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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 recibió la visita de un grupo de alumnos de la UC, procedentes del seminario INCEFA+

ENSA recibió la visita de un grupo de alumnos de la UC, procedentes del seminario [...]

CESOL recognizes Ensa as a Distinguished Member for its collaboration

The Cantabrian company participated in the 22nd Technical Conference of Welding and Union Technologies held [...]

Ensa participated in the third edition of the World Nuclear Exhibition 2018

The company signed a collaboration agreement with Nuclep Maliaño, July 17, 2018.- Nuclear Teams S.A., [...]


  • 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.