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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.


Advanced welding processes of the CTA

The Advanced Technology Center (CTA) of Equipos Nucleares S.A., S.M.E (Ensa) is always in continuous [...]

Ensa´s Metrology Laboratory offers new developments and services

Maliaño, 9 of July 2019. – Equipos Nucleares S.A., S.M.E (Ensa) Metrology laboratory has expanded [...]

Ensa and Shanghai Electric sign an agreement to enhance their collaboration in the Chinese nuclear market

Maliaño, July the 4th, 2019.- Equipos Nucleares SA, SME (Ensa) and the nuclear group (SENPGC) [...]


  • 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.