Cookie Policy

What is a cookie?

A “cookie” is a file that contains small amounts of information that is downloaded on your computer -or other device- by accessing certain web pages and that gathers information regarding your browsing on the websites. Once downloaded into your device, your browser sends these cookies in subsequent visits to the websites already visited, providing them with information (such as, for example, the browser used, the language selected, the number of times you have visited the page, etc.), in order to facilitate, personalise and make the navigation more effective according to the information provided by cookies.

What type of cookie do we use?

Our website uses cookies to personalise the content and provide you with a customised, efficient browsing. We use cookies to help us to identify your browser and the language that you use, as well as other characteristics of your browsing patterns, with the aim of directing you to the suitable home page and facilitating you the navigation on our website. We use identifiers, such as IP addresses to obtain the number of individual visitors that access to our website, their geographical location, and their usage trends across the different pages that make up the site. In no case shall we use cookies to personally identify the user.

By browsing our website you accept the implementation of cookies, which you can control and administrate using the properties of your browser. Note that removing or blocking cookies may affect your browsing on our website, and it is possible that some functions may not be available and may even disable browsing.

The website uses cookies with different functionalities:

Our website cookies installed on the users’ devices are not everlasting, rather, depending on their functionality, they have a limited permanence: from those cookies that delete themselves at the end of a browsing session, to other cookies that expire after 24 hours, up to the longest lasting cookies which expire 365 days after they were last updated.

The following table displays the first-party and third-party cookies that the website current uses and the purpose for which each one is used:

1f616252c666968921000a2b5ef44e1c At the end of the browsing session    
c48b3f668f69f01659341181a9bb31e8 365 DAYS Users’ preferred language. Impacts on the functionality of the Web
cookieaccept 365 DAYS If users have accepted the cookies Disablement of the browsing on the website
_ga 1 day This type of cookie is associated with Google Universal Analytics- which is an update of the commonly used Google analysis service. This cookie is used to distinguish unique users by assigning them a number as a client identifier. It is included in each website request and is used to calculate visits, sessions and company data for the analytical reports of the website. By defect, they expire after 2 years, but this can be modified by the website owner. Impacts of the functionality of Google Analytics
_gat   This type of cookie is associated with Google Universal Analytics. Pursuant with their documentation, they are used to speed up the ratio of requests, limiting the gathering of data on websites with lots of traffic. They expire in 10 minutes. Impacts on the functionality of Google Analytics
_gid 1 day This type of cookie is associated with Google Universal Analytics. It saves and updates a unique value for each web page visited. Impacts on the functionality of Google Analytics
_streamio_session At the end of the browsing session    
JSESSIONID At the end of the browsing session Platform session cookie with a general purpose. Used on sites written in JSP. It is normally used to maintain the users’ session anonymous for the server. Impacts on the management of users.

This website uses “Google Analytics” analysis cookies, an analytical web service provided by Google, Inc. with registered address in the United States with central headquarters at 1600 Amphitheatre Parkway, Mountain View, California 94043. For the provision of these services, cookies are used which gather the information, including the users’ IP address, which will be transmitted, processed and stored by Google in the terms established on the website, including the possible transmission of said information to third parties for legal reasons or when said third parties process the information on behalf of Google. The configuration of these cookies is predetermined by the service offered by Google, as such we recommend that you check the Google Analytics privacy page to obtain more information regarding the cookies they use and how to disable them, understanding that we are not responsible for the content or veracity of third-party websites.


Users can allow, block or remove cookies stored on their device through the browser setting options on their computer. Please read carefully the corresponding help section on your browser to learn more about how to activate the “private mode” or unblock certain cookies:

Enresa wishes to point out that the variation of cookies that this website handles cannot be related to its management and maintenance. Consequently, reviews are carried out periodically to improve and update Cookies Policy.

Enresa does not assume any liability which may arise from legal or technical problems caused due to non-compliance with the recommendations included in this policy. This communication is made for inform the users and, therefore, it should not be used for any other purpose. Likewise, responsibility for the content and veracity of the privacy policies of third parties included in this Cookies Policy is not assumed.

If you have any question regarding the Cookies Policy outlined in this document, you can contact us at


Enresa can modify this Cookies Policy pursuant to the legislative or regulatory requirements, or in order to adapt that policy according to the instructions given by the Spanish Data Protection Agency. For that reason, users are advised to check this policy regulary.

Institutional Control and Organisation

Enresa, as a public company, is subject to the regulatory control of various organisms of the State General Administration, who validate the planning of its activities and supervise the company’s actions.

The Ministry of Ecological Transition is the body responsible for establishing the policy with regard to the management of radioactive waste. The Nuclear Safety Council is the Spanish authority for nuclear safety and radiological protection. The shareholders of Enresa are the Research Centre for Energy, Environment and Technology (Ciemat) and the State Industrial Holdings Company (SEPI). Finally, Enresa reports the Spanish Parliament on its activities and projects, communicates legislative needs and provides information on technological innovations in its field of activity.

The General Radioactive Waste Plan (GRWP) is the reference framework that clearly and concisely sets out the strategies and activities to be carried out in the field of radioactive waste management. The 7th General Radioactive Waste Plan, approved by the Spanish Government on 27 December 2023, is the reference document currently in force.

Organisational Chart of Institutional Control

Organisational Chart of Institutional Control

Composition of the Board of Directors

Chairman: Mr. Jose Luís Navarro Ribera.

Vice-chairman: Mrs. Yolanda Benito Moreno. General Director of Ciemat.

Members of the Board:

  • Mr. José Manuel Pérez Morales. Director of Technology Deparment. Ciemat.
  • Sepi, represented by Mrs. Mercedes Real Rodrigálvarez. Director of Investee Companies.
  • Mr. Joaquín Serrano Agejas. Chief of the Scientific and Technical, Cross Section, Strengthening and Excellence Programmes Branch. State Investigation Agency. Ministry of Science and Innovation.
  • Mr. José Manuel Redondo García. Deputy General Director for Nuclear Energy. Ministry for Ecological Transition and Demographic Challenge.
  • Mr. Carlos Redondo López. Deputy General Director for Electrical Energy. Ministry for Ecological Transition and Demographic Challenge.
  • Mrs. Cristina Morales Puerta. Deputy General Director for the Management of the Audiovisual Media Services. Ministry of Economic and Business Affairs and Digital Transformation.
  • Mr. Miguel Ángel Recio Crespo. Deputy General Director for General Inspection of Services and Relation with Citizens. Ministry of Industry, Commerce and Tourism.
  • Mrs. Cristina Moneo Ocaña. Deputy General Director for Science and Innovation Internationalization. Ministry of Science and Innovation.
  • Mrs. Alicia Camacho García. Advisory Member. General Technical Secretariat of the Ministry for Ecological Transition and the Demographic Challenge.
  • Mrs. Isabel Arranz Olmos. Deputy Technical Secretary General Ministry of Economic Affairs and Digital Transformation.

Secretary (non-member of the board):Isabel Torres Fernández

Composition of the Management Committee

  • Chairman: Jose Luís Navarro Ribera.
  • Secretary General and Secretary to the Board: Isabel Torres Fernández.
  • Sustainability and Communication Director: María Pérez Fernández.
  • Technical Director: Mariano Navarro Santos.
  • Audit Director: Carlos Tamarit de Castro.
  • Administration Director: Aurora Saeta del Castillo.