ALTEN Ltd has partnerships with the key energy manufacturers and distributors in the UK and aims to diversify its portfolio through this sector.

Within the Energy sector, ALTEN Ltd develops and delivers expertise for companies within the areas of energy production, energy storage and power plant design.

The Nuclear and Oil & Gas industries are preparing their technological transformations and changes: study of new models for the EPR reactor (EPR NM), diversification for new energies, and development of synergies with automotive and telecommunications industries.

Our expertise offerings are substantial and reach from construction of nuclear reactors, dismantling of ageing nuclear reactors power plants, technical coordination and project management, and the commissioning of new plants.

Research and design projects are particularly varying, which makes it possible for us to provide services and products in areas such as service and maintenance, designing new equipment, management of programs, and the expansion of cross-functional systems.

ALTEN Added ValueLearn more

Recognised expertise in specialised areas such as new build perimeters, maintenance and upkeep, commissioning and operations of oil-industry infrastructures

Business Areas and ExpertiseLearn more

Business Areas

  • Oil and Gas
  • Nuclear
  • Power Distribution (distribution systems and electricity market)
  • Power Generation
  • Storage of nuclear waste


  • Piping Engineering
  • Steelworks Engineering
  • Contracts Management
  • Technical Coordination
  • Anchorage and Stress
  • Security and Safety
  • Waste Management
  • Plant Design
  • Commissioning & Launch