Notifications

System Date Subject Category
ISZO 5/17/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (18.05.2026 - 18.05.2026) was published on the ISZO portal.
ISZO 5/17/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 18.05.2026 - 18.05.2026 was closed.
ISOT 5/17/2026 (IDA_JOINT_09): IDA Cancelation Others
Due to technical reasons or market issues, the IDA 1 auction 17.05.2026 was cancelled.
ISOT 5/17/2026 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 5/17/2026 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 5/17/2026 SDAC_ExC_03b: Further delay of the Market Coupling Session Short term market results
Please be aware that th SDAC Market Coupling Session is delayed.
Therefore, the Market Coupling Session encounters a risk of Full Decoupling.

If the Final Market Coupling Results are still not available at 14:20, another message will be sent out in order to announce the Full Decoupling.
ISOT 5/17/2026 Cancellation of the Market Results Publication Others
Publication of the Market Results has been cancelled. Please wait for repeated publication of market results.
ISOT 5/17/2026 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 5/17/2026 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 5/17/2026 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 5/17/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 5/17/2026 Evaluation of imbalance and RE was published for 16.05.2026 - 16.05.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (16.05.2026 - 16.05.2026) was published on the ISZO portal.
ISZO 5/16/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (17.05.2026 - 18.05.2026) was published on the ISZO portal.
ISZO 5/16/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 17.05.2026 - 18.05.2026 was closed.
ISOT 5/16/2026 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 5/16/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 5/16/2026 Evaluation of imbalance and RE was published for 15.05.2026 - 15.05.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (15.05.2026 - 15.05.2026) was published on the ISZO portal.
ISZO 5/15/2026 Adjustment of the ZP coefficient Others
The ZP coefficient was adjusted for the month 6/2026 to value 1..
ISZO 5/15/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (16.05.2026 - 18.05.2026) was published on the ISZO portal.
ISZO 5/15/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 16.05.2026 - 18.05.2026 was closed.
ISOT 5/15/2026 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 5/15/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 5/15/2026 Evaluation of imbalance and RE was published for 14.05.2026 - 14.05.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (14.05.2026 - 14.05.2026) was published on the ISZO portal.
ISZO 5/14/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (15.05.2026 - 15.05.2026) was published on the ISZO portal.
ISZO 5/14/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 15.05.2026 - 15.05.2026 was closed.
ISOT 5/14/2026 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 5/14/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 5/14/2026 Evaluation of imbalance and RE was published for 13.05.2026 - 13.05.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (13.05.2026 - 13.05.2026) was published on the ISZO portal.
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.