Closed Distribution System Operator (CDSO) - is a natural or legal person operating, ensuring the maintenance of and, if necessary, developing a Closed Distribution System according to Article 28 of Directive 2009/72/CE.



Directive (EU) 2019/944 of the European Parliament and of the Council of 5 June 2019 on common rules for the internal market in electricity (recast)


Recital 47

This Directive empowers Member States to allow citizen energy communities to become distribution system operators either under the general regime or as ‘closed distribution system operators’. Once a citizen energy community is granted the status of a distribution system operator, it should be treated as, and be subject to the same obligations as, a distribution system operator. The provisions of this Directive on citizen energy communities only clarify aspects of distribution system operation that are likely to be relevant for citizen energy communities, while other aspects of distribution system operation apply in accordance with the rules relating to distribution system operators.







IMG 0744






Article 28 of Directive 2009/72/CE











Distribution System Operator (DSO)


Transmission System Operator (TSO)


EU DSO Entity






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