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Fraunhofer ISE Energy Charts: Facts instead of Fake News about the Energy Transition
Can Germany meet its electricity needs from renewable energy sources? How much nuclear and coal power is imported? Does a solar eclipse lead to a blackout? To make the discussion about the energy transition more objective, the Fraunhofer Institute for Solar Energy Systems ISE put the data platform "Energy-Charts" online ten years ago. Today, the website offers extensive interactive data on German electricity generation, climate data, emissions and prices, as well as electricity generation and market data for 42 European countries. It is therefore one of the most comprehensive data platforms on the energy market in Europe. It all started with a press release: in 2011, the media warned of a blackout during Pentecost because solar feed-in was high and the load was low. This annoyed Prof. Bruno Burger of Fraunhofer ISE so much that he began to compile data on electricity generation in a slide set.
“I wanted to objectify the debate about the energy transition by making data easily understandable to the public.”
From Slide Set to App
Due to high demand, the slide set quickly grew to 280 pages – leading to the idea of a website where data could be flexibly loaded into interactive graphics. Users should be able to configure energy transition data themselves. Starting with data on performance, energy and market electricity prices, the website was gradually expanded: production data for solar and wind power, import/export, climate data, power plant emissions, and an interactive power plant map were added. The Energy-Charts team now draws from 16 different sources, whose data is mathematically cleaned and prepared for output in interactive graphics. To continuously improve the platform, the team conducted surveys and workshops with users; in two projects funded by the German Federal Environmental Foundation, new designs and data categories were introduced. The Energy-Charts now provide data in four languages (German, English, French, and Italian) and for 42 European countries. The temporal resolution also increased from weekly to daily to quarter-hourly resolution. Forecast values are also available for data such as expected electricity generation and market electricity prices.
Twelve Euro-Countries in the Energy Transition Check
Since December 2023, the website has been supplemented by the "Stromampel-App," which shows the current share of renewable energies in electricity generation for twelve European countries, as well as the day-ahead market electricity price for 34 countries. Owners of electric cars, heat pumps, or smart homes can use it to manage their electricity consumption to utilize a greener power mix. The leading European household appliance manufacturer BSH Hausgeräte GmbH, which includes brands like Bosch, Siemens, Gaggenau, and Neff, already uses the data from Stromampel. The Fraunhofer team also provides the data on the website and through an open interface (API) for all interested parties.
Great Response in Media and Public
Today, the Energy-Charts are a widely used website for energy data in Germany. Representatives from science, media, politics, and the energy sector, but especially those interested in the energy transition, access the data. The website has about 100 million hits per year, with approximately 250 million graphics delivered. Between 8 AM and 4 PM, the website is accessed 200,000 to 250,000 times per hour. However, the educational work on the energy transition is by no means limited to the website: Prof. Bruno Burger gives over 100 interviews, lectures, and seminars annually. About 400 media contributions per year cite data from the Energy-Charts or Prof. Burger. On the platform X, where the Energy-Charts have been represented since 2016 and have more than 25,000 followers, more than 7,500 posts with current energy graphics have been tweeted. To meet the demand for exchange on energy figures, the Energy-Charts team has been offering the "Energy-Charts Talks" at the beginning of each month since June 2021, where current electricity generation figures and new functionalities/data are presented and discussed. These have between 100 and 150 participants monthly.
Translated automatically from German.
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