News – What`s happening in energy research

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The U-value indicates the comparative thermal insulation effect of the windows in Europe. In Germany, the value is 1.60 W/m²K.
Database processes characteristic values for buildings

The map shows the comparative thermal insulation effect of windows: the darker a country, the better the U-value .

Compare energy consumption across Europe

A new database has been created which makes it easier to compare energy consumption in buildings in Europe. Data is available from 27 member states of the European Union, Croatia and Serbia. Diagrams enable users to make comparisons between countries at a single glance.

Average values for energy consumption in buildings in the individual European countries can be clearly displayed using a new database. The online tool offers an overview of building stock, the ownership structure and energy requirements. The values available include information on the size, age, type, and heating and cooling systems of the buildings. The data can also be broken down to show the average thermal insulation value of the individual building components. The picture is completed by values for the useable areas of the buildings.

The database has been developed by a group headed by the Energy Economics Group at the Vienna University of Technology. The German participants in the project are the ISI Fraunhofer Institute for System and Innovation Research and the Oeko-Institut.

Promoting market penetration of nearly zero-energy buildings

The “Policies to ENforce the TRAnsition to Nearly Zero-Energy buildings in Europe”, or ENTRANZE, aims to encourage EU countries to save energy. It provides data designed to develop political tools for promoting nearly zero-energy buildings according to the 2010/31/EU directive. However, the directive does not describe a uniform approach to the definition of nearly zero-energy buildings, in order to take into account the broad span of building culture and the climate throughout Europe.

Researchers use the data to calculate at which level minimum building standards become cost-efficient. They also develop scenarios in order to estimate the effect of political measures. The aim is to make the effects of savings and costs transparent.

As an additional measure to the database, experts, interest groups and politicians are meeting to develop strategies. According to project participant Judit Kockat from the Fraunhofer ISI: “We want to learn from experiences in the countries where certain measures have already been introduced. This relates not only to the energy savings achieved, but also to the potential for political implementation and the feasibility for those affected.”

This link also provides access to anyone interested in searching the database.



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