PyPSA-eur/Clustering.md

@@ -50,3 +50,11 @@ Several errors were encountered, when developing/using this tool. The following
 | 'some number does not match expected number' | one of the mentioned number is twice the amount of buses in your `networks/elec_s.nc". Somewhere along the way some buses were lost and are missing in the output.|
 | some error in a clustering routine yielding a list of country codes | Although you might not see it, the list contains different country codes but it shouldn't. Make sure that you don't create clusters that span across borders, as this causes issues. Use `n.buses` to see which bus should go into which country and check your result for differences. |
 
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+**Further Applications of Custom Clustering**
+Another application of custom clustering is the representation of the four control areas in Germany.
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+![custom_clustering_DE_Regelzonen](uploads/5dbba7ca8cce63ab4eb9cce2e1f7ac38/custom_clustering_DE_Regelzonen.png)
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+The corresponding .geojson-file, the notebook as well as the .csv-result can be downloaded under the following link: **LINK ADDED IN FUTURE**