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PROCUREMENT OPPORTUNITY

Strategic Enterprise Modelling Capability Solution

NATIONAL ENERGY SYSTEM OPERATOR LIMITED · Preliminary market engagement notice on Find a Tender

Tender information last checkedLast checked 25 Sept 2026, 11:41.

Opportunity overview

NESO is inviting suppliers to take part in pre-market engagement to help us understand market capability, appetite and enterprise solution options for Strategic Capability for end-to-end Modelling Services. As NESO continues its transformation into an independent public corporation and advances its strategic data and digital capabilities, it is seeking to establish a modern enterprise CNI technical platform that enables the consistent representation, management and governance of data, models, calculations, business concepts and relationships across the organisation. The proposed capability will enable enterprise-wide technical solution for modelling, analytical transparency, decision support and AI-enabled innovation. This technology is aimed at establishing capabilities including but not limited to Energy data ontology and orchestration layer, lineage of source to decision auditability, cross modelling scenario analysis and complex modelling, when needed. It is intended to support the integration of data, context, calculations, scenarios and business knowledge across a range of NESO services, technology platforms and operational domains. NESO operates in a Critical National Infrastructure environment hence there is a need to comply to NESO's Data and Security policy and control postures. NESO is undertaking Preliminary Market Engagement to: • Understand the maturity of currently available market solutions. • Inform the future procurement strategy and requirements. • Explore implementation, transition and operating model options. • Understand commercial models, licensing approaches and contractual considerations. • Assess supplier capability, experience and innovation within this market. • Identify potential risks, dependencies and transition requirements associated with replacement of existing services.   The solution is expected to support outcomes including but not limited to: • Achieve trust and transparency in NESO's advice to stakeholders, customers/industry participants regulators through improved quality of modelling outputs and ability to trace from source to recommendation/ decisions. • Achieve measurable at pace decision making and optimum developer experience through seamless, intuitive and self-serve capabilities. • Enhanced interoperability between NESO's data, analytical and operational platforms. • Achieve standardization, common representation and rigour in NESO's energy modelling and analytics by connecting data, context, calculation and scenarios and demonstrable adherence to Data standards, analytical standards and technical standards aligned to NESO's operational requirements. • Establish modern best-in-class technical capability enabling innovation opportunities and exploit AI • Provision of secure, resilient and highly available services At this stage the contract term is anticipated to be an initial term of 5 years with extension options up to 2 years in 12-month increments however this may change based on the discussions held as part of the Pre Market Engagement Activity to ensure NESO can meet its key and strategic objectives.

Classification

  • CPV48000000 — Software package and information systems
  • CPV72260000 — Software-related services
  • CPV72300000 — Data services

Lots

  • Lot 1Value not stated

Documents and notices

Published notice details

Additional information from the published procurement release. Fields appear only when supplied by the source; check the original notice and tender documents before acting.

Scope, procedure and submissions

Id
ocds-h6vhtk-06ebf4
Main Procurement Category
services
Above Threshold
Yes
Status
planning

Legal basis

Id
2023/54
Scheme
UKPGA

Special regime

utilities

Lots and requirements

Entry 1
Id
1
Has Renewal
Yes
Status
planning

Contract period

Starts
1 Aug 2027, 00:00
Ends
31 Jul 2032, 23:59
Max Extent Date
31 Jul 2034, 23:59

Items and delivery

Item 1
Id
1
Related Lot
1

Additional Classifications

Entry 1
Scheme
CPV
Id
48000000
Description
Software package and information systems
Entry 2
Scheme
CPV
Id
72260000
Description
Software-related services
Entry 3
Scheme
CPV
Id
72300000
Description
Data services

Delivery locations

Entry 1
Region
UKC
Country
GB
Country Name
United Kingdom
Entry 2
Region
UKD
Country
GB
Country Name
United Kingdom
Entry 3
Region
UKE
Country
GB
Country Name
United Kingdom
Entry 4
Region
UKF
Country
GB
Country Name
United Kingdom
Entry 5
Region
UKG
Country
GB
Country Name
United Kingdom
Entry 6
Region
UKH
Country
GB
Country Name
United Kingdom
Entry 7
Region
UKI
Country
GB
Country Name
United Kingdom
Entry 8
Region
UKJ
Country
GB
Country Name
United Kingdom
Entry 9
Region
UKK
Country
GB
Country Name
United Kingdom
Entry 10
Region
UKL
Country
GB
Country Name
United Kingdom
Entry 11
Region
UKM
Country
GB
Country Name
United Kingdom

Planning and budget

Milestones

Entry 1
Id
engagement
Type
engagement
Description
NESO is using this engagement to test our thinking on a Strategic Enterprise Modelling Capability Solution and understand what suppliers could deliver through any future contract. The following engagement process is indicative Correspondence: Interested parties can notify of their interest to NESOProcurement@neso.energy to be registered by the engagement deadline date on NESO's iValua platform to: • Be informed of the engagement process and timeline and any updates. • Access and complete any required questionnaire/documentation which NESO will then collate to develop their understanding of the market and complete their assurance process. • Submission of clarifications, if required . NESO will take appropriate steps to maintain transparency, equal treatment, and fair competition, including sharing relevant information from engagement activity as appropriate via the Ivalua platform. Participation in this engagement does not confer any advantage or disadvantage in future procurement activities. Briefing Session: NESO intends to hold an online briefing session and will issue further information to registered suppliers who have expressed an interest. Suppliers attending will have the opportunity to ask questions. All questions will be collated and shared via the iValua platform. Presentations: NESO may seek presentations and will communicate and liaise with all interested parties should this be required. NESO may decide not to proceed with a procurement, may proceed using a different scope or structure, or may undertake further preliminary market engagement on additional topics before progressing further.
Due
25 Sept 2026, 23:59
Status
scheduled

Documents

Entry 1
Id
081041-2026
Document Type
marketEngagementNotice
Notice Type
UK2
Description
Preliminary market engagement notice on Find a Tender
Published
25 Aug 2026, 18:25
Format
text/html

Buyer, suppliers and contacts

Organisation 1
Name
NATIONAL ENERGY SYSTEM OPERATOR LIMITED
Id
GB-COH-11014226

Identifier

Scheme
GB-COH
Id
11014226

Additional Identifiers

Entry 1
Scheme
GB-PPON
Id
PHQL-5234-MWWV

Address

Street Address
St Catherine's Lodge Bearwood Road
Locality
Wokingham
Postal Code
RG41 5BN
Country
GB
Country Name
United Kingdom
Region
UKJ11

Contact

Roles

buyer

Details

Classifications

Entry 1
Scheme
UK_CA_TYPE
Id
publicUndertaking
Description
Public undertaking

Recorded locations

  • Buyer location · Wokingham · UKJ11 · RG41 5BN · United Kingdom
  • Delivery location · UKC · United Kingdom
  • Delivery location · UKD · United Kingdom
  • Delivery location · UKE · United Kingdom
  • Delivery location · UKF · United Kingdom
  • Delivery location · UKG · United Kingdom
  • Delivery location · UKH · United Kingdom
  • Delivery location · UKI · United Kingdom
  • Delivery location · UKJ · United Kingdom
  • Delivery location · UKK · United Kingdom
  • Delivery location · UKL · United Kingdom
  • Delivery location · UKM · United Kingdom

Notice and amendment history

1 published notice version reviewed by ProcuraAxis.

1 VERSION
  1. 081041-2026Preliminary market engagement notice on Find a Tender ·