Notifications

System Date Subject Category
ISZO 8/22/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (23.08.2026 - 24.08.2026) was published on the ISZO portal.
ISZO 8/22/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 23.08.2026 - 24.08.2026 was closed.
ISOT 8/22/2026 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 8/22/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 8/22/2026 Evaluation of imbalance and RE was published for 21.08.2026 - 21.08.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (21.08.2026 - 21.08.2026) was published on the ISZO portal.
ISZO 8/21/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (22.08.2026 - 24.08.2026) was published on the ISZO portal.
ISZO 8/21/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 22.08.2026 - 24.08.2026 was closed.
ISOT 8/21/2026 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 8/21/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 8/21/2026 Evaluation of imbalance and RE was published for 20.08.2026 - 20.08.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (20.08.2026 - 20.08.2026) was published on the ISZO portal.
ISZO 8/20/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (21.08.2026 - 21.08.2026) was published on the ISZO portal.
ISZO 8/20/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 21.08.2026 - 21.08.2026 was closed.
ISOT 8/20/2026 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 8/20/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 8/20/2026 Evaluation of imbalance and RE was published for 19.08.2026 - 19.08.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (19.08.2026 - 19.08.2026) was published on the ISZO portal.
ISOT 8/20/2026 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 WILL BE CLOSED on 27.08.2026 17:55 CEST due to system maintenance until 27.08.2026 21:30 CEST. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISZO 8/19/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (20.08.2026 - 20.08.2026) was published on the ISZO portal.
ISZO 8/19/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 20.08.2026 - 20.08.2026 was closed.
ISOT 8/19/2026 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 8/19/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 8/19/2026 Evaluation of imbalance and RE was published for 18.08.2026 - 18.08.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (18.08.2026 - 18.08.2026) was published on the ISZO portal.
ISOT 8/18/2026 (IDA_JOINT_09): IDA Cancelation Market participants
Due to technical reasons or market issues, the IDA 1 auction was cancelled.
ISZO 8/18/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (19.08.2026 - 19.08.2026) was published on the ISZO portal.
ISZO 8/18/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 19.08.2026 - 19.08.2026 was closed.
ISOT 8/18/2026 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 8/18/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 8/18/2026 Evaluation of imbalance and RE was published for 17.08.2026 - 17.08.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (17.08.2026 - 17.08.2026) was published on the ISZO portal.
ISOT 8/18/2026 IDM: (SIDC_TSO_03): XBID Ex ante information on closing of Interconnector(s) Administration
The ČEPS–50Hertz, ČEPS–APG, ČEPS–PSEPLC and ČEPS–SEPS Interconnector WILL BE CLOSED on 25.8.2026 17:55 CEST due to system maintenance until 21:30 CEST. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISOT 8/17/2026 (IDA_JOINT_07): IDA Partial Decoupling Others
Due to technical reasons or market issues, the following VB are decoupled from the IDA auction 2

OMIE (ES, PT)
ISZO 8/17/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (18.08.2026 - 18.08.2026) was published on the ISZO portal.
ISZO 8/17/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 18.08.2026 - 18.08.2026 was closed.
ISOT 8/17/2026 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 8/17/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 8/17/2026 Evaluation of imbalance and RE was published for 16.08.2026 - 16.08.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (16.08.2026 - 16.08.2026) was published on the ISZO portal.
ISZO 8/16/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (17.08.2026 - 17.08.2026) was published on the ISZO portal.
ISZO 8/16/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 17.08.2026 - 17.08.2026 was closed.
ISOT 8/16/2026 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 8/16/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 8/16/2026 Evaluation of imbalance and RE was published for 15.08.2026 - 15.08.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (15.08.2026 - 15.08.2026) was published on the ISZO portal.
ISZO 8/15/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (16.08.2026 - 17.08.2026) was published on the ISZO portal.
ISZO 8/15/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 16.08.2026 - 17.08.2026 was closed.
ISOT 8/15/2026 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 8/15/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 8/15/2026 Evaluation of imbalance and RE was published for 14.08.2026 - 14.08.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (14.08.2026 - 14.08.2026) was published on the ISZO portal.
ISOT 8/15/2026 IDM: (IDCT_NEMO_02): Cross border trading service startup Administration
The technical issue is solved, the Cross border trading will start on 15.08.2026 09:55 CET for continuous trading. Please be awared that deactivated orders will NOT be automatically reactivated.
ISOT 8/15/2026 IDM is halted Market participants
Due to technical issue IDM is halted until further notice.
ISZO 8/14/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (15.08.2026 - 17.08.2026) was published on the ISZO portal.
ISZO 8/14/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 15.08.2026 - 17.08.2026 was closed.
ISOT 8/14/2026 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 8/14/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.