Notifications

System Date Subject Category
ISZO 3/23/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (24.03.2026 - 24.03.2026) was published on the ISZO portal.
ISZO 3/23/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 24.03.2026 - 24.03.2026 was closed.
ISOT 3/23/2026 Matching results on the day-ahead market published
The results of matching on the day-ahead market for the next business day were published.
ISOT 3/23/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 3/23/2026 Evaluation of imbalance and RE was published for 22.03.2026 - 22.03.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (22.03.2026 - 22.03.2026) was published on the ISZO portal.
ISZO 3/22/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (23.03.2026 - 23.03.2026) was published on the ISZO portal.
ISZO 3/22/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 23.03.2026 - 23.03.2026 was closed.
ISOT 3/22/2026 Matching results on the day-ahead market published
The results of matching on the day-ahead market for the next business day were published.
ISOT 3/22/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 3/22/2026 Evaluation of imbalance and RE was published for 21.03.2026 - 21.03.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (21.03.2026 - 21.03.2026) was published on the ISZO portal.
ISOT 3/22/2026 IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) Administration
The technical issue is solved. The CEPS-50H CEPS-APG CEPS-PSEPLC CEPS-SEPS Interconnector is reopened from 22.03.2026 08:02 CET.
ISOT 3/22/2026 IDM: (SIDC_TSO_04): XBID Ex post information on closing of Interconnector(s) Administration
No capacity can be allocated anymore for the CEPS-SEPS Interconnector due to technical issues until further notice.
Another message will be sent as soon as the Interconnector will be re-opened.
ISZO 3/21/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (22.03.2026 - 23.03.2026) was published on the ISZO portal.
ISZO 3/21/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 22.03.2026 - 23.03.2026 was closed.
ISOT 3/21/2026 Matching results on the day-ahead market published
The results of matching on the day-ahead market for the next business day were published.
ISOT 3/21/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 3/21/2026 Evaluation of imbalance and RE was published for 20.03.2026 - 20.03.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (20.03.2026 - 20.03.2026) was published on the ISZO portal.
ISZO 3/20/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (21.03.2026 - 23.03.2026) was published on the ISZO portal.
ISZO 3/20/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 21.03.2026 - 23.03.2026 was closed.
ISOT 3/20/2026 Matching results on the day-ahead market published
The results of matching on the day-ahead market for the next business day were published.
ISOT 3/20/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 3/20/2026 Evaluation of imbalance and RE was published for 19.03.2026 - 19.03.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (19.03.2026 - 19.03.2026) was published on the ISZO portal.
ISZO 3/19/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (20.03.2026 - 20.03.2026) was published on the ISZO portal.
ISZO 3/19/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 20.03.2026 - 20.03.2026 was closed.
ISOT 3/19/2026 (IDA_JOINT_07): IDA Partial Decoupling Others
Due to technical reasons or market issues, the following VB are decoupled from the IDA auction 1 20.03.2026:

OMIE
ISOT 3/19/2026 SDAC_ExC_02: Delay in Market Coupling Results publication Short term market results
Please be aware that the publication of the SDAC Market Coupling Results is delayed until further notice.
The Market Coupling Results will be published as soon as they are available.
If needed, another delay message will be sent out.
ISOT 3/19/2026 Matching results on the day-ahead market published
The results of matching on the day-ahead market for the next business day were published.
ISOT 3/19/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 3/19/2026 Evaluation of imbalance and RE was published for 18.03.2026 - 18.03.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (18.03.2026 - 18.03.2026) was published on the ISZO portal.
ISOT 3/19/2026 IDM: (SIDC_TSO_03): XBID Ex ante information on closing of Interconnector(s) Administration
The SEPS (SEPS-CEPS, SEPS-MAVIR, SEPS-PLC) Interconnector WILL BE CLOSED on 25.03.2026 16:15 CET due to system maintenance until 25.03.2026 21:00 CET.
No capacity allocation will be possible.
Another message will be sent before re-opening.
ISZO 3/18/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (19.03.2026 - 19.03.2026) was published on the ISZO portal.
ISZO 3/18/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 19.03.2026 - 19.03.2026 was closed.
ISOT 3/18/2026 Matching results on the day-ahead market published
The results of matching on the day-ahead market for the next business day were published.
ISOT 3/18/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 3/18/2026 Evaluation of imbalance and RE was published for 17.03.2026 - 17.03.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (17.03.2026 - 17.03.2026) was published on the ISZO portal.
ISOT 3/18/2026 IDM: (IDCT_NEMO_07): Maintenance on XBID System Market participants
Please be aware that a maintenance on XBID is planned from 25.03.2026 11:00 CET until 25.03.2026 14:30 CET. During this time, no Cross Border trading is possible.
Another message will be sent as soon as the maintenance is finished and Cross Border Trading will be startup again. Please be aware that your orders will be deactivated during the maintenance.
ISOT 3/17/2026 IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) Administration
The maintenance has finished. The SEPS-CEPS, SEPS-MAVIR, SEPS-PLC Interconnector will be (re)opened at 17.03.2026 21:00 CET
ISOT 3/17/2026 IDM: (SIDC_TSO_03): XBID Ex ante information on closing of Interconnector(s) Administration
The SEPS (SEPS-CEPS, SEPS-MAVIR, SEPS-PLC) Interconnector WILL BE CLOSED on 17.03.2026 16:15 CET CET due to system maintenance 17.03.2026 21:00 CET. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISZO 3/17/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (18.03.2026 - 18.03.2026) was published on the ISZO portal.
ISZO 3/17/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 18.03.2026 - 18.03.2026 was closed.
ISOT 3/17/2026 Matching results on the day-ahead market published
The results of matching on the day-ahead market for the next business day were published.
ISOT 3/17/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 3/17/2026 Evaluation of imbalance and RE was published for 16.03.2026 - 16.03.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (16.03.2026 - 16.03.2026) was published on the ISZO portal.
ISZO 3/16/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (17.03.2026 - 17.03.2026) was published on the ISZO portal.
ISZO 3/16/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 17.03.2026 - 17.03.2026 was closed.
ISOT 3/16/2026 (IDA_JOINT_07): IDA Partial Decoupling Market participants
Due to technical reasons or market issues, the following VB are decoupled from the IDA auction 1 16.03.2026:

OMIE (ES, PT)
ISOT 3/16/2026 Matching results on the day-ahead market published
The results of matching on the day-ahead market for the next business day were published.
ISOT 3/16/2026 SDAC_ExC_02: Delay in Market Coupling Results publication Short term market results
Please be aware that the publication of the SDAC Market Coupling Results is delayed until further notice.
The Market Coupling Results will be published as soon as they are available.
If needed, another delay message will be sent out.
ISOT 3/16/2026 IDM: (IDCT_NEMO_08): Finish of maintenance on XBID System Market participants
Please be aware that the maintenance on XBID System is successfully finished. The Cross Border Trading will be re-opened on 16.03.2026 13:00 CET for continuous trading. Please be aware that deactivated orders will NOT be automatically reactivated.
ISOT 3/16/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.