INTERNATIONAL CLEANTECH NETWORK
International Cleantech Network (ICN) is an exclusive network of cleantech clusters in the world’s leading cleantech regions, aiming to generate new business opportunities, enhance competitive advantages and create value for companies, knowledge institutions, and local authorities across cluster regions.
Who we are
International Cleantech Network
International Cleantech Network (ICN) is the world’s leading global cleantech network consisting of 20 regional clusters from around the world.
ICN clusters
SMEs of the ICN clusters
The SMEs of the ICN clusters are on the international forefront of sustainable energy and environmental industries and collectively provide innovative technologies to meet the growing global demand for green technologies and sustainable solutions.
Members of ICN
As members of ICN, clusters can provide opportunities for their members to expand their international networks and associate with project owners outside of their region.
The International Cleantech Network
130+ cities & REGIONS
250+ universities
7.000+ SMEs

Opportunities
ICN is continuously identifying potential relevant leads in cities and corporations around the world.
ICN Passport
INTERNATIONALIZATION
International visibility, partnership building, and funding opportunities are a core aspect of ICN’s services relevant to the expertise of ICN members.
CHALLENGES
INNOVATION PROCUREMENT
Access to R & D institutes and proven TRL industry products and services secures innovation for ICN member’s pilots and projects, specifically public-private authorities seeking circular solutions.
Project Development
Being a part of the ICN entails being part of a network of preferred partners. ICN members engage in project discussions with other ICN members and form consortia and joint project applications.
KNOWLEDGE SHARING
Knowledge exchange and capacity building is a core part of ICN’s values. It is optimized through thematic focuses in ICN operations and can be used as a tool to grow into new regions through capacity building of candidate member organizations.
Ready to get started?
Internationalization is a core aspect of ICN’s services. On the ICN Solutions online platform, SMEs and industry can find internationalization opportunities from all around the world and to connect with the global cleantech ecosystem.
Latest News
ICN and ICLEI South America Announce Strategic Partnership to Accelerate Urban Sustainability
The International Cleantech Network (ICN) is proud to announce a new strategic partnership with ICLEI South America – Local Governments for Sustainability, a global leader in advancing sustainable urban development. This collaboration was officially launched during the ICN Annual Meeting and marks a significant step forward in connecting cleantech innovation with city-level implementation.
Water Smart Connect Action Plan: A Roadmap for Regional Innovation in Water Management
The Water Smart Connect project has come to a successful close – leaving behind more than just outcomes. It has produced a powerful tool for municipalities, regions, and industry to take coordinated action on one of Europe’s most pressing challenges: sustainable water management.
Global Problems, Local Solutions: ICN’s Annual Meeting in Brazil
Last month, ICN members gathered in Rio de Janeiro for our Annual Meeting – three days packed with exchange, partnership-building, and real-world challenges brought to the table by decision-makers from across the Global South.