The ZEBRA2020 data tool offers a user-friendly presentation of indicators related to the overall building stock and to nZEB activities.

The first part of the tool presents an overview of the current building stock including renovation and construction and monitors Energy Performance Certificates (EPC) activities by country (focusing on the project target countries). The tool endeavours to overcome data gaps and provide comprehensive datasets which support stakeholders in their efforts to consolidate the transition to an nZEB market.

The second part of the tool enables to display relevant indicators of nZEB buildings constructed after 2010 in selected European countries. It aims at providing information of best cases in Europe, thereby showing most recurrent technologies, materials and strategies towards the nZEB target. The tool differentiates residential and non-residential nZEB buildings and shows some of the most significant indicators regarding energy performance, passive and active solutions and production of renewable energy.

The nZEB Tracker assesses and visualises dynamic market aspects, summarising some of the information from the Data Tool and other data derived from the project into nZEB-tracking graphs.

The EU Member States appear to have different characteristics regarding the status of national nZEB market development. The different tracking criteria are present in various constellations and thus, a sound and consistent evaluation tool is necessary to aggregate these results and present them in a clear way.

The nZEB-tracker is in the end an evaluation tool that can present the results at different levels:

  • Evaluation of each criterion per Member State;
  • Overall evaluation of the market maturity towards nZEB per country;
  • Weighted EU results per criterion and entire EU nZEB market maturity.

Read a 2 pager presentation on the nZEB Tracker.

Note: The nZEB-tracker is no longer available.

The ZEBRA2020 Scenario Mapper  shows scenarios of the market transition to nZEB (nearly Zero-Energy Buildings). We analysed, how current building standards and other policy settings affect the building stock transition and corresponding energy demand targets of the building sector until 2050 and how more ambitious policies could change this transition. For this purpose, a current policy scenario and a more ambitious policy scenario of the market transition to nZEB up to 2020, 2030 and 2050 were developed. However, the more ambitious policy scenario is not necessarily in line with long term climate and energy targets. The gap between these two scenarios shows the need for actions moving to a low carbon building stock.

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