system operation region
as defined in Commission Delegated Regulation (EU) 2024/1366 of 11 March 2024 supplementing…, Article 3, point (43) (Definitions)
the system operation regions as defined in Annex I to ACER Decision 05-2022 on the Definition of System Operation Regions, established in accordance with Article 36 of Regulation (EU) 2019/943