Notice Information
Notice Title
Technical Consultancy Framework
Notice Description
Technical Consultancy Framework shall be a multi-lot framework. Works shall be awarded in line Framework Call-Off Procedure. The framework shall consist of 5 lots covering numerous disciplines: - Engineering & Technical Analysis, - Modelling, Simulation & Analytics, - Strategic Technical Consultancy, - Technical Assurance, Safety & Quality, - Market Modelling Design & Economics. Once established works under the framework shall be awarded via a combination of competitive allocation and direct allocation.
Lot Information
Engineering & Technical Analysis
Provision advice and consulting services across various energy types in relation to engineering and technical analysis advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to: * Asset assessment, Asset lifecycle modelling, CAPEX optimisation / investment planning & Criticality frameworks and maintenance strategy * Root-cause analysis * Risk analysis * Unit cost analysis and data * Engineering technical support & Network resilience * Problem resolution * Power system engineering analysis * Gas network hydraulic analysis * Energy Transition (Multi Energy & Net Zero)
Renewal: 1 + 1 + 1 + 1 extension provision
Modelling, Simulation & AnalyticsProvision advice and consulting services in relation to the strategy formation of Modelling, Simulation & Analytics including, discovery, envisage and design stages of advice relevant to NESO specific requirements. Consultancy and advice in this area may include, but not limited to, consultancy relating to the following topics: * Power system modelling * Scenario analysis * Network & demand forecasting & planning support * Digital simulations * Nodal Plexos (or equivalent) modelling * Integrated energy system planning * Flexibility & Future System Modelling * Climate and Resilience analysis and modelling * Energy transition analysis and modelling * Decarbonisation modelling Please note; Lot 2 does not include the procurement of data models or the provision of software and services packages. Projects which require end to end solutions from strategy, discovery design & implementation will be procured via alternative routes to market.
Renewal: 1 + 1 + 1 + 1 extension provision
Strategic Technical ConsultancyProvision advice and consulting services in relation to Strategic Technical Consultancy advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to: * Whole-system strategy * Market analysis * Technical advisory * Infrastructure and Operational optimisation * Net Zero & Energy Transition Strategy * Resilience strategy (National energy resilience planning & Security of supply strategy)
Renewal: 1 + 1 + 1 + 1 extension provision
Technical Assurance - Safety, Quality & ComplianceProvision advice and consulting services in relation to Environmental, Safety & Compliance advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to: * Safety engineering * Quality management * Risk assessments and risk assessment methodologies * Technical policy review & drafting * Stakeholder & Policy Interface and alignment * Advisory Climate & Sustainability * Socio-economic Impact & Consumers analysis
Renewal: 1 + 1 + 1 + 1 extension provision
Market Design & Economics & RegulationProvision advice and consulting services in relation to Market Design & Economics & Regulation advice relevant to NESO specific requirements. Types of services required in this lot includes but is not limited to: * Investment Mechanisms * Market design including wholesale Balancing and ancillary markets * Economics regulatory design * Cost of Capital Analysis * Microeconomics & Econometrics * Auction design * Cost-benefit analysis * Reliability mechanisms
Renewal: 1 + 1 + 1 + 1 extension provision
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/071979-2026
- Current Stage
- Tender
- All Stages
- Planning, Tender
Procurement Classification
- Notice Type
- UK4 - Tender Notice
- Procurement Type
- Framework
- Procurement Category
- Services
- Procurement Method
- Selective
- Procurement Method Details
- Competitive flexible procedure
- Tender Suitability
- SME
- Awardee Scale
- Not specified
Common Procurement Vocabulary (CPV)
- CPV Divisions
71 - Architectural, construction, engineering and inspection services
-
- CPV Codes
71621000 - Technical analysis or consultancy services
Notice Value(s)
- Tender Value
- £60,500,000 £10M-£100M
- Lots Value
- £60,500,000 £10M-£100M
- Awards Value
- Not specified
- Contracts Value
- Not specified
Notice Dates
- Publication Date
- 30 Jul 20261 weeks ago
- Submission Deadline
- Not specified
- Future Notice Date
- 1 Nov 2025Expired
- Award Date
- Not specified
- Contract Period
- 4 Jan 2027 - 3 Jan 2031 4-5 years
- Recurrence
- Not specified
Notice Status
- Tender Status
- Active
- Lots Status
- Active
- Awards Status
- Not Specified
- Contracts Status
- Not Specified
Buyer & Supplier
Contracting Authority (Buyer)
- Main Buyer
- NATIONAL ENERGY SYSTEM OPERATOR LIMITED
- Contact Name
- Available with D3 Tenders Premium →
- Contact Email
- Available with D3 Tenders Premium →
- Contact Phone
- Available with D3 Tenders Premium →
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
-
https://www.find-tender.service.gov.uk/Notice/071979-2026
30th July 2026 - Tender notice on Find a Tender -
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
Open Contracting Data Standard (OCDS)
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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