Returning to citizens
We offer public services with professional guarantee
News
28 January 2026
La Planta de Valorització Energètica de TERSA rep més de 140 professionals internacionals el 2025, consolidant-se com una instal·lació referent del sector
22 January 2026
SIRESA impulsa un nou servei de formació i assessorament en compostatge
Waste management
We evaluate different residue fractions, recuperating them, reusing them, and transforming them into energy, that way reducing their environmental impact.
Renewable energy
We generate and sell energy from renewable sources to contribute to a new more sustainable energy model.
Sustainability promotion
We work to promote the citizen commitment to sustainability promoting practices that are more respectful with the environment.
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.
