and not seek commercial advantage.\nIt is therefore necessary that each of the service lines is delivered by a publicly owned supplier to satisfy the state-controlled IP and market neutrality requirements.\nUKNNL are the only Government-owned and -operated organisation in the nuclear sector that can meet these conditions as well as the service line requirements of the framework.\nTherefore, in line with Paragraph 6 of Schedule 5 of the Procurement Act 2023, UKNNL are the only supplier that can meet these requirements. A privately owned entity would have a fundamental character that is incompatible with the purpose of the requirement under the framework.\nService Line Requirements\n•\tResearch and Development\nThe undertaking of research and development projects into nationally significant capabilities and technologies relating to the production of Nuclear Energy.\nWhilst the specific objectives of individual projects shall vary, it is anticipated that any research and development projects shall consist of one or more of the following:\n•\tResearch to acquire new scientific or technical knowledge without any particular application or use in view;\n•\tResearch directed mainly at the generating of scientific or technical knowledge for the purposes of a particular objective;\n•\tDevelopment which uses existing knowledge to initiate the manufacture of new materials or products, establish new processes, systems or services or to achieve a substantial improvement in existing materials, products, processes, systems or services; and\n•\tThe manufacture and testing of prototypes.\nThe subject matter of Research and Development call-offs are allowable exemptions for direct award under both Paragraph 22 of Part 2 of Schedule 2–Research and Development Services and Paragraph 2 of Schedule 5–Prototypes and Development.\n•\tTechnical Managed Services\nOwnership and delivery of self-contained, end-to-end projects and/or programmes consisting of work packages including:\n•\tProject management;\n•\tDefining issues;\n•\tDeveloping methodologies;\n•\tSetting success criteria;\n•\tCapturing processes and rationale;\n•\tUndertaking research and managing experiments;\n•\tManagement of risk;\n•\tAnalysis of results; and\n•\tCapturing outcomes and recommendations.\nThese managed services will be required in circumstances where:\n•\t The level of technical and/or scientific expertise is beyond that held within DESNZ;\n•\taccess to and the maintenance of specialist assets, facilities or capabilities is required (such as those that require the operator to hold nuclear licences as provided by the Office for Nuclear Regulation); and/or\n•\tDESNZ determines that it is inappropriate for either DESNZ itself or a private organisation to deliver a service due to inherent sensitivities, complexities or market impact considerations inherent in the service being delivered.\nThis may include Post-Irradiation Examination (“PIE”). PIE requires the capability and assets to enable the handling of highly irradiated materials. PIE is a critical service to the operation of UK domestic nuclear reactors and the functioning of the UK nuclear sector. DESNZ does not have the capability to deliver the service, nor would it be appropriate for it to do so. There is no competitive domestic market for PIE; UKNNL are the only organisation with the capability and ONR licence to deliver the service, doing so on commercial terms but in a market agnostic manner. It would be technically impossible for any other commercial entity to acquire the same licensing and develop and build the required facilities and specialist assets within any operationally relevant timeframe. The award of a contract to UKNNL through this framework to deliver PIE as a technical managed service on DESNZ’s behalf to third parties would therefore meet the conditions of Paragraph 6 of Schedule 5 of the Procurement Act 2023.\n•\tSpecialist Advisory Services\nThese services shall consist of the provision of advice, guidance, thought leadership and consultancy to DESNZ specifically relating to specialist technical and scientific nuclear matters that align with UKNNL’s uniquely specialist technical, engineering and scientific capabilities in the nuclear sector, including:\n•\tThe nuclear fuel cycle;\n•\tRadionuclide applications;\n•\tPlutonium science;\n•\tAdvanced reactor technologies; and\n•\tNuclear waste management, decommissioning and disposal\nThe services shall be one-off, or a series of connected, deliverables that feed into and inform DESNZ owned projects and workstreams. In delivering these services, UKNNL may be working alongside and/or integrated into DESNZ project teams or outside of DESNZ’s organisation across HMG.\nThese services will require the supplier to have end-to-end nuclear fuel cycle expertise as well as areas of highly niche and specialised expertise including the understanding complex Uranic Materials, Wastes and Residues.\nComplex Uranic Materials, Wastes and Residues\nThe UK owns a stockpile of plutonium that is a legacy of the operation of older Magnox reactors. This stockpile is held in Sellafield, where the vast majority of nuclear waste is held in the UK.\nAdvisory services regarding this topic will require deep knowledge of the characterisation, process development and treatment of complex uranic wastes and residues, including materials containing mixed uranium enrichments. Such advice can therefore only be provided by a supplier with access to active laboratory facilities, nuclear materials expertise, radiochemistry capability, fuel cycle knowledge and process engineering capability.\nUKNNL operates a laboratory at the Sellafield site where it undertakes both analysis of the plutonium stockpile and research into how waste can be handled more effectively/safely. Given the sensitivity regarding the proliferation risks when it comes to handling plutonium, only UKNNL have the permission to handle plutonium in this manner. This gives them unique capability and knowledge of the waste, all of which sits within state ownership. It would be technically impossible for any other commercial entity to secure the relevant permissions and subsequently undertake the development and construction of the specialist facilities required within any operationally relevant timeframe. A contract to UKNNL to provide advisory services to DESNZ on this matter would therefore meet the requirements of Paragraph 6 of Schedule 5 of the Procurement Act 2023.\nFramework limitations\nThe framework is limited to the research and development, technical managed services and specialist advisory services relating to nuclear power generation described in this notice. It does not cover general consultancy that can be supplied through the wider market. 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power by 2030 and Net Zero by 2050. Nuclear Power is intended to play a critical role in achieving this mission through the provision of low carbon, baseload energy generation to a renewables-led power system in the UK. The UK is also a UN Permanent Five (P5) Nuclear Nation, which entails both domestic and international responsibilities for which DESNZ is the lead Department in delivering.\nIt is therefore critical that DESNZ is able to:\n•\tMake effective, informed policy decisions\n•\tDeliver an effective regulatory regime which supports the delivery of effective, safe and safeguarded nuclear energy generation in the UK and abroad; \n•\tCollaborate with partners both international and domestic to ensure the UK promotes world-leading practices in the sector, supports effective international collaboration on nuclear matters and discharges its obligations as a nuclear state; and \n•\tWork with the nuclear sector to enable the development of novel, innovative technologies. \nBased on historic workload and future pipeline, there will be occasions where DESNZ does not have the specialist knowledge or capability in-house to deliver these responsibilities and will require highly specialist third party to enable the achievements of its objectives.\nOverarching Framework Requirements\nDESNZ requires support across three service lines which collectively constitute the scope of this framework:\n•\tResearch and Development \n•\tTechnical Managed Services – services critical to the functioning of the nuclear sector and/or DESNZ’s role; and\n•\tSpecialist Advisory Services – deep scientific, technical and/or engineering insight into complex matters in the nuclear sector for which DESNZ does not have the requisite capability, experience or insight.\nThe application of VAT will be determined on a per-call off basis." } ], "status": [ { "releaseID": "101887-2026", "releaseDate": "2026-10-28T10:01:11Z", "releaseTag": [ "award", "contract" ], "value": "complete" } ], "procurementMethod": [ { "releaseID": "101887-2026", "releaseDate": "2026-10-28T10:01:11Z", "releaseTag": [ "award", "contract" ], "value": "direct" } ], "procurementMethodDetails": [ { "releaseID": "101887-2026", "releaseDate": "2026-10-28T10:01:11Z", "releaseTag": [ "award", "contract" ], "value": "Direct award" } ], "procurementMethodRationale": [ { "releaseID": "101887-2026", "releaseDate": "2026-10-28T10:01:11Z", "releaseTag": [ "award", "contract" ], "value": "Regulatory Justification\nThe award of this framework is justified under the following provision of the Procurement Act 2023:\n•\tParagraph 6 of Schedule 5–Technical Reasons\n And further supported by:\n•\tParagraph 22 of Part 2 of Schedule 2–Research and Development Services\n•\tParagraph 2 of Schedule 5–Prototypes and Development\nThe following rationale demonstrates why the awarded Supplier, the United Kingdom National Nuclear Laboratory (“UKNNL”), is the only supplier that can meet the requirements of the framework and how the overarching framework’s requirements, as well as each of the service lines, are supported by the above justifications. As a framework, the nature of the services which may be commissioned through call-off contracts will vary. The justification for each call-off will compromise of some or all elements of the overarching direct award justification as set out in this notice.\nBackground\nThe Department for Energy Security and Net Zero (“DESNZ”) owns HM Government’s mission to make the UK a clean energy superpower by achieving clean power by 2030 and Net Zero by 2050. Nuclear Power is intended to play a critical role in achieving this mission through the provision of low carbon, baseload energy generation to a renewables-led power system in the UK. The UK is also a UN Permanent Five (P5) Nuclear Nation, which entails both domestic and international responsibilities for which DESNZ is the lead Department in delivering.\nIt is therefore critical that DESNZ is able to:\n•\tMake effective, informed policy decisions\n•\tDeliver an effective regulatory regime which supports the delivery of effective, safe and safeguarded nuclear energy generation in the UK and abroad;\n•\tCollaborate with partners both international and domestic to ensure the UK promotes world-leading practices in the sector, supports effective international collaboration on nuclear matters and discharges its obligations as a nuclear state; and \n•\tWork with the nuclear sector to enable the development of novel, innovative technologies. \nBased on historic workload and future pipeline, there will be occasions where DESNZ does not have the specialist knowledge or capability in-house to deliver these responsibilities and will require highly specialist third party to enable the achievements of its objectives.\nOverarching Framework Requirements\nDESNZ requires support across three service lines which collectively constitute the scope of this framework:\n•\tResearch and Development\n•\tTechnical Managed Services–services critical to the functioning of the nuclear sector and/or DESNZ’s role; and\n•\tSpecialist Advisory Services–deep scientific, technical and/or engineering insight into complex matters in the nuclear sector for which DESNZ does not have the requisite capability, experience or insight.\nState Control\nEach of the above service lines require the supplier to ensure that:\n•\tResulting IP or knowledge assets remain in state control or should be distributed throughout the sector; and\n•\tResearch/advice must be market neutral and not seek commercial advantage.\nIt is therefore necessary that each of the service lines is delivered by a publicly owned supplier to satisfy the state-controlled IP and market neutrality requirements.\nUKNNL are the only Government-owned and -operated organisation in the nuclear sector that can meet these conditions as well as the service line requirements of the framework.\nTherefore, in line with Paragraph 6 of Schedule 5 of the Procurement Act 2023, UKNNL are the only supplier that can meet these requirements. A privately owned entity would have a fundamental character that is incompatible with the purpose of the requirement under the framework.\nService Line Requirements\n•\tResearch and Development\nThe undertaking of research and development projects into nationally significant capabilities and technologies relating to the production of Nuclear Energy.\nWhilst the specific objectives of individual projects shall vary, it is anticipated that any research and development projects shall consist of one or more of the following:\n•\tResearch to acquire new scientific or technical knowledge without any particular application or use in view;\n•\tResearch directed mainly at the generating of scientific or technical knowledge for the purposes of a particular objective;\n•\tDevelopment which uses existing knowledge to initiate the manufacture of new materials or products, establish new processes, systems or services or to achieve a substantial improvement in existing materials, products, processes, systems or services; and\n•\tThe manufacture and testing of prototypes.\nThe subject matter of Research and Development call-offs are allowable exemptions for direct award under both Paragraph 22 of Part 2 of Schedule 2–Research and Development Services and Paragraph 2 of Schedule 5–Prototypes and Development.\n•\tTechnical Managed Services\nOwnership and delivery of self-contained, end-to-end projects and/or programmes consisting of work packages including:\n•\tProject management;\n•\tDefining issues;\n•\tDeveloping methodologies;\n•\tSetting success criteria;\n•\tCapturing processes and rationale;\n•\tUndertaking research and managing experiments;\n•\tManagement of risk;\n•\tAnalysis of results; and\n•\tCapturing outcomes and recommendations.\nThese managed services will be required in circumstances where:\n•\t The level of technical and/or scientific expertise is beyond that held within DESNZ;\n•\taccess to and the maintenance of specialist assets, facilities or capabilities is required (such as those that require the operator to hold nuclear licences as provided by the Office for Nuclear Regulation); and/or\n•\tDESNZ determines that it is inappropriate for either DESNZ itself or a private organisation to deliver a service due to inherent sensitivities, complexities or market impact considerations inherent in the service being delivered.\nThis may include Post-Irradiation Examination (“PIE”). PIE requires the capability and assets to enable the handling of highly irradiated materials. PIE is a critical service to the operation of UK domestic nuclear reactors and the functioning of the UK nuclear sector. DESNZ does not have the capability to deliver the service, nor would it be appropriate for it to do so. There is no competitive domestic market for PIE; UKNNL are the only organisation with the capability and ONR licence to deliver the service, doing so on commercial terms but in a market agnostic manner. It would be technically impossible for any other commercial entity to acquire the same licensing and develop and build the required facilities and specialist assets within any operationally relevant timeframe. The award of a contract to UKNNL through this framework to deliver PIE as a technical managed service on DESNZ’s behalf to third parties would therefore meet the conditions of Paragraph 6 of Schedule 5 of the Procurement Act 2023.\n•\tSpecialist Advisory Services\nThese services shall consist of the provision of advice, guidance, thought leadership and consultancy to DESNZ specifically relating to specialist technical and scientific nuclear matters that align with UKNNL’s uniquely specialist technical, engineering and scientific capabilities in the nuclear sector, including:\n•\tThe nuclear fuel cycle;\n•\tRadionuclide applications;\n•\tPlutonium science;\n•\tAdvanced reactor technologies; and\n•\tNuclear waste management, decommissioning and disposal\nThe services shall be one-off, or a series of connected, deliverables that feed into and inform DESNZ owned projects and workstreams. In delivering these services, UKNNL may be working alongside and/or integrated into DESNZ project teams or outside of DESNZ’s organisation across HMG.\nThese services will require the supplier to have end-to-end nuclear fuel cycle expertise as well as areas of highly niche and specialised expertise including the understanding complex Uranic Materials, Wastes and Residues.\nComplex Uranic Materials, Wastes and Residues\nThe UK owns a stockpile of plutonium that is a legacy of the operation of older Magnox reactors. This stockpile is held in Sellafield, where the vast majority of nuclear waste is held in the UK.\nAdvisory services regarding this topic will require deep knowledge of the characterisation, process development and treatment of complex uranic wastes and residues, including materials containing mixed uranium enrichments. Such advice can therefore only be provided by a supplier with access to active laboratory facilities, nuclear materials expertise, radiochemistry capability, fuel cycle knowledge and process engineering capability.\nUKNNL operates a laboratory at the Sellafield site where it undertakes both analysis of the plutonium stockpile and research into how waste can be handled more effectively/safely. Given the sensitivity regarding the proliferation risks when it comes to handling plutonium, only UKNNL have the permission to handle plutonium in this manner. This gives them unique capability and knowledge of the waste, all of which sits within state ownership. It would be technically impossible for any other commercial entity to secure the relevant permissions and subsequently undertake the development and construction of the specialist facilities required within any operationally relevant timeframe. A contract to UKNNL to provide advisory services to DESNZ on this matter would therefore meet the requirements of Paragraph 6 of Schedule 5 of the Procurement Act 2023.\nFramework limitations\nThe framework is limited to the research and development, technical managed services and specialist advisory services relating to nuclear power generation described in this notice. It does not cover general consultancy that can be supplied through the wider market. 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