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BUYING ORGANISATION

NATIONAL ENERGY SYSTEM OPERATOR LIMITED

Published procurement activity · 44 tenders

ORGANISATION DETAILS

NATIONAL ENERGY SYSTEM OPERATOR LIMITED

Buyer information published with procurement notices.

Published identifier
GB-COH 11014226
Address
Wokingham, UKJ11, RG41 5BN, United Kingdom
First notice
13 Jan 2025
Latest notice
15 Oct 2026
Contracts FinderFind a Tender
All tenders44£500.7mCombined published value
Open2£89.5mCombined published value
Closed0—No published tender values
Awarded19£66.8mCombined published value
Cancelled0—No published tender values
ISSUED TENDERS

19 tenders

All · 44Open · 2Closed · 0Awarded · 19Cancelled · 0

NESO Coach Services Tender

NATIONAL ENERGY SYSTEM OPERATOR LIMITED · UKJ11

NESO is seeking a single provider of a fully managed coach service, including electrical vehicles, drivers, maintenance, cleaning, and garaging, to operate employee shuttle buses between train station(s) and office(s). The initial term would be 3 years (+1+1 possible extension). Total contract value including VAT: £2.2m Total co

Sources Find a TenderPublished 2 Oct 2026Reference 093357-2026
£1.8mProposed award value · excl. VAT£2.2m incl. VAT

HPE CNI Support & Professional Services

NATIONAL ENERGY SYSTEM OPERATOR LIMITED · UKJ11

National Energy System Operator Limited (NESO) intends to award an interim contract to Hewlett-Packard Limited (HPE) for the provision of support, maintenance and associated Professional Services for existing HPE infrastructure supporting NESO's Critical National Infrastructure (CNI). The requirement covers four existing HPE inf

Sources Find a TenderPublished 1 Oct 2026Reference 096106-2026
£2.2mProposed award value · excl. VAT£2.6m incl. VAT

Value Added Reseller Services - Microsoft Azure

NATIONAL ENERGY SYSTEM OPERATOR LIMITED · WOKINGHAM

National Energy System Operator (NESO) has awarded a call-off contract to Softcat under Lot 3 of Technology Products & Associated Services 2 (RM6098) for reselling services for the provision of Microsoft Azure.

Sources Contracts FinderPublished 30 Sept 2026Closes 1 Aug 2026Reference 18a92ffe-c452-40da-bf3b-a1b856b83d6d-915948Sector 72260000 — Software-related services
£14mEstimated value

NESO Interim Capability

NATIONAL ENERGY SYSTEM OPERATOR LIMITED · UKJ11

National Energy System Operation (NESO), has awarded an interim capability agreement to Palantir Technologies UK Limited (Palantir) for continued licencing and support for Connections and Skip Rate related activities. A redacted copy of the signed contract will be made available within 90 days of signature.

Sources Find a TenderPublished 26 Aug 2026Reference 094458-2026
£16.8mContract value · excl. VAT£20.1m incl. VAT

ECP & OPDE Maintenance Support

NATIONAL ENERGY SYSTEM OPERATOR LIMITED · UKJ11

Provision of ongoing maintenance and application operation support services for NESO's European Energy Communication Platform (ECP) and Operational Planning Data Environment (OPDE) applications. These business-critical applications enable secure communication and the exchange of operational planning data between NESO, European T

Sources Find a TenderPublished 26 Aug 2026Reference 081522-2026
£1.3mAward value · excl. VAT£1.6m incl. VAT

DSI Phase 2

NATIONAL ENERGY SYSTEM OPERATOR LIMITED · UKJ11

The Data Sharing Infrastructure (DSI) is a socio-technical solution that makes it easier for the energy sector to share data and models in a scalable, secure, and resilient way by bringing together common processes, governance, and technology. NESO has been appointed as the Interim DSI Coordinator for this activity. This is a co

Sources Find a TenderPublished 12 Aug 2026Reference 094052-2026
£540kContract value · excl. VAT£648k incl. VAT

Lead Legal Services Provider for Project Echo

NATIONAL ENERGY SYSTEM OPERATOR LIMITED · UKJ11

The National Energy System Operator ("NESO") is running a mini-competition under the NESO Legal Framework Agreement to appoint a Lead Legal Services Provider to support Project Echo. There is a range of legal expertise required for Project Echo including property law, planning law, commercial law, contract law, procurement law,

Sources Find a TenderPublished 31 Jul 2026Reference 072681-2026
£2.2mContract value · excl. VAT£2.6m incl. VAT

Salesforce Platform Licensing and Support Services

NATIONAL ENERGY SYSTEM OPERATOR LIMITED · UKJ11

Provision of Salesforce Platform licensing, associated SaaS platform services, and support arrangements required to support NESO's customer-facing and operational activities, including Connections and Market Registration services. The contract will ensure continuity of service following TSA exit arrangements and includes the ren

Sources Find a TenderPublished 26 Jun 2026Reference 060344-2026
Multiple contractsSee individual contracts in details

NESO Surveyor Agency RFP

NATIONAL ENERGY SYSTEM OPERATOR LIMITED · UKJ11

NESO will engage a single surveyor to support multiple property acquisitions throughout the next 5 years (3+1+1) , including a corporate headquarters, an operational facility, and up to eight regional offices across the UK (including Glasgow and Cardiff). In addition, the appointed agent will also provide ongoing estate sup

Sources Find a TenderPublished 18 Jun 2026Reference 057760-2026
£2.5mContract value · excl. VAT£3m incl. VAT

Microsoft Enterprise and On-Premise Infrastructure Licensing Agreement

NATIONAL ENERGY SYSTEM OPERATOR LIMITED · UKJ11

Provision of Microsoft Enterprise and on-premise infrastructure licences, including associated software subscriptions and reseller services, to support NESO's core business operations and transition from the existing TSA arrangement.

Sources Find a TenderPublished 8 Jun 2026Reference 053722-2026Sector 48000000 — Software package and information systems
£11.8mContract value

Organisation details and tender classifications reflect information published by the original procurement sources. Similar buyer names are grouped only where an official identifier or compatible name and postcode provide a safe link.