As part of M Group, Telent brings technology expertise, designing, building, managing and maintaining critical digital infrastructure across the UK and Ireland. Telent has been awarded a major contract to deliver the site-wide IT and communications infrastructure for Sizewell C, supporting one of the UK’s most significant new nuclear power station projects.
Telent is appointed for its specialist expertise in delivering secure, mission-critical communications systems for complex infrastructure environments, including its proven track record in the nuclear sector. Building on its successful delivery of the site-wide IT and communications solution at Hinkley Point C, Telent will apply an assured and fully compliant design to Sizewell C, helping to reduce delivery risk while supporting safe, resilient and long-term operations.
Telent will be part of a “Quad” of Electrical contracts which include INEO Nuclear, DEF Fire and Chubb Fire & Security and will collaborate to ensure a unified integrated approach to design.
The IT and Telecommunications contract will run from 2026 to 2035 and will see Telent deliver a fully integrated communications ecosystem across the entire Sizewell C site in Suffolk. This will include a data network which carries both corporate and system traffic, cybersecurity architecture, site-wide radio (also used by Fire Service and Civil Nuclear Constabulary) and paging systems, public address and voice alarm systems, emergency communications, telephony (including satellite), and resilient power solutions.
The Sizewell C solution will replicate the proven design delivered by Telent at Hinkley Point C, applying a blueprint that has already been fully designed, assured and approved for use on a UK nuclear power station. By replicating this approach, Telent will enable lessons learned from Hinkley Point C to be applied directly to the Sizewell C programme, supporting greater efficiency, consistency and reliability across delivery.
Security, safety and resilience are central to the programme. Telent’s systems are designed to meet the highest standards of availability and cyber protection, incorporating zero-trust principles, dual-homed data centres and high-availability architectures. Safety Related communications systems including public address and voice alarm, sound-powered telephones and emergency voice communications, will ensure robust site-wide connectivity in all operating conditions.
The award further strengthens Telent’s position as a trusted delivery partner for Critical National Infrastructure and builds on its long-standing relationship with the UK nuclear sector.
As part of M Group, Telent combines expertise in secure communications, digital infrastructure and operational technology with M Group’s wider engineering, infrastructure and technical services capabilities. Together, these capabilities support the full nuclear lifecycle, from new build and commissioning through to operations, life extension and decommissioning, helping to deliver safe, secure and resilient infrastructure for some of the UK’s most critical energy projects.
