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We offer tailored solutions to nuclear power plants and other nuclear facilities from the beginning of the operation to final decommissioning, such as equipment supply, maintenance, repair activities or waste treatment.


idiAdvanced Technology Center

We have an Advanced Technology Center with accredited laboratories for metrology requirements and material testing. We also offer our automation capabilities and innovative manufacturing processes.


caskFuel Management

We offer an integral spent fuel storage and transport service. We have wide and proven experience in this field. We also design racks and containers.


Companies of the Future Program: CINC (Cluster of the Nuclear Industry of Cantabria)

“Popular TV” broadcasted a program dedicated to the CINC (Cluster of the Nuclear Industry of [...]

On July 9 starts a new edition of “Nuclear Engineering” course, organized by CINC and Nuclear Forum UC-Empresa

Among others, companies that participate are Ensa, Enwesa, Enresa, Nuclenor, CTC and Jóvenes Nucleares, Maliaño, [...]

Water tanks to quench the thirst of ITER

Maliaño, 4th of July 2018.- Equipos Nucleares S.A., S.M.E (Ensa) Four more water detritiation tanks have been delivered [...]


  • Continuous Improvement Plan
  • Research and Development
  • Human Performance
  • Health and Safety
  • Permanent Technological Innovation


ENWESA is a company specialized in the maintenance and installation of mechanical and communication systems, with ample experience in nuclear services to the power generation industry. It is also well established in other areas such as petro-chemical plants, railway, marine industry, and many others.