Purpose and ownership


This web page has been created to offer users detailed information about ESTUDIOS Y ENERGÍAS RENOVABLES, S.A. (ESERSA), a company that belongs to TSK, as well as different means through which to contact and communicate with us.

It also offers the possibility to access information about ESERSA, whose identification data is the following:


TAX ID NUMBER: A79142634

Registered Address: PCTG – C/ Ada Byron, 220 33203 – Gijón (Asturias)

Telephone number: 984 49 55 00

Email:  grupotsk@grupotsk.com


Registered in the Mercantile Registry of Asturias, Volume 1928, Sheet 129, page AS-14209.



Terms of use and use of the service


  •  Obligation to make correct use of the service


The Access and use conditions of this website are subject to current legislation and to the principles of good faith and lawful use by the user. In general, any type of action to the detriment of ESERSA and contrary to this Legal Notice is prohibited.

The user agrees to use this service without engaging in activities that could be considered illicit or illegal, that infringe the rights of ESERSA or third parties, or that could damage, disable, overload or deteriorate the Service or prevent its normal use by other users.


  • Request for contents


Users must refrain from making requests for content offered through this website using means or procedures other than those made available to them, other than those indicated on the website or other than those normally used on the Internet and provided that they do not entail a risk of disabling the Service and its content.

  • Restrictions


The use of this website for illegal or unauthorized purposes, specifically and without limitation, is prohibited:

Any form of violation of third party rights (right to privacy, own image, intellectual and industrial property rights, etc.)

To carry out, using the contents of this website, any type of advertising such as sending unsolicited emails (spam) or similar communication.

Introduce computer viruses, defective files, or any other software or computer program that may cause damage or unauthorized alteration of the contents or systems accessible through this website.


Intellectual Property and Industrial Property

The rights of reproduction, distribution, transformation and public communication of the different elements that make up the website are owned by ESERSA. All the texts, designs, contents, structure, databases, logos, source codes and other elements of the website are protected by the legislation and international treaties in force regarding intellectual and/or industrial property. ESERSA holds all the intellectual property rights necessary to operate the website and all its elements.


Any reproduction, distribution, public communication, transformation or any other form of exploitation of all or part of the content or other elements of the website, carried out in any  way or by any means, electronic, mechanical or other, is strictly prohibited. The infringement of these rights will result in the exercise of the corresponding judicial, civil and/or criminal procedures.


ESERSA is the legitimate owner of the trademarks, logos and domain names associated with the Services provided through its website or is authorized by the legitimate owners to use them, and their reproduction or unauthorized use is strictly prohibited.

Disclaimer of Liability

The user will be the only one responsible for the infractions in which he may incur or for the damages that may be caused to third parties due to the improper or illegitimate use of the web page.

ESERSA will not be responsible for any possible damage or harm that could be derived from interferences, omissions, interruptions, computer viruses, telephone breakdowns or disconnections in the operational functioning of the electronic or computer systems, motivated by causes beyond the company’s control, for delays or blockages in the use of these systems caused by deficiencies or overloading of telephone lines, overloading of the Internet system or other electronic systems.


Users use the hyperlinks at their own risk. The links on the website to other pages are provided for information purposes only and do not imply any association with the linked websites or any recommendation of the products or services offered by those websites. Except in the cases provided for in the Law on Information Society Services, ESERSA does not guarantee the conditions, the legality of the contents, or the correct provision of services offered to users by third parties, which can be accessed through links established on these pages. Nor does it accept responsibility for the hyperlinks that its clients may create through its web pages.


ESERSA is not responsible for the “cookies” that third parties may install on the hard drive of the user’s computer. Neither will ESERSA be held responsible for any typographical errors or inaccuracies that may be appreciated in the contents of its website.

Protection of personal data.

ESERSA is responsible for the processing of personal data provided by users of the website or obtained through browsing. In accordance with the provisions of current legislation on the protection of personal data, ESERSA undertakes to treat such data in accordance with the terms established in the Privacy Policy of this website and to respect its obligation of secrecy and confidentiality. To this end, it will adopt the necessary measures to avoid their alteration, loss, treatment or unauthorized access.


For more information about the Privacy Policy of this website click here .


The website may use cookies while the user is browsing. Cookies are files that are downloaded to a user’s computer when he/she accesses the website. Cookies allow a website, among other things, to store and retrieve information about the browsing habits of a user or his/her computer and, depending on the information contained and the way he/she uses his/her computer, they can be used to recognise the user.


For more information on this website’s Cookie Policy click here .


ESERSA reserves the right to provide access to its website, without prior notice, on a discretionary and temporary basis, as well as the right to modify, update, correct unilaterally, at any time and without prior notice, the presentation, Legal Notice, conditions of service, or use of the website, as well as the contents thereof and, in any case, with respect to applicable regulations.

General Information

For all litigious questions regarding the interpretation, application and/or compliance with this Legal Notice, as well as claims that may arise from its use, Spanish legislation shall apply.

Users who are not consumers agree to submit to the jurisdiction of the Courts and Tribunals of Gijón (Spain) in the event of any conflict, expressly renouncing any other jurisdiction that may correspond to them.