Collaboration and knowledge exchange
Building cooperation between regions, industries, local authorities, research organisations, sister projects and the wider Hubs for Circularity community.
THESEUS – A First-of-a-kind Hub for Circularity demonstrator for Attica and peripheral regions, is a Horizon Europe Innovation Action establishing Greece’s first Hub for Circularity, starting from Athens, Attica and supporting wider Greek and European replication.
The project demonstrates Industrial-Urban Symbiosis in practice, connecting cities, regions, utilities, industries, researchers and technology providers to close loops in materials, water and energy.
Coordinator: ICCS
Grant Agreement: 101178059
Duration: 2024 – 2029
Circular economy cannot be achieved through isolated recycling actions or single technologies alone. It requires coordinated regional systems where waste streams, water flows, energy needs, industrial capacities, logistics, digital tools and governance structures are connected.
THESEUS responds to this challenge by creating a real-world Hub for Circularity in Attica. The project develops, tests and demonstrates circular technologies and collaboration models in real conditions, with the ambition to support climate neutrality, resource efficiency and the wider uptake of Industrial-Urban Symbiosis across Europe.
THESEUS is structured around five interconnected innovation pillars:
Building cooperation between regions, industries, local authorities, research organisations, sister projects and the wider Hubs for Circularity community.
Developing circular value chains for complex material streams, including textiles, municipal waste, packaging, construction and demolition waste, glass and industrial residues.
Demonstrating circular solutions for district heating, green hydrogen, sewer mining, reclaimed water reuse, rainwater harvesting, nature-based solutions and sludge valorisation.
Using advanced sorting, smart bins, GIS-based symbiotic mapping, matchmaking tools, Digital Product Passports, predictive resource logistics and an H4C marketplace.
Developing regional roadmaps, stakeholder engagement models, policy recommendations, standardisation links, de-risking approaches and replication pathways.
THESEUS combines strong local implementation with European collaboration. Its main demonstration hub is based in Attica and is supported by two dedicated replication ecosystems.
Industrial, urban and regional actors work together to test circular solutions across materials, water and energy.
Focused on industrial and urban residual flows, district heating residual heat, textiles, plastics and resource collaboration.
Focused on construction and demolition waste, plastics, textiles, water sludge, process industry symbiosis and regional circular value chains.
Together, these ecosystems create a two-way learning process: Attica acts as the main demonstration hub, while Sweden and Norway support adaptation, comparison and scale-up for wider European use.
THESEUS is coordinated by ICCS - Institute of Communication and Computer Systems. The consortium brings together organisations from research, industry, SMEs, public authorities, utilities, standardisation bodies, technology providers and regional replication actors.
THESEUS brings together the actors needed to move circularity from concept to implementation: territorial authorities, research and technology partners, industrial value-chain actors, and organisations supporting standardisation, replication and uptake.
THESEUS contributes to the Horizon Europe ambition to accelerate the green and digital transition of European industry and territories.
By aligning with the Processes4Planet Partnership and the Hubs for Circularity community, the project supports climate neutrality, circular resource use and more resilient regional value chains.
Rather than treating circular economy as a single-sector challenge, THESEUS demonstrates how cities, industries, utilities, researchers and public authorities can cooperate around shared resource flows and turn Industrial-Urban Symbiosis into a practical model for European regions.
Funded by the European Union under the Horizon Europe Programme, Grant Agreement No. 101178059. Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or HADEA. Neither the European Union nor the granting authority can be held responsible for them.