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One-Stop-Shop extended model to increase the multi-apartment building stock renovation in the BSR.

RenoWave, a European project, aims to support the process of multi-apartment building stock renovation IBSR countries by providing concepts, tools and models to do so. RenoWave develops business models framework for One-Stop-Shop, based on idea of strengthening the EE-oriented multistakeholder partnerships, specifically designed for multi-apartment buildings in Baltic Sea Region (BSR) countries. The business model frameworks for OSS are designed based on national needs and organizational possibilities to implement those in various BSR countries involved in project implementation.

Project activities are planned to support regional public authorities, technical solutions and competence providing companies and multi-apartment building homeowners in planning and implementation of their EE renovation projects. That includes:

  • Data collection and EE target setting for regional authorities and energy agencies
  • Awareness-rising campaigns and general advice for homeowners
  • Facilitation of collaboration forums for project stakeholders
  • Technical assistance to project stakeholders during development and testing the OSS concept.

Project is implemented by organizations from 7 BSR countries: Sweden, Finland, Lithuania, Latvia, Poland, Estonia and Germany. 

Project duration: 1 January 2023 to 31 December 2025

Project is co-financed in framework of Interreg Baltic Sea Region Programme.

Project manager: Łukasz Polakowski; l.polakowski(at)

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