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     OPCOM: 
    Announcements
    30/12/2025
    Summary/Procedure regarding the tariffs applied by OPCOM S.A. for the services provided to participants in the centralized natural gas markets in 2026. Invoicing and payment terms.
    30/12/2025
    Summary/Procedure regarding the tariffs applied by OPCOM for the services provided to participants in the Green Certificate Markets administered by OPCOM S.A. in 2026. Invoicing and payment deadlines of the tariffs applied by OPCOM S.A.
    30/12/2025
    Summary/Procedure regarding the tariffs applied by OPCOM for the services provided to participants in the organized forward electricity markets administered by OPCOM S.A. in 2026. Invoicing and payment deadlines.
    24/12/2025
    Summary/Procedure regarding the tariffs applied by OPCOM S.A. for REMIT reporting services provided to participants in 2026. Invoicing and payment terms.
    24/12/2025
    Summary/Procedure regarding the tariffs applied by the Nominated Electricity Market Operator (NEMO) for the services provided to participants in 2026. Invoicing and payment deadlines of the tariffs applied by NEMO.
    23/12/2025
    Calendar of trading sessions on GCACSM for the year 2026
    12/11/2025
    List of economic operators who have not fulfilled the obligation to acquire GC third quarter of 2025
    06/11/2025
    Single Day Ahead Coupling (SDAC) Parties announce the organization on 19.11.2025 (for delivery day 20.11.2025) of the training session for SDAC decoupling