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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 supplied Almaraz NPP with a long pendular tool

Maliaño, January 21st, 2019.- Equipos Nucleares SA, SME (Ensa) delivered the long pendular spent fuel [...]

Ensa successfully passes the renewal audit of the occupational health and safety management certificate OHSAS 18001: 2007

Maliaño, January the 10th, 2019. - Equipos Nucleares S.A., S.M.E (Ensa) has successfully passed the [...]

Ensa delivers computer equipment to various associations and foundations

Maliaño, January 7th, 2019.- Equipos Nucleares S.A., S.M.E (Ensa) delivered five disused printers to different [...]


  • 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.