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Stromnetz Berlin is looking for the best energy-saving tips

13.09.2015

Working with the German Energy Agency (dena) and Berlin Technical University (Technische Universität Berlin), Berlin's energy grid operator has begun investigating which factors have the strongest impact on a household's energy consumption.

Working with the German Energy Agency (dena) and Berlin Technical University (Technische Universität Berlin), Berlin's energy grid operator has begun investigating which factors have the strongest impact on a household's energy consumption. To do this, 30,000 randomly selected Berlin households were approached and asked about the factors which have the greatest influence on their energy consumption.

Since 2010, the grid operator has noticed that the overall annual energy consumption in Berlin's households and businesses (shown here in gigawatt hours) has continually declined.

Energy consumption in Berlin
Declining overall consumption from household and smaller business customers

 

Now, Stromnetz Berlin wants to work with partners to find the reasons behind this. Even households just switching from lightbulbs to LED lights and exchanging old devices for new and energy-efficient ones is probably contributing to the reduction in energy consumption. The study's initiators want to use it to get an academically rigorous idea of what other factors are having an impact.

The questions were conceived such that conclusions could be drawn about the overall behaviour of all household customers from the answers. The questionnaire was anonymous and carried out with strict regard for data protection.

In the 4th quarter of 2015, the results were evaluated and the best energy-saving tips were then published, to make them available to all Berlin residents. For Stromnetz Berlin, the results are important for another reason: the grid operator designs its grid planning, and thus its investment in future consumption trends, with a view to preparing the grid as well as possible for anticipated future demand for energy.

For every questionnaire returned, Stromnetz Berlin donates 1 euro to the "City trees for Berlin" campaign, run by the Senate Administration for City Development and the Environment.

dena and Stromnetz Berlin are working together on energy efficiency in another project as well: A collaborative field test, "consumers measure", works with partners to investigate the influence of individual household devices on a household's energy consumption. 50 Berlin households were equipped with energy measurement devices and are now monitoring their consumption. At the end of the campaign, households will know the precise energy consumption of their electrical devices and will also have a better understanding of how they can reduce their energy consumption and costs. You can find more information on the project at:

www.stromeffizienz.de/verbraucher-messen-nach.


Field test

As a partner of dena in the "Consumers measure" field test, we enabled 50 Berlin households to measure their exact energy consumption and trace it.

"Save energy successfully"

We are interested in Berlin's consistently declining energy consumption. To this end, in September 2015 we wrote to around 30,000 household customers in Berlin and asked them to fill out a survey on the factors that influence their energy consumption the most, as part of the "save energy successfully" study.