Returning to citizens

We offer public services with professional guarantee

Waste
management

Renewable
energy

Sustainability
promotion

News

28 September 2026

Barcelona Energia torna a subministrar energia 100 % renovable a la Festa Major de la Mercè

More information

16 September 2026

La Planta de Valorització Energètica de Sant Adrià transforma més de 320.000 tones de residus en energia per al territori

More information

07 September 2026

Grupo TERSA publica la Memoria de Sostenibilidad 2025

More information

see all

Waste management

We evaluate different residue fractions, recuperating them, reusing them, and transforming them into energy, that way reducing their environmental impact.

Waste-to-
Energy

Sorting of
light packaging

Treatment of
bulky waste

Collection
centres

Renewable energy

We generate and sell energy from renewable sources to contribute to a new more sustainable energy model.

Barcelona
Energia

Photovoltaic
installations

Biogas
for energy
use

Sustainability promotion

We work to promote the citizen commitment to sustainability promoting practices that are more respectful with the environment.

Ecomanagement

Barcelona + Sostenible

TERSA Group

TERSA Group, formed by TERSA, SEMESA, and SIRESA, with more than 35 years of history, is a public company for environmental services related to circular economy, evaluation of residues, generation and commercialisation of renewable energies, and promotion of citizen commitment to sustainability.

More than 300 professionals form part of TERSA Group, all united by the commitment to sustainability, innovation, and transparency.

TERSA corporate graphic icon

More

Ethics Mailbox

Please send all queries you may have to the Ethics Mailbox.

Contractor Profile

Access to the Public Procurement Platform

Guided visits

Contact

How can we help you?

You can request information related to the activities of the TERSA Group companies using the contact form.

Job offers

Send us your Curriculum Vitae

Cookie Settings

This website only uses its own and third-party cookies for technical purposes, and does not collect or transfer users' personal data without their knowledge.
However, it contains links to third-party websites with privacy policies outside of this company that you can decide whether or not to accept when you access them.

Visit our Cookie Policy for more information.

Cookie Settings Panel

We would like to introduce you to our own and third-party cookie settings screen.

Cookies are small data files used in the user's terminal (such as computer, tablet, mobile phone, etc.) that store and retrieve information while browsing.

You can change the settings that affect the cookies we use below.

Always active

Personalization cookies (own)

They allow you to remember information for the user to access the website with certain features that can differentiate their experience from that of other users. In particular, we use them to remember the language selected by the user in later sessions.

(+) See cookies

Denomination	Owner Company	Cookie duration	Cookie purpose
idioma	TRACTAMENT I SELECCIO DE RESIDUS SA.	Persistent. 1 year	Remember the language selected by a user to view a web page
gdpr_cookies	TRACTAMENT I SELECCIO DE RESIDUS SA.	Persistent. 1 year	Remember the language selected by a user to view a web page

Disabled

Analysis cookies

They allow the monitoring and analysis of user behaviour. The information collected through this type of cookie is used to measure the activity of the website, to introduce improvements based on the analysis of the use made by users of the site.

(+) See cookies

Denomination	Owner Company	Cookie duration	Cookie purpose
_ga	Google	Persistent. 2 years	It records a unique ID that is used to generate statistics about how the visitor uses the website.
_gat_gtag_UA_148176734_1	Google	Persistent. 1 day	Used for Google Analytics to control the rate of requests
_gid	Google	Persistent. 24 hours	It records a unique ID that is used to generate statistical data about how the visitor uses the website.

If you have any questions, please visit our Cookie Policy

Decline all cookies

Accept all cookies