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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.


Ensa successfully completes the validation tests of the baskets for Almaraz NPP pools

Maliaño, February 14th, 2019. - Equipos Nucleares S.A., S.M.E (Ensa) has successfully completed the factory [...]

Ensa keeps its CEFRI certification to intervene in French nuclear power plants

Maliaño, February 11st 2019.- Equipos Nucleares S.A., S.M.E (Ensa) successfully passes the annual follow-up audit [...]

Ensa finished successfully the test developed with the mockup of its ENUN 32P cask by the German Institute B.A.M

Maliaño, February 7th 2019. - Equipos Nucleares S.A., S.M.E (Ensa) has finished successfully all the [...]


  • 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.