Notifications
| System | Date | Subject | Category | |
|---|---|---|---|---|
| ISOT | 8/3/2026 | (IDA_JOINT_09): IDA Cancelation | Others | |
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Due to technical reasons or market issues, the IDA 1 auction DD 04.08.2026 was cancelled.
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| ISOT | 8/3/2026 | (IDA_JOINT_08): Delay in IDA Results publication | Others | |
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Please be aware that the publication of the IDA Results for IDA 1 auction DD 04.08.2026 is delayed until further notice.
The IDA Results will be published as soon as they are available. |
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| ISZO | 8/3/2026 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (04.08.2026 - 04.08.2026) was published on the ISZO portal.
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| ISZO | 8/3/2026 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 04.08.2026 - 04.08.2026 was closed.
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| ISOT | 8/3/2026 | Matching results on the day-ahead market published | ||
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The results of matching on the day-ahead market for the next business day were published.
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| ISOT | 8/3/2026 | Deadline for orders to the Short Term Market | ||
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Was performed Deadline for orders for next business day.
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| ISZO | 8/3/2026 | Evaluation of imbalance and RE was published for 02.08.2026 - 02.08.2026 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (02.08.2026 - 02.08.2026) was published on the ISZO portal.
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| ISOT | 8/3/2026 | IDM: (IDCT_NEMO_07): Maintenance on XBID System | Administration | |
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Please be aware that a maintenance on XBID is planned on 04.08.2026 11:00 until 12:30 CEST. 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. Only local matching will be available for Slovak market area during this period. |
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| ISZO | 8/2/2026 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (03.08.2026 - 03.08.2026) was published on the ISZO portal.
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| ISZO | 8/2/2026 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 03.08.2026 - 03.08.2026 was closed.
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| ISOT | 8/2/2026 | Matching results on the day-ahead market published | ||
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The results of matching on the day-ahead market for the next business day were published.
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| ISOT | 8/2/2026 | Deadline for orders to the Short Term Market | ||
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Was performed Deadline for orders for next business day.
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| ISZO | 8/2/2026 | Evaluation of imbalance and RE was published for 01.08.2026 - 01.08.2026 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (01.08.2026 - 01.08.2026) was published on the ISZO portal.
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| ISZO | 8/1/2026 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (02.08.2026 - 03.08.2026) was published on the ISZO portal.
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| ISZO | 8/1/2026 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 02.08.2026 - 03.08.2026 was closed.
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| ISOT | 8/1/2026 | Matching results on the day-ahead market published | ||
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The results of matching on the day-ahead market for the next business day were published.
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| ISOT | 8/1/2026 | Deadline for orders to the Short Term Market | ||
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Was performed Deadline for orders for next business day.
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| ISZO | 8/1/2026 | Evaluation of imbalance and RE was published for 31.07.2026 - 31.07.2026 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (31.07.2026 - 31.07.2026) was published on the ISZO portal.
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| ISZO | 7/31/2026 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (01.08.2026 - 03.08.2026) was published on the ISZO portal.
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| ISZO | 7/31/2026 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 01.08.2026 - 03.08.2026 was closed.
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| ISOT | 7/31/2026 | Matching results on the day-ahead market published | ||
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The results of matching on the day-ahead market for the next business day were published.
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| ISOT | 7/31/2026 | Deadline for orders to the Short Term Market | ||
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Was performed Deadline for orders for next business day.
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| ISZO | 7/31/2026 | Evaluation of imbalance and RE was published for 30.07.2026 - 30.07.2026 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (30.07.2026 - 30.07.2026) was published on the ISZO portal.
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| ISZO | 7/30/2026 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (31.07.2026 - 31.07.2026) was published on the ISZO portal.
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| ISZO | 7/30/2026 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 31.07.2026 - 31.07.2026 was closed.
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| ISOT | 7/30/2026 | Matching results on the day-ahead market published | ||
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The results of matching on the day-ahead market for the next business day were published.
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| ISOT | 7/30/2026 | Deadline for orders to the Short Term Market | ||
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Was performed Deadline for orders for next business day.
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| ISZO | 7/30/2026 | Evaluation of imbalance and RE was published for 29.07.2026 - 29.07.2026 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (29.07.2026 - 29.07.2026) was published on the ISZO portal.
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| ISZO | 7/30/2026 | Evaluation of imbalance and RE was published | Supply/Demand balance | |
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Final evaluation of imbalance and RE for the time (01.05.2026 - 31.05.2026) was published on the ISZO portal.
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| ISZO | 7/29/2026 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (30.07.2026 - 30.07.2026) was published on the ISZO portal.
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| ISZO | 7/29/2026 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 30.07.2026 - 30.07.2026 was closed.
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| ISOT | 7/29/2026 | (IDA_JOINT_07): IDA Partial Decoupling | Others | |
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Due to technical reasons or market issues, the following VB are decoupled from the IDA auction 1 DD 30.07.2026:
OMIE |
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| ISOT | 7/29/2026 | Matching results on the day-ahead market published | ||
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The results of matching on the day-ahead market for the next business day were published.
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| ISOT | 7/29/2026 | Deadline for orders to the Short Term Market | ||
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Was performed Deadline for orders for next business day.
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| ISZO | 7/29/2026 | Evaluation of imbalance and RE was published for 28.07.2026 - 28.07.2026 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (28.07.2026 - 28.07.2026) was published on the ISZO portal.
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| ISOT | 7/28/2026 | IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) | Administration | |
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The maintenance has finished. The ČEPS–50Hertz, ČEPS–PSEPLC and ČEPS–SEPS Interconnector is (re)opened 28.07 2026 21:30 CET.
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| ISZO | 7/28/2026 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (29.07.2026 - 29.07.2026) was published on the ISZO portal.
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| ISZO | 7/28/2026 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 29.07.2026 - 29.07.2026 was closed.
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| ISOT | 7/28/2026 | Matching results on the day-ahead market published | ||
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The results of matching on the day-ahead market for the next business day were published.
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| ISOT | 7/28/2026 | Deadline for orders to the Short Term Market | ||
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Was performed Deadline for orders for next business day.
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| ISZO | 7/28/2026 | Evaluation of imbalance and RE was published for 27.07.2026 - 27.07.2026 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (27.07.2026 - 27.07.2026) was published on the ISZO portal.
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| ISOT | 7/28/2026 | IDM: (SIDC_TSO_03): XBID Ex ante information on closing of Interconnector(s) | Administration | |
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The CEPS-50H CEPS-APG CEPS-PSEPLC CEPS-SEPS Interconnector WILL BE CLOSED on 28.07.2026 17:55 CEST due to system maintenance until 28.07.2026 21:30 CEST. No capacity allocation will be possible.
Another message will be sent before re-opening. |
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| ISZO | 7/27/2026 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (28.07.2026 - 28.07.2026) was published on the ISZO portal.
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| ISZO | 7/27/2026 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 28.07.2026 - 28.07.2026 was closed.
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| ISOT | 7/27/2026 | IDM: (IDCT_NEMO_07): Maintenance on XBID System | Administration | |
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Please be aware that a maintenance on XBID is planned on 04.08.2026 11:00 until 12:30 CEST. 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. Only local matching will be available for Slovak market area during this period. |
||||
| ISOT | 7/27/2026 | Matching results on the day-ahead market published | ||
|
The results of matching on the day-ahead market for the next business day were published.
|
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| ISOT | 7/27/2026 | Deadline for orders to the Short Term Market | ||
|
Was performed Deadline for orders for next business day.
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| ISZO | 7/27/2026 | Evaluation of imbalance and RE was published for 26.07.2026 - 26.07.2026 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (26.07.2026 - 26.07.2026) was published on the ISZO portal.
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| ISZO | 7/26/2026 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (27.07.2026 - 27.07.2026) was published on the ISZO portal.
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| ISZO | 7/26/2026 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 27.07.2026 - 27.07.2026 was closed.
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