--- title: "Technical Consultancy Services" ocid: "ocds-h6vhtk-052235" canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-052235" markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-052235.md" json_url: "https://d3tenders.com/contract/ocds-h6vhtk-052235.json" source: "Find A Tender Service" current_stage: "Planning" buyer: "NATIONAL ENERGY SYSTEM OPERATOR LIMITED" published: "2025-12-12" --- # Technical Consultancy Services Buyer: NATIONAL ENERGY SYSTEM OPERATOR LIMITED Current stage: Planning OCID: ocds-h6vhtk-052235 [View canonical contract page](https://d3tenders.com/contract/?ocid=ocds-h6vhtk-052235) [Download OCDS JSON](https://d3tenders.com/contract/ocds-h6vhtk-052235.json) ## Summary The National Energy System Operator Limited, an independent, public corporation focused on the UK's energy systems, is planning a procurement process for "Technical Consultancy Services." The procurement falls under the services category, particularly energy-efficiency and technical consultancy services, and is located in the United Kingdom. Currently in the planning stage, the procurement process includes preliminary market engagement to inform the final strategy. Expressions of interest must be submitted through an MS form by 8th January 2026. This process signifies the approach towards creating a framework agreement, starting on 1st June 2026, with an estimated gross value of £37,800,000 over a maximum period extending to May 2031. This tender presents a significant opportunity for businesses specialising in technical and energy-efficiency consultancy services, research and development, and analysis services. Companies with expertise in these areas are encouraged to participate in the preliminary engagement to help shape the procurement's scope and strategy, potentially influencing the final framework to their benefit. This not only allows businesses to showcase their capabilities but also offers a strategic avenue to establish long-term relationships with a key player in the UK's energy infrastructure. The opportunity is particularly suited to businesses that can offer innovative, reliable, and commercially viable solutions tailored to the energy sector's needs. ## Notice The National Energy System Operator, NESO, is an independent, public corporation at the centre of the energy system taking a whole system view to create a world where everyone has access to reliable, clean and affordable energy. NESO is conducting preliminary market engagement to help shape our upcoming procurement of Technical Consultancy. Your feedback will help to inform our scope, approach and the commercial strategy. ### Planning Information Objectives of the Engagement 1. Capture the expression of interest from technical consultancy providers who may wish to participate in the upcoming procurement 2. Obtain structured feedback on key aspects of the proposed procurement, including: .Scope and lotting strategy .Delivery models and ways of working .Commercial models and procurement approach Submitting your response would enable us to capture your expression of interest and help ensure the resulting framework is commercial viable, accessible and fit for purpose. Response Instructions All responses (including expression of interest) must be submitted via MS form link https://forms.office.com/e/6SMsr6CgPh by 8th January 2026, 12:00PM (BST). Completion of this form: . Registers your expression of interest . Provides an opportunity to offer feedback Engagement Method All supplier are requested to respond exclusively through the MS form. For any queries or clarifications, please reach out to NESO Procurement team via box.NESOIndirectsProcurement@neso.energy. Please note that we will not be providing any additional information on individual basis to ensure fairness and transparency. Disclaimer This is not a call for competition. Participation does not affect future tendering opportunities. ## Key Details | Field | Value | | --- | --- | | Publication source | Find A Tender Service | | Latest notice | https://www.find-tender.service.gov.uk/Notice/082476-2025 | | Notice type | UK2 - Preliminary Market Engagement Notice | | Procurement type | Framework | | Procurement category | Services | | Procurement method | Not Specified | | Procurement method details | Not specified | | Tender suitability | Not specified | | Awardee scale | Not specified | | All stages | Planning | ## Dates | Field | Value | | --- | --- | | Publication date | 12 Dec 2025 | | Submission deadline | Not specified | | Future notice date | 1 Nov 2025 | | Award date | Not specified | | Contract period | 31 May 2026 - 31 May 2029 | | Recurrence | Not specified | ## Values | Field | Value | | --- | --- | | Tender value | £31,500,000 | | Lots value | Not specified | | Awards value | Not specified | | Contracts value | Not specified | ## Status | Field | Value | | --- | --- | | Tender status | Planned | | Lots status | Planned | | Awards status | Not specified | | Contracts status | Not specified | ## Buyer | Field | Value | | --- | --- | | Main buyer | NATIONAL ENERGY SYSTEM OPERATOR LIMITED | | Locality | WOKINGHAM | | Post town | Reading | | Postcode | RG41 5BN | | Country | England | | ITL 1 | TLJ South East (England) | | ITL 2 | TLJ1 Berkshire, Buckinghamshire and Oxfordshire | | ITL 3 | TLJ16 Berkshire West | | Local authority | Wokingham | | Electoral ward | Winnersh | | Westminster constituency | Wokingham | | Delivery location | Not specified | ## CPV Codes ### Divisions - 71 - Architectural, construction, engineering and inspection services - 73 - Research and development services and related consultancy services ### Codes - 71314300 - Energy-efficiency consultancy services - 71600000 - Technical testing, analysis and consultancy services - 73000000 - Research and development services and related consultancy services ## Release History - 12 Dec 2025 at 13:21 - Planning - UK2 - Preliminary Market Engagement Notice - https://www.find-tender.service.gov.uk/Notice/082476-2025 - 24 Sep 2025 at 10:15 - PlanningUpdate - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/059161-2025 - 23 May 2025 at 11:38 - Planning - UK1 - Pipeline Notice - https://www.find-tender.service.gov.uk/Notice/026226-2025 ## Documents - https://www.find-tender.service.gov.uk/Notice/082476-2025 12th December 2025 - Preliminary market engagement notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/059161-2025 24th September 2025 - Pipeline notice on Find a Tender - https://www.find-tender.service.gov.uk/Notice/026226-2025 23rd May 2025 - Pipeline notice on Find a Tender ## Notice URLs - https://forms.office.com/e/6SMsr6CgPh - https://www.legislation.gov.uk/ukpga/2023/54/contents ## Provenance This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-052235. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-052235.json.