Notifications

System Date Subject Category
ISOT 9/12/2026 IDM: (IDCT_NEMO_08): Finish of maintenance on XBID System Administration
Please be aware that the maintenance on XBID System is successfully finished. The Cross Border Trading is re-opened on 12.9.2026 20:55CET for continuous trading. Please be aware that deactivated orders will NOT be automatically reactivated.
ISOT 9/12/2026 IDM: (IDCT_NEMO_01): Cross border trading service halt Administration
Please be aware that the service is on hold from 12.9.2026 20:00 CET due to emergency maintenance of XBID. All active orders were deactivated.
Another message will be sent as soon as the Cross border trading will startup again.
ISOT 9/12/2026 IDM: (IDCT_NEMO_07): Maintenance on XBID System Administration
Please be aware that a emergency maintenance on XBID is planned from 12.9.2026 20:00 CET until 12.9.2026 21:00 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.
ISZO 9/12/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (13.09.2026 - 14.09.2026) was published on the ISZO portal.
ISZO 9/12/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 13.09.2026 - 14.09.2026 was closed.
ISOT 9/12/2026 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 9/12/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/12/2026 Evaluation of imbalance and RE was published for 11.09.2026 - 11.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (11.09.2026 - 11.09.2026) was published on the ISZO portal.
ISOT 9/12/2026 IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) Administration
The technical issue is solved. The ČEPS–50Hertz, ČEPS–APG, ČEPS–PSEPLC and ČEPS–SEPS Interconnector were (re)opened at 12.09.2026 01:50 CET.
ISOT 9/12/2026 IDM: (IDCT_NEMO_02): Cross border trading service startup Administration
The technical issue is solved, the Cross border trading will start on 12.09.2026 01:45 CET for continuous trading. Please be awared that deactivated orders will NOT be automatically reactivated.
ISOT 9/11/2026 IDM: (SIDC_TSO_04): XBID Ex post information on closing of Interconnector(s) Administration
No capacity can be allocated anymore for the ČEPS–50Hertz, ČEPS–APG, ČEPS–PSEPLC and ČEPS–SEPS Interconnector due to technical issues until further notice.
Another message will be sent as soon as the Interconnector will be re-opened.
ISOT 9/11/2026 IDM: (IDCT_NEMO_01): Cross border trading service halt Administration
Please be aware that the service is on hold 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 9/11/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (12.09.2026 - 14.09.2026) was published on the ISZO portal.
ISZO 9/11/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 12.09.2026 - 14.09.2026 was closed.
ISOT 9/11/2026 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 9/11/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/11/2026 Evaluation of imbalance and RE was published Supply/Demand balance
Monthly evaluation of imbalance and RE for the time (01.08.2026 - 31.08.2026) was published on the ISZO portal.
ISZO 9/11/2026 Evaluation of imbalance and RE was published for 10.09.2026 - 10.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (10.09.2026 - 10.09.2026) was published on the ISZO portal.
ISZO 9/10/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (11.09.2026 - 11.09.2026) was published on the ISZO portal.
ISZO 9/10/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 11.09.2026 - 11.09.2026 was closed.
ISOT 9/10/2026 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 9/10/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/10/2026 Evaluation of imbalance and RE was published for 09.09.2026 - 09.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (09.09.2026 - 09.09.2026) was published on the ISZO portal.
ISZO 9/9/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (10.09.2026 - 10.09.2026) was published on the ISZO portal.
ISZO 9/9/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 10.09.2026 - 10.09.2026 was closed.
ISOT 9/9/2026 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 9/9/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/9/2026 Evaluation of imbalance and RE was published for 08.09.2026 - 08.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (08.09.2026 - 08.09.2026) was published on the ISZO portal.
ISOT 9/9/2026 IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) Administration
The technical issue is solved.The ČEPS–50Hertz, ČEPS–APG, ČEPS–PSEPLC and ČEPS–SEPS Interconnector is (re)opened at 06:05 CEST on 09:09.2026.
ISOT 9/9/2026 IDM: (SIDC_TSO_03): XBID Ex ante information on closing of Interconnector(s) Administration
The ČEPS–50Hertz, ČEPS–APG, ČEPS–PSEPLC and ČEPS–SEPS Interconnectors are closed from 05:29 9 September 2026 due to technical issues until further notice. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISOT 9/8/2026 IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) Administration
The maintenance has finished. The SEPS (SEPS-CEPS, SEPS-MAVIR, SEPS-PLC) Interconnector will be (re)opened at 08.09.2026 21:00 CET.
ISOT 9/8/2026 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 08.09.2026 17:15 CET due to system maintenance until 08.09.2026 21:00 CET. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISZO 9/8/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (09.09.2026 - 09.09.2026) was published on the ISZO portal.
ISZO 9/8/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 09.09.2026 - 09.09.2026 was closed.
ISOT 9/8/2026 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 9/8/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/8/2026 Evaluation of imbalance and RE was published for 07.09.2026 - 07.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (07.09.2026 - 07.09.2026) was published on the ISZO portal.
ISOT 9/7/2026 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 08.09.2026 17:15 CET due to system maintenance until 08.09.2026 21:00 CET. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISZO 9/7/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (08.09.2026 - 08.09.2026) was published on the ISZO portal.
ISZO 9/7/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 08.09.2026 - 08.09.2026 was closed.
ISOT 9/7/2026 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 9/7/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/7/2026 Evaluation of imbalance and RE was published for 06.09.2026 - 06.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (06.09.2026 - 06.09.2026) was published on the ISZO portal.
ISZO 9/6/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (07.09.2026 - 07.09.2026) was published on the ISZO portal.
ISZO 9/6/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 07.09.2026 - 07.09.2026 was closed.
ISOT 9/6/2026 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 9/6/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/6/2026 Evaluation of imbalance and RE was published for 05.09.2026 - 05.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (05.09.2026 - 05.09.2026) was published on the ISZO portal.
ISZO 9/5/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (06.09.2026 - 07.09.2026) was published on the ISZO portal.
ISZO 9/5/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 06.09.2026 - 07.09.2026 was closed.