Notifications

System Date Subject Category
ISOT 5/13/2026 IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) Administration
The maintenance has finished. The SEPS (SEPS-CEPS, SEPS-MAVIR, SEPS-PLC) Interconnector is (re)opened at 13.05.2026 19:50 CEST.
ISOT 5/13/2026 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 13.05.2026 16:15 CEST due to system maintenance until 13.05.2026 20:00 CEST. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISZO 5/13/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (14.05.2026 - 14.05.2026) was published on the ISZO portal.
ISZO 5/13/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 14.05.2026 - 14.05.2026 was closed.
ISOT 5/13/2026 (IDA_JOINT_07): IDA Partial Decoupling Others
Due to technical reasons or market issues, the following VB are decoupled from the IDA auction 1

OMIE
ISOT 5/13/2026 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 5/13/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 5/13/2026 Evaluation of imbalance and RE was published for 12.05.2026 - 12.05.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (12.05.2026 - 12.05.2026) was published on the ISZO portal.
ISOT 5/13/2026 IDM: (IDCT_NEMO_25): Configuration change without impact on XBID System Administration
Please be aware, a configuration change will take place on XBID System on13.05.2026 from 09:00 CET until 09:45 CET.
It is expected there will be no impact on XBID or its services during this time.
To allow market participants to mitigate their risk appropriately, we would like to inform you beforehand that should unforeseen technical issues arise in the process, the market will be halted.
ISZO 5/12/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (13.05.2026 - 13.05.2026) was published on the ISZO portal.
ISZO 5/12/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 13.05.2026 - 13.05.2026 was closed.
ISOT 5/12/2026 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 13.05.2026 16:15 CET due to system maintenance until 13.05.2026 20:00 CET. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISOT 5/12/2026 SDAC_UMM_01a: Delay in final Market Coupling Results publication Short term market results
The Market Coupling process is delayed due to technical reasons or market issues.

Therefore, the publication of the final Market Coupling Results is delayed.
ISOT 5/12/2026 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 5/12/2026 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 5/12/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 5/12/2026 Evaluation of imbalance and RE was published Supply/Demand balance
Monthly evaluation of imbalance and RE for the time (01.04.2026 - 30.04.2026) was published on the ISZO portal.
ISZO 5/12/2026 Evaluation of imbalance and RE was published for 11.05.2026 - 11.05.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (11.05.2026 - 11.05.2026) was published on the ISZO portal.
ISZO 5/11/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (12.05.2026 - 12.05.2026) was published on the ISZO portal.
ISZO 5/11/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 12.05.2026 - 12.05.2026 was closed.
ISOT 5/11/2026 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 5/11/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 5/11/2026 Evaluation of imbalance and RE was published for 10.05.2026 - 10.05.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (10.05.2026 - 10.05.2026) was published on the ISZO portal.
ISOT 5/11/2026 IDM: (IDCT_NEMO_25): Configuration change without impact on XBID System Market participants
Please be aware, a configuration change will take place on XBID System on 13.05.2026 from 09:00 CET until 09:45 CET. It is expected there will be no impact on XBID or its services during this time.
To allow market participants to mitigate their risk appropriately, we would like to inform you beforehand that should unforeseen technical issues arise in the process, the market will be halted.
ISZO 5/10/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (11.05.2026 - 11.05.2026) was published on the ISZO portal.
ISZO 5/10/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 11.05.2026 - 11.05.2026 was closed.
ISOT 5/10/2026 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 5/10/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 5/10/2026 Evaluation of imbalance and RE was published for 09.05.2026 - 09.05.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (09.05.2026 - 09.05.2026) was published on the ISZO portal.
ISZO 5/9/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (10.05.2026 - 11.05.2026) was published on the ISZO portal.
ISZO 5/9/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 10.05.2026 - 11.05.2026 was closed.
ISOT 5/9/2026 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 5/9/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 5/9/2026 Evaluation of imbalance and RE was published for 08.05.2026 - 08.05.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (08.05.2026 - 08.05.2026) was published on the ISZO portal.
ISOT 5/9/2026 IDM: (IDCT_NEMO_02): Cross border trading service startup Administration
The technical issue is solved, the Cross border trading will start on 9.5.2026 09:00 CET for continuous trading. Please be awared that deactivated orders will NOT be automatically reactivated.
ISOT 5/9/2026 IDM: (IDCT_NEMO_01): Cross border trading service halt Administration
Please be aware that the service is on hold from 9.5.2026 08:10 CET due to technical issues. All active orders were deactivated.
Another message will be sent as soon as the Cross border trading will startup again.
ISZO 5/8/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (09.05.2026 - 11.05.2026) was published on the ISZO portal.
ISZO 5/8/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 09.05.2026 - 11.05.2026 was closed.
ISOT 5/8/2026 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 5/8/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 5/8/2026 Evaluation of imbalance and RE was published for 07.05.2026 - 07.05.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (07.05.2026 - 07.05.2026) was published on the ISZO portal.
ISOT 5/7/2026 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 13.05.2026 16:15 CET due to system maintenance until 13.05.2026 20:00 CET. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISZO 5/7/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (08.05.2026 - 08.05.2026) was published on the ISZO portal.
ISZO 5/7/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 08.05.2026 - 08.05.2026 was closed.
ISOT 5/7/2026 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 5/7/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 5/7/2026 Evaluation of imbalance and RE was published for 06.05.2026 - 06.05.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (06.05.2026 - 06.05.2026) was published on the ISZO portal.
ISZO 5/6/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (07.05.2026 - 07.05.2026) was published on the ISZO portal.
ISZO 5/6/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 07.05.2026 - 07.05.2026 was closed.
ISOT 5/6/2026 (IDA_JOINT_07): IDA Partial Decoupling Others
Due to technical reasons or market issues, the following VB are decoupled from the IDA auction 1 06.05.2026:
• OMIE (ES, PT)