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diff --git a/doc/release_notes.rst b/doc/release_notes.rst
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--- a/doc/release_notes.rst
+++ b/doc/release_notes.rst
@@ -8,13 +8,16 @@ Release Notes
##########################################
Synchronisation Release - Ukraine and Moldova (17th March 2022)
-===================================================================
+===============================================================
On March 16, 2022, the transmission networks of Ukraine and Moldova have
successfully been `synchronised with the continental European grid `_. We have taken
this as an opportunity to add the power systems of Ukraine and Moldova to
PyPSA-Eur. This includes:
+.. image:: img/synchronisation.png
+ :width: 500
+
* the transmission network topology from the `ENTSO-E interactive map `_.
* existing power plants (incl. nuclear, coal, gas and hydro) from the `powerplantmatching `_ tool