FW Services - Operational Technology Framework
Scottish Hydro Electric Transmission Plc (SHET) trading as SSEN Transmission has identified a requirement to establish an OT specific Framework of suppliers to maintain a dedicated pool of suppliers to support the successful delivery of our T3 programme. Details of the programme can be found at Our RIIO-T3 Business Plan - SSEN Transmission
Buyer
Scottish Hydro Electric Power Distribution plc
Value
£3,600,000,000
Published
19 Dec 2025
Closes
19 Dec 2025
Procurement details
Source
Find a Tender
Region
UKM77
Procurement method
Selective
Category
Services
Contract starts
2 Feb 2026
Contract ends
1 Feb 2029
CPV classifications
72000000
IT services: consulting, software development, Internet and support
Lots
Lot 1 Substation OT Prof Services (security assurance in substations, firewalls, common platforms)
£240,000,000
• Design and build of security solutions to be deployed into substation environments, including the infrastructure and services for backup, monitoring, endpoint protection and firewalls. • Design and build of physical security solutions for substation environments, including automated access control systems (AACS), CCTV, and other access control and monitori...
Delivery: UK · United Kingdom
Lot 2 OT Security Services inc. Training & Awareness
£240,000,000
• Training and Awareness – Development of training content to educate users of operational technology about the risks from cyber security threats. • Provide specialised OT Security Consultancy and related services including process development and assurance (IDAM, VM, Change Management), maturity assessment, collation and summary of threat intelligence, test...
Delivery: UK · United Kingdom
Lot 3 OT Infrastructure and Network Services inc. Substations (hardware, networking)
£240,000,000
• Design and build of IT/OT infrastructure to be deployed into data centres and data rooms within offices. Including hardening of servers, software installation, network configuration, physical deployment (racking and wiring). • Design and build supporting applications such as identity services, domain management, key management and backup servers. • Provide...
Delivery: UK · United Kingdom
Lot 4 OT Operations (BAU Support and Development)
£240,000,000
• Provide specialist application support and development for OT Applications including PowerOn, PI to respond to incidents, facilitate configuration changes and deliver updates. • Provide technical assistance for wider OT estate, including Active Directory and firewalls - often required as part of fault diagnosis, technical remediation and/or project resourc...
Delivery: UK · United Kingdom
Lot 5 Data Center Hosting
£240,000,000
• Provide data center hosting in a secure and resilient environment suitable for critical national infrastructure (CNI) (likely to be Tier 3 as a minimum) with proximity to the SSEN Transmission OT network in the north of Scotland and connectivity to public cloud services. • Provide data center hosting to Security Check Level to meet Cabinet Office requireme...
Delivery: UK · United Kingdom
Lot 6 Delivery Services
£240,000,000
• Professional and Consultancy services. • Skillset with Operational Technology (OT) expertise. Roles to include, but not limited to; 1. Business analysis 2. Design development 3. Testing 4. Change management 5. Architecture 6. Project delivery and management 7. Technical design 8. Service design
Delivery: UK · United Kingdom
Documents
Unlock document linkTender notice on Find a Tender
12 May 2025
Tender notice on Find a Tender
Tender notice · UK4 · Web page
Contract award notice on Find a Tender
19 Dec 2025
Contract award notice on Find a Tender
Award notice · UK6 · Web page
Contains public sector information licensed under the Open Government Licence v3.0.