Contract award · 19 Feb 2026

Waste Packaging & Encapsulation Plant Distributed Control System

Sellafield Limited awarded “Waste Packaging & Encapsulation Plant Distributed Control System” to Actemium UK Ltd for £5.9m on 19 Feb 2026.

Security, fire & defence equipmentNorth West

Value £5.9m
WinnerActemium UK Ltd

Open competition

Open procedure: the contract was advertised and any supplier could submit a bid.

Key facts

Buyer
Sellafield Limited · Nuclear
Value
£5,900,000
Procedure
Open procedure
Sector
Security, fire & defence equipment · Command, control, communication and computer systems (CPV 35710000)
Timeline
  1. Contract date19 Feb 2026
  2. Published6 Mar 2026Published 15 days after the contract date

Description

The Waste Packaging and Encapsulation Plant (WPEP) is a two-line process plant designed for encapsulating Flocculant (FLOC) arisings from the Enhanced Actinide Removal Plant (EARP) process, waste from the Segregated Effluent Treatment Plant (SETP) and the Effluent Plant Maintenance Facility (EPMF). The waste is encapsulated in stainless steel drums within a cement mix. Filled drums are lidded, and then monitored before being stored, initially in the WPEP Store, before being exported for longer term storage in the Encapsulated Product Stores.<br/><br/>The WPEP Distributed Control System (DCS) project replaces the existing system with a replacement control system based on modern technologies, whilst applying relevant Sellafield standards, guides and procedures.<br/><br/>The project will:<br/><br/>• Replace the existing DCS hardware, system software and configuration with a modern control system ensuring that the plant continues to function in the same manner.<br/>• Incorporate the curre…

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