Tender

Climate Services for a Net Zero Resilient World (CSN0W2)

DEPARTMENT FOR ENERGY SECURITY & NET ZERO

This public procurement record has 5 releases in its history.

TenderUpdate

08 Jan 2026 at 11:17

Tender

18 Dec 2025 at 16:43

PlanningUpdate

30 Sep 2025 at 10:37

Planning

11 Sep 2025 at 15:01

Planning

20 May 2025 at 10:25

Summary of the contracting process

The Department for Energy Security & Net Zero (DESNZ), located in London, has initiated an active procurement process titled "Climate Services for a Net Zero Resilient World (CSN0W2)". This process, classified under research and climatology services, seeks to integrate climate mitigation and adaptation strategies to enhance resilience and de-risk net zero objectives. The tender process, announced on 18th December 2025, is conducted via an open procedure, and submissions are accepted until 12th February 2026. The contract, valued at £5,900,000, aims to commence on 1st April 2026 and conclude on 31st March 2030. Key dates also include the 16th January 2026 for final supplier questions, highlighting timely engagement for interested parties.

This tender provides substantial opportunities for businesses with expertise in climate risk assessment, particularly those specialising in multi-disciplinary approaches across climate science, the built environment, energy adaptation, economics, and social sciences. Suitable for SMEs and voluntary, community, and social enterprise (VCSE) entities, this opportunity encourages a consortium approach to meet the extensive expertise requirements. With a focus on delivering comprehensive research outputs, such as reports, briefings, workshops, and policy advice, businesses can significantly contribute to and benefit from shaping future climate resilience frameworks. Participation is enabled through the Jaggaer eSourcing Portal, offering an accessible platform for diverse suppliers to engage in the procurement process and seize growth opportunities within the public sector.

Find more tenders on our Open Data Platform.
How relevant is this notice?

D3 Tenders Premium

Win More Public Sector Contracts

AI-powered tender discovery, pipeline management, and market intelligence — everything you need to grow your public sector business.

Notice Title

Climate Services for a Net Zero Resilient World (CSN0W2)

Notice 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 research on: Metrics and thresholds to measure and monitor UK climate resilience . Assessing the climate resilience of UK mitigation policies and pathways, and levers and barriers to implementing resilience measures. Cascading hazards and system linkages (with a focus on the UK built environment) . Modelling global mitigation and business-as-usual pathways to better understand the benefits, costs, and risks of action to reduce warming to 1.5degC or below after exceeding it as well as the impacts that are avoided and the consequences of inaction. The programme will take a whole-system approach to climate resilience and energy security, considering cross-sectoral and cross-border climate impacts on the energy and net zero system. A knowledge integration work package will provide agile policy support. The programme will require expertise in assessing climate risk through a mixed-method and multi-disciplinary approach, across climate science, built environment and energy adaptation, economics and social science. Methods could include evidence syntheses and literature reviews, data analysis and scenario development, knowledge integration and dissemination. DESNZ anticipates a consortium of suppliers will be needed to cover the breadth of expertise required. Outputs are likely to include reports, on-call advice and briefings, seminars and teach-ins, workshops, and scientific support. The research will be co-designed with policy focal points to inform specific policy areas and will have built-in flexibility to respond to emerging policy needs.

Planning Information

There will be a Supplier Engagement Call on Thursday 9th October 2025 from 10am-1pm GMT. If you are interested in this potential opportunity, please complete the MS Form with your company details. Link for sign-up form: https://forms.office.com/pages/responsepage.aspx?id=BXCsy8EC60O0l-ZJLRst2OcIDShz-PJHqOHDd77o_aBUM1pHV0dGQ1FHRkdRTjZGUlAyNzZDNjBTOS4u&route=shorturl Following confirmation of company details and contact information, an ‘MS Teams’ invite will be circulated for the market engagement event on the week of the event. We would ask that you have a maximum of 2 attendees from each organisation. Participants will need to register by 4pm GMT on Wednesday 8th October 2025. Please send any clarification questions or queries to   internationalclimateandenergy.procurement@energysecurity.gov.uk by 4pm GMT on Friday 24th October 2025.

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-05185c
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/001378-2026
Current Stage
Tender
All Stages
Planning, Tender

Procurement Classification

Notice Type
UK4 - Tender Notice
Procurement Type
Standard
Procurement Category
Services
Procurement Method
Open
Procurement Method Details
Open procedure
Tender Suitability
SME, VCSE
Awardee Scale
Not specified

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

73 - Research and development services and related consultancy services


CPV Codes

71351611 - Climatology services

73110000 - Research services

Notice Value(s)

Tender Value
£5,900,000 £1M-£10M
Lots Value
£5,900,000 £1M-£10M
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
8 Jan 20261 months ago
Submission Deadline
12 Feb 2026Expired
Future Notice Date
10 Nov 2025Expired
Award Date
Not specified
Contract Period
31 Mar 2026 - 31 Mar 2030 4-5 years
Recurrence
Not specified

Notice Status

Tender Status
Active
Lots Status
Active
Awards Status
Not Specified
Contracts Status
Not Specified

Contracting Authority (Buyer)

Main Buyer
DEPARTMENT FOR ENERGY SECURITY & NET ZERO
Contact Name
Not specified
Contact Email
internationalclimateandenergy.procurement@energysecurity.gov.uk
Contact Phone
Not specified

Buyer Location

Locality
LONDON
Postcode
SW1A 2HP
Post Town
South West London
Country
England

Major Region (ITL 1)
TLI London
Basic Region (ITL 2)
TLI3 Inner London - West
Small Region (ITL 3)
TLI35 Westminster and City of London
Delivery Location
Not specified

Local Authority
Westminster
Electoral Ward
St James's
Westminster Constituency
Cities of London and Westminster

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

Download

The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

{
    "tag": [
        "compiled"
    ],
    "id": "ocds-h6vhtk-05185c-2026-01-08T11:17:19Z",
    "date": "2026-01-08T11:17:19Z",
    "ocid": "ocds-h6vhtk-05185c",
    "initiationType": "tender",
    "planning": {
        "documents": [
            {
                "id": "023112-2025",
                "documentType": "plannedProcurementNotice",
                "noticeType": "UK1",
                "description": "Pipeline notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/023112-2025",
                "datePublished": "2025-05-20T11:25:51+01:00",
                "format": "text/html"
            },
            {
                "id": "055918-2025",
                "documentType": "marketEngagementNotice",
                "noticeType": "UK2",
                "description": "Preliminary market engagement notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/055918-2025",
                "datePublished": "2025-09-11T16:01:49+01:00",
                "format": "text/html"
            },
            {
                "id": "060809-2025",
                "documentType": "marketEngagementNotice",
                "noticeType": "UK2",
                "description": "Preliminary market engagement notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/060809-2025",
                "datePublished": "2025-09-30T11:37:57+01:00",
                "format": "text/html"
            }
        ],
        "milestones": [
            {
                "id": "engagement",
                "type": "engagement",
                "description": "There will be a Supplier Engagement Call on Thursday 9th October 2025 from 10am-1pm GMT. If you are interested in this potential opportunity, please complete the MS Form with your company details. Link for sign-up form: https://forms.office.com/pages/responsepage.aspx?id=BXCsy8EC60O0l-ZJLRst2OcIDShz-PJHqOHDd77o_aBUM1pHV0dGQ1FHRkdRTjZGUlAyNzZDNjBTOS4u&route=shorturl Following confirmation of company details and contact information, an 'MS Teams' invite will be circulated for the market engagement event on the week of the event. We would ask that you have a maximum of 2 attendees from each organisation. Participants will need to register by 4pm GMT on Wednesday 8th October 2025. Please send any clarification questions or queries to internationalclimateandenergy.procurement@energysecurity.gov.uk by 4pm GMT on Friday 24th October 2025.",
                "dueDate": "2025-10-24T23:59:59+01:00",
                "status": "scheduled"
            }
        ]
    },
    "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": "internationalclimateandenergy.procurement@energysecurity.gov.uk"
            },
            "roles": [
                "buyer"
            ],
            "details": {
                "classifications": [
                    {
                        "id": "publicAuthorityCentralGovernment",
                        "scheme": "UK_CA_TYPE",
                        "description": "Public authority - central government"
                    }
                ]
            }
        }
    ],
    "buyer": {
        "id": "GB-PPON-PDHQ-2163-WYMH",
        "name": "Department for Energy Security & Net Zero"
    },
    "tender": {
        "id": "prj_5034",
        "legalBasis": {
            "id": "2023/54",
            "scheme": "UKPGA",
            "uri": "https://www.legislation.gov.uk/ukpga/2023/54/contents"
        },
        "title": "Climate Services for a Net Zero Resilient World (CSN0W2)",
        "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 research on: Metrics and thresholds to measure and monitor UK climate resilience . Assessing the climate resilience of UK mitigation policies and pathways, and levers and barriers to implementing resilience measures. Cascading hazards and system linkages (with a focus on the UK built environment) . Modelling global mitigation and business-as-usual pathways to better understand the benefits, costs, and risks of action to reduce warming to 1.5degC or below after exceeding it as well as the impacts that are avoided and the consequences of inaction. The programme will take a whole-system approach to climate resilience and energy security, considering cross-sectoral and cross-border climate impacts on the energy and net zero system. A knowledge integration work package will provide agile policy support. The programme will require expertise in assessing climate risk through a mixed-method and multi-disciplinary approach, across climate science, built environment and energy adaptation, economics and social science. Methods could include evidence syntheses and literature reviews, data analysis and scenario development, knowledge integration and dissemination. DESNZ anticipates a consortium of suppliers will be needed to cover the breadth of expertise required. Outputs are likely to include reports, on-call advice and briefings, seminars and teach-ins, workshops, and scientific support. The research will be co-designed with policy focal points to inform specific policy areas and will have built-in flexibility to respond to emerging policy needs.",
        "items": [
            {
                "id": "1",
                "additionalClassifications": [
                    {
                        "scheme": "CPV",
                        "id": "73110000",
                        "description": "Research services"
                    },
                    {
                        "scheme": "CPV",
                        "id": "71351611",
                        "description": "Climatology services"
                    }
                ],
                "relatedLot": "1",
                "deliveryAddresses": [
                    {
                        "region": "UK",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    },
                    {
                        "region": "UK",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    },
                    {
                        "region": "UK",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    },
                    {
                        "region": "UK",
                        "country": "GB",
                        "countryName": "United Kingdom"
                    }
                ]
            }
        ],
        "value": {
            "amountGross": 7080000,
            "amount": 5900000,
            "currency": "GBP"
        },
        "mainProcurementCategory": "services",
        "aboveThreshold": true,
        "lots": [
            {
                "id": "1",
                "suitability": {
                    "sme": true,
                    "vcse": true
                },
                "contractPeriod": {
                    "startDate": "2026-04-01T00:00:00+01:00",
                    "endDate": "2030-03-31T23:59:59+01:00"
                },
                "status": "active",
                "value": {
                    "amountGross": 7080000,
                    "amount": 5900000,
                    "currency": "GBP"
                },
                "awardCriteria": {
                    "weightingDescription": "The award criteria will be based on the most advantageous tender (MAT) using a Price per Quality Point (PQP) model, which assesses the quantitative relationship between the Supplier's quality score and price. For specific weightings of each Criterion please refer to the ITT document.",
                    "criteria": [
                        {
                            "type": "quality",
                            "name": "Understanding of the Requirement"
                        },
                        {
                            "type": "quality",
                            "name": "Methodology and Approach"
                        },
                        {
                            "type": "quality",
                            "name": "Skills, Resource and Expertise"
                        },
                        {
                            "type": "quality",
                            "name": "Project plan, management and risk"
                        },
                        {
                            "type": "quality",
                            "name": "Knowledge Transfer, Dissemination & Upskilling"
                        },
                        {
                            "type": "quality",
                            "name": "Cost Control"
                        },
                        {
                            "type": "quality",
                            "name": "Social Value"
                        },
                        {
                            "type": "price",
                            "name": "Price"
                        },
                        {
                            "type": "quality",
                            "name": "Understanding of the Requirement"
                        },
                        {
                            "type": "quality",
                            "name": "Methodology and Approach"
                        },
                        {
                            "type": "quality",
                            "name": "Skills, Resource and Expertise"
                        },
                        {
                            "type": "quality",
                            "name": "Project plan, management and risk"
                        },
                        {
                            "type": "quality",
                            "name": "Knowledge Transfer, Dissemination & Upskilling"
                        },
                        {
                            "type": "quality",
                            "name": "Cost Control"
                        },
                        {
                            "type": "quality",
                            "name": "Social Value"
                        },
                        {
                            "type": "price",
                            "name": "Price"
                        }
                    ]
                }
            }
        ],
        "communication": {
            "futureNoticeDate": "2025-11-10T23:59:59+00:00"
        },
        "status": "active",
        "procurementMethod": "open",
        "procurementMethodDetails": "Open procedure",
        "submissionMethodDetails": "All Responses and questions must be submitted via the Jaggaer eSourcing Portal. How to Apply DESNZ will be using the Jaggaer eSourcing Portal for this procurement. To register on the Jaggaer eSourcing portal please use the link https://beisgroup.ukp.app.jaggaer.com/ and follow the instructions to register as a supplier. If you are already registered on the Jaggaer eSourcing Portal and wish to participate in this procurement, please use the link: https://beisgroup.ukp.app.jaggaer.com/. Once you are logged into the system you will be able to locate the Procurement you wish to leave a bid on by clicking the ITTs Open to All Suppliers and searching for the Jaggaer ITT reference number ITT_2435",
        "submissionTerms": {
            "electronicSubmissionPolicy": "allowed",
            "languages": [
                "en"
            ]
        },
        "tenderPeriod": {
            "endDate": "2026-02-12T16:00:00+00:00"
        },
        "enquiryPeriod": {
            "endDate": "2026-01-16T17:00:00+00:00"
        },
        "awardPeriod": {
            "endDate": "2026-03-13T23:59:59+00:00"
        },
        "documents": [
            {
                "id": "conflictOfInterest",
                "documentType": "conflictOfInterest",
                "description": "Not published"
            },
            {
                "id": "084610-2025",
                "documentType": "tenderNotice",
                "noticeType": "UK4",
                "description": "Tender notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/084610-2025",
                "datePublished": "2025-12-18T16:43:35Z",
                "format": "text/html"
            },
            {
                "id": "001378-2026",
                "documentType": "tenderNotice",
                "noticeType": "UK4",
                "description": "Tender notice on Find a Tender",
                "url": "https://www.find-tender.service.gov.uk/Notice/001378-2026",
                "datePublished": "2026-01-08T11:17:19Z",
                "format": "text/html"
            }
        ],
        "amendments": [
            {
                "id": "001378-2026",
                "description": "The deadline for suppliers to submit clarification questions via the Portal has been extended to 17:00 on Friday, 16 January 2026. The deadline for the Authority's responses to these questions has been extended to Friday, 23 January 2026. These revised dates are reflected in Version 2 of the Invitation to Tender (prj_5034-Invitation to Tender V2.0), now available on the Portal. No other amendments have been made. Additional wording relating to inflation has been included on page 43 of Appendix B - Specification. No other amendments have been made. The updated document is available as prj_5034-ITT-Appendix B-Specification V2.0."
            }
        ]
    },
    "language": "en"
}