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The Greek energy regulator, RAAEY, has reduced the threshold for large storage facilities in the Balancing Market from 40 MW to 10 MW, formally integrating electricity storage into the power system. This change mandates that units above this limit participate as independent market players.

The reform aims to enhance grid stability amid rising renewable energy generation. While large-scale battery projects will benefit from better market access, conventional power producers may face revenue pressure as batteries provide quicker and cheaper balancing services.