Interregional Innovation Investments (I3) is a Cohesion Policy funding instrument for the 2021–2027 period, aimed at supporting the commercialisation and scaling-up of interregional innovation projects in shared smart specialisation priority areas, with a view to developing European value chains with a strong cohesion dimension.

• Generally open to all types of legal entities (including public administrations, clusters, R&D organisations, universities, industry, end users and civil society representatives), depending on the call.
• Applications submitted in a consortium (3–5 partners from different Member States and regional ecosystems).

• I3 Strand 1: Funding for interregional innovation projects in shared Smart Specialisation areas.
• I3 Strand 2a: Funding for interregional innovation projects aimed at developing value chains in less developed regions.
• I3 Strand 2b: Funding for capacity-building actions aimed at strengthening regional innovation ecosystems.

• I3 Strand 1 and Strand 2a: 70% of eligible costs for Consortium partners and 100% for Financial Support to Third Parties (FSTP)
• I3 Strand 2b: 100% of eligible costs for Consortium partners.