Planning

Technical Consultancy Services

NATIONAL ENERGY SYSTEM OPERATOR LIMITED

This public procurement record has 3 releases in its history.

Planning

12 Dec 2025 at 13:21

UK2 - Preliminary Market Engagement Notice
PlanningUpdate

24 Sep 2025 at 10:15

UK1 - Pipeline Notice
Planning

23 May 2025 at 11:38

UK1 - Pipeline Notice
Summary of the contracting process

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.

How relevant is this notice?

Notice Information

Notice Title

Technical Consultancy Services

Notice Description

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.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-h6vhtk-052235
Publication Source
Find A Tender Service
Latest Notice
https://www.find-tender.service.gov.uk/Notice/082476-2025
Current Stage
Planning
All Stages
Planning

Procurement Classification

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

Common Procurement Vocabulary (CPV)

CPV Divisions

71 - Architectural, construction, engineering and inspection services

73 - Research and development services and related consultancy services

CPV Codes

71314300 - Energy-efficiency consultancy services

71600000 - Technical testing, analysis and consultancy services

73000000 - Research and development services and related consultancy services

Notice Value(s)

Tender Value
£31,500,000 £10M-£100M
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
Not specified

Notice Dates

Publication Date
12 Dec 20252 weeks ago
Submission Deadline
Not specified
Future Notice Date
1 Nov 2025Expired
Award Date
Not specified
Contract Period
31 May 2026 - 31 May 2029 3-4 years
Recurrence
Not specified

Notice Status

Tender Status
Planned
Lots Status
Planned
Awards Status
Not Specified
Contracts Status
Not Specified

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
NATIONAL ENERGY SYSTEM OPERATOR LIMITED
Contact Name
Not specified
Contact Email
box.nesoindirectsprocurement@neso.energy
Contact Phone
Not specified

Buyer Location

Locality
WOKINGHAM
Postcode
RG41 5BN
Post Town
Reading
Country
England
Major Region (ITL 1)
TLJ South East (England)
Basic Region (ITL 2)
TLJ1 Berkshire, Buckinghamshire and Oxfordshire
Small Region (ITL 3)
TLJ16 Berkshire West
Delivery Location
Not specified
Local Authority
Wokingham
Electoral Ward
Winnersh
Westminster Constituency
Wokingham

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

View full OCDS Record for this contracting process

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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. 

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