{ "uri": "https://www.contractsfinder.service.gov.uk/Published/Notice/releases/8367563e-a9cd-4ab7-8e79-97a0a9ccd4d3.json", "publishedDate": "2026-05-28T15:05:02+01:00", "publisher": { "name": "Cabinet Office", "scheme": "GB-GOR", "uid": "D2", "uri": "https://www.gov.uk/government/organisations/cabinet-office" }, "version": "1.1", "extensions": [ "https://standard.open-contracting.org/profiles/eu/master/en/extension.json", "https://raw.githubusercontent.com/portaledcahn/ocds_tenderDatePublished_extension/master/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_budget_breakdown_extension/master/extension.json", "https://raw.githubusercontent.com/Crown-Commercial-Service/ocds_awards_datePublished_extension/main/extension.json", "https://raw.githubusercontent.com/Crown-Commercial-Service/ocds_partyDetails_vcse_extension/main/extension.json", "https://raw.githubusercontent.com/Crown-Commercial-Service/ocds_tender_suitability_extension/main/extension.json", "https://raw.githubusercontent.com/open-contracting-extensions/ocds_pagination_extension/master/extension.json" ], "license": "http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/", "publicationPolicy": "https://www.gov.uk/government/publications/open-contracting", "releases": [ { "ocid": "ocds-b5fd17-34c7878e-6413-4230-9ac0-6a97ad3c05ac", "id": "8367563e-a9cd-4ab7-8e79-97a0a9ccd4d3-899517", "language": "en", "date": "2026-05-28T15:05:02+01:00", "tag": [ "award" ], "initiationType": "tender", "tender": { "id": "tender_515163/1575773", "title": "Great British Energy Technical Due Diligence Advisors 2026-2029", "description": "Great British Energy is sourcing Suppliers to deliver its technical due diligence requirements for the next three years on those projects GBE intends to investigate further for potential investment, funding and or Partnership with. \r\n\r\nThree contracts were awarded under this contract for Supplier A (WSP), Supplier B (Buro Happold) and Supplier C (AtkinsRealis). Tiered contracts were placed in order to manage any conflict of interest of resourcing issues which Suppliers may have which may prevent them undertaking a commission.\r\n\r\nThe GBE due diligence programme includes Technical due diligence as well as Commercial Financial and Management due diligence. The programme is £10m ex VAT in total. Each of these contracts has a contract value of up to £10m, but will each share a proportion of the programme budget as required.\r\n\r\nThis was procured through the Department for Energy Security and Net Zero's Energy and Net Zero Professional Services Framework (\"ENZPS Framework\") Lot 2 and SD1 Policy and Strategy and SD 3 Energy Design and Delivery.\r\n\r\nAdditional information: \r\nRedacted contracts", "status": "complete", "classification": { "scheme": "CPV", "id": "71313000", "description": "Environmental engineering consultancy services" }, "additionalClassifications": [ { "scheme": "CPV", "id": "71314000", "description": "Energy and related services" } ], "items": [ { "id": "1", "deliveryAddresses": [ { "postalCode": "AB10 1BJ" }, { "countryName": "British Oversea Territories" }, { "countryName": "Channel Islands" }, { "countryName": "Europe" }, { "countryName": "Isle of Man" }, { "countryName": "Rest of the World" }, { "countryName": "United Kingdom" } ] } ], "value": { "amount": 10000000, "currency": "GBP" }, "procurementMethod": "selective", "procurementMethodDetails": "Call-off from a framework agreement", "tenderPeriod": { "endDate": "2026-02-27T13:05:00Z" }, "contractPeriod": { "startDate": "2026-05-01T00:00:00+01:00", "endDate": "2029-04-30T23:59:59+01:00" }, "suitability": { "sme": false, "vcse": false }, "mainProcurementCategory": "services" }, "parties": [ { "id": "GB-CFS-331798", "name": "Great British Energy", "identifier": { "legalName": "Great British Energy" }, "address": { "streetAddress": "Great British Energy, AB1 Building Crimon Place", "locality": "Aberdeen", "postalCode": "AB10 1BJ", "countryName": "Scotland" }, "contactPoint": { "email": "matthew.bird@energysecurity.gov.uk" }, "details": { "url": "https://www.gbe.gov.uk/" }, "roles": [ "buyer" ] }, { "id": "GB-COH-01383511", "name": "WSP UK Limited", "identifier": { "legalName": "WSP UK Limited", "scheme": "GB-COH", "id": "01383511" }, "address": { "streetAddress": "WSP House, 70 Chancery Lane, London, WC2A 1AF" }, "details": { "scale": "large", "vcse": false }, "roles": [ "supplier" ] }, { "id": "GB-COH-02049511", "name": "Buro Happold Ltd", "identifier": { "legalName": "Buro Happold Ltd", "scheme": "GB-COH", "id": "02049511" }, "address": { "streetAddress": "Pinesgate, Lower Bristol Road, Bath BA2 3DP" }, "details": { "scale": "large", "vcse": false }, "roles": [ "supplier" ] }, { "id": "GB-COH-00688424", "name": "AtkinsRéalis UK Limited", "identifier": { "legalName": "AtkinsRéalis UK Limited", "scheme": "GB-COH", "id": "00688424" }, "address": { "streetAddress": "Woodcote Grove, Ashley Road, Epsom, Surrey, KT18 5BW" }, "details": { "scale": "large", "vcse": false }, "roles": [ "supplier" ] } ], "buyer": { "id": "GB-CFS-331798", "name": "Great British Energy" }, "awards": [ { "id": "ocds-b5fd17-34c7878e-6413-4230-9ac0-6a97ad3c05ac-1", "status": "active", "date": "2026-05-01T00:00:00+01:00", "datePublished": "2026-05-28T15:05:02+01:00", "value": { "amount": 10000000, "currency": "GBP" }, "suppliers": [ { "id": "GB-COH-01383511", "name": "WSP UK Limited" }, { "id": "GB-COH-02049511", "name": "Buro Happold Ltd" }, { "id": "GB-COH-00688424", "name": "AtkinsRéalis UK Limited" } ], "contractPeriod": { "startDate": "2026-05-01T00:00:00+01:00", "endDate": "2029-04-30T23:59:59+01:00" }, "documents": [ { "id": "1", "documentType": "awardNotice", "description": "Awarded contract notice on Contracts Finder", "url": "https://www.contractsfinder.service.gov.uk/Notice/8367563e-a9cd-4ab7-8e79-97a0a9ccd4d3", "datePublished": "2026-05-28T15:05:02+01:00", "format": "text/html", "language": "en" }, { "id": "2", "description": "prj_6376-Supplier A Contract - REDACTED", "url": "https://www.contractsfinder.service.gov.uk/Notice/Attachment/2102a3e7-53f5-4676-a343-ee43d6e72f7f", "format": "application/pdf" }, { "id": "3", "description": "prj_6376-Supplier B Contract - REDACTED", "url": "https://www.contractsfinder.service.gov.uk/Notice/Attachment/5113a616-9c4e-4b76-9c4d-a220c6a71263", "format": "application/pdf" }, { "id": "4", "description": "prj_6376-Supplier C Contract - REDACTED", "url": "https://www.contractsfinder.service.gov.uk/Notice/Attachment/191266ce-804a-4ee9-8567-c915b74cfa0a", "format": "application/pdf" } ] } ] } ] }