Published on July 29th, 2014 | by Roy L Hales2
New Online Tools From Fraunhofer ISE
July 29th, 2014 by Roy L Hales
The chart above is a screenshot from Fraunhofer ISE’s new online chart of Germany’s monthly electricity generation. The interesting thing about that seventh column is that I am writing on July 26. The month is not over, but I can already access the data on how much energy has been produced by every sector to date. If you go to their page, you can get the numbers by hovering over the appropriate energy report. People who want a more accurate persecutive of how things are unfolding can change the settings to weekly or daily. The new online tools from Fraunhofer ISE enable immediate access to kinds of data previously only obtainable through third-party reports.
“By making the data available on this website, it is our intent to promote transparent and objective discussions relating to all factors regarding the energy transformation in Germany,” Professor Eicke Weber said in Fraunhofer ISE’s press release.
“Our graphs of electricity production are very popular: for one, because we collect the data from several neutral sources and secondly because we continually update the time series data promptly,” reports Professor Bruno Burger, who heads the data collection department.
Want to get a picture of Europe’s energy trade? Click on this link and you can access a circular graph. Note that you can set it to a German or European perspective. I chose European, to the left, and found that the latest data was from April.
You can focus on individual countries without changing the setting.
I decided to look at Germany from this perspective. Notice how the orange bands are thicker on the German (DE) side? That’s because Germany has positive trade balances with the Netherlands, Austria, Switzerland, Poland, and Luxembourg. You can get the precise figures by going to their page and hovering over the bands. (That does not transfer vis a screenshot, unfortunately.) On the top orange band, for example, it says that so far this year Germany has exported 9.4 TWh to the Netherlands, and imported 10 GWh.
Want to know how the same data look if you change the settings to “Germany” rather than “Europe”? Looks like all it did was drop the countries Germany is not trading with.
Another graph lets you see the wholesale price of electricity along with the various types of energy being fed to the grid. It will let you see data as recent as two days ago. The spot price hit a high of 125 euros on July 21st and a low of 4 on the 6th. (Remember, this is electricity that is trading on the market, NOT what utilities are charging their customers.)
What I really wanted to see was the times that electricity was actually selling for less than 0. I found isolated days in March, April, and May.
There is also an online tool at the EEX Transparency Platform that allows you to watch today’s energy mix. There is supposed to be a two-hour delay, but the most recent data is from 6:00 and it would be 9:30 right now.
Germany started receiving solar energy at 7 am this morning. The output reached 5,068 MW by 8 am and was over 10,000 MW for seven hours. At the height, recorded at both 12:00 and 1:00 pm, there was more than 17,000 MW.
The conventional energy supply dipped below 31,000 MW during the high point, but was mostly between 31,000 and 32,000 during those seven hours of strong sunlight.
Another graph displays the expected wind energy for today. As you can see from the graph, it neatly complements today’s solar. Wind energy will be strongest tonight, when there is no sun.
“Our graphs of electricity production are very popular: for one, because we collect the data from several neutral sources and secondly because we continually update the time series data promptly,” reports Professor Bruno Burger, who heads Fraunhofer ISE’s data collection department.
I am impressed.
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