Notifications
| System | Date | Subject | Category | |
|---|---|---|---|---|
| ISOT | 12/3/2025 | IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) | Market participants | |
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The technical issue is solved. The 50HzT-PSEPLC, CEPS-PSEPLC, SEPS-PSEPLC, LT-PSEPLC, PSEPLC-SE4, PLC-PSE Interconnector was reopened at 03.12.2025 at 02:30 CET.
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| ISOT | 12/2/2025 | IDM: (SIDC_TSO_04): XBID Ex post information on closing of Interconnector(s) | Market participants | |
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No capacity can be allocated anymore for the 50HzT-PSEPLC, CEPS-PSEPLC, SEPS-PSEPLC, LT-PSEPLC, PSEPLC-SE4, PLC-PSE Interconnector due to technical issues until further notice.
Another message will be sent as soon as the Interconnector will be re-opened. |
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| ISZO | 12/2/2025 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (03.12.2025 - 03.12.2025) was published on the ISZO portal.
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| ISZO | 12/2/2025 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 03.12.2025 - 03.12.2025 was closed.
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| ISOT | 12/2/2025 | 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 | 12/2/2025 | IDM: (SIDC_TSO_03): XBID Ex ante information on closing of Interconnector(s) | Market participants | |
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The 50HzT-PSEPLC, CEPS-PSEPLC,SEPS-PSEPLC, LT-PSEPLC, PSEPLC-SE4, PLC-PSE Interconnector WILL BE CLOSED on 03.12.2025 17:55 CET due to system maintenance until 03.12.2025 20:30 CET. No capacity allocation will be possible.
Another message will be sent before re-opening. |
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| ISOT | 12/2/2025 | 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 | 12/2/2025 | Evaluation of imbalance and RE was published for 01.12.2025 - 01.12.2025 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (01.12.2025 - 01.12.2025) was published on the ISZO portal.
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| ISOT | 12/2/2025 | IDM: (IDCT_NEMO_02): Cross border trading service startup | Market participants | |
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The technical issue is solved, the Cross border trading will start on 2.12.2025 2:00 CET for continuous trading. Please be awared that deactivated orders will NOT be automatically reactivated.
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| ISOT | 12/2/2025 | IDM: (IDCT_NEMO_01): Cross border trading service halt | Market participants | |
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Please be aware that the service is on hold from 2.12.2025 1:01 CET due to external technical issues. All active orders were deactivated.
Another message will be sent as soon as the Cross border trading will startup again. |
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| ISOT | 12/1/2025 | IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) | Market participants | |
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The system maintenance is finished. The interconnectors of SEPS (SEPS-CEPS, SEPS-MAVIR, SEPS-PLC) are/will be (re)opened at 01.12.2025 19:10 CET.
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| ISOT | 12/1/2025 | IDM: (SIDC_TSO_04): XBID Ex post information on closing of Interconnector(s) | Market participants | |
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No capacity can be allocated anymore for the SEPS (SEPS-CEPS, SEPS-MAVIR, SEPS-PLC) Interconnector due to technical issues until further notice.
Another message will be sent as soon as the Interconnector will be re-opened. |
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| ISZO | 12/1/2025 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (02.12.2025 - 02.12.2025) was published on the ISZO portal.
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| ISZO | 12/1/2025 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 02.12.2025 - 02.12.2025 was closed.
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| ISOT | 12/1/2025 | 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 | 12/1/2025 | IDM: (IDCT_NEMO_08): Finish of maintenance on XBID System | Market participants | |
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Please be aware that the maintenance on XBID System is successfully finished. The Cross Border Trading is re-opened on 01.12.2025 12:50 CET for continuous trading. Please be aware that deactivated orders will NOT be automatically reactivated.
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| ISOT | 12/1/2025 | 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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| ISOT | 12/1/2025 | IDM: (IDCT_NEMO_07): Maintenance on XBID System | Market participants | |
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Update:
Please be aware that a maintenance on XBID is planned from 01.12.2025 11:00 CET until 01.12.2025 13:30 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. Only local matching will be available for Slovak market area during this period. |
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| ISZO | 12/1/2025 | Evaluation of imbalance and RE was published for 30.11.2025 - 30.11.2025 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (30.11.2025 - 30.11.2025) was published on the ISZO portal.
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| ISZO | 12/1/2025 | Evaluation of imbalance and RE was published for 26.11.2025 - 26.11.2025 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (26.11.2025 - 26.11.2025) was published on the ISZO portal.
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| ISOT | 12/1/2025 | IDM: (IDCT_NEMO_07): Maintenance on XBID System | Market participants | |
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Please be aware that a maintenance on XBID is planned from 01.12.2025 11:00 CET until 01.12.2025 12:00 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. |
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| ISZO | 11/30/2025 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (01.12.2025 - 01.12.2025) was published on the ISZO portal.
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| ISZO | 11/30/2025 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 01.12.2025 - 01.12.2025 was closed.
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| ISOT | 11/30/2025 | 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 | 11/30/2025 | 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 | 11/30/2025 | Evaluation of imbalance and RE was published for 29.11.2025 - 29.11.2025 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (29.11.2025 - 29.11.2025) was published on the ISZO portal.
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| ISZO | 11/29/2025 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (30.11.2025 - 01.12.2025) was published on the ISZO portal.
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| ISZO | 11/29/2025 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 30.11.2025 - 01.12.2025 was closed.
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| ISOT | 11/29/2025 | (IDA_JOINT_09): IDA Cancelation | Market participants | |
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Due to technical reasons or market issues, the IDA auction IDA1 DD 20251130 was cancelled.
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| ISOT | 11/29/2025 | 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 | 11/29/2025 | 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 | 11/29/2025 | Evaluation of imbalance and RE was published for 28.11.2025 - 28.11.2025 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (28.11.2025 - 28.11.2025) was published on the ISZO portal.
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| ISZO | 11/28/2025 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (29.11.2025 - 01.12.2025) was published on the ISZO portal.
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| ISZO | 11/28/2025 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 29.11.2025 - 01.12.2025 was closed.
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| ISOT | 11/28/2025 | 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 | 11/28/2025 | 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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| ISOT | 11/28/2025 | IDM: (IDCT_NEMO_08): Finish of maintenance on XBID System | Market participants | |
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Please be aware that the maintenance on XBID System is successfully finished. The Cross Border Trading is re-opened on 28.11.2025 11:45 CET for continuous trading. Please be aware that deactivated orders will NOT be automatically reactivated.
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| ISZO | 11/28/2025 | Evaluation of imbalance and RE was published for 27.11.2025 - 27.11.2025 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (27.11.2025 - 27.11.2025) was published on the ISZO portal.
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| ISOT | 11/28/2025 | IDM: (IDCT_NEMO_07): Maintenance on XBID System | Market participants | |
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Please be aware that a maintenance on XBID is planned from 28.11.2025 11:00 CET do 28.11.2025 11:45 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. |
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| ISOT | 11/27/2025 | IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) | Market participants | |
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The system maintenance is finished. The interconnectors of SEPS (SEPS-CEPS, SEPS-MAVIR, SEPS-PLC) will be (re)opened at 27.11.2025 21:30 CET.
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| ISOT | 11/27/2025 | IDM: (SIDC_TSO_01): XBID Delay in opening of Interconnector(s) | Market participants | |
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Please be aware that the opening of the SEPS(SEPS-CEPS, SPES-MAVIR, SEPS-PLC) Interconnector is delayed until further notice. The Interconnector will be opened as soon as possible.
Another message will be sent before opening. |
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| ISOT | 11/27/2025 | IDM: (SIDC_TSO_03): XBID Ex ante information on closing of Interconnector(s) | Market participants | |
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The SEPS (SEPS-CEPS, SEPS-MAVIR, SEPS-PLC) Interconnector WILL BE CLOSED on 27.11.2025 18:15 CET due to system maintenance until 27.11.2025 21:00 CET. No capacity allocation will be possible.
Another message will be sent before re-opening. |
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| ISZO | 11/27/2025 | Off-take and supply balance was published | Others | |
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Off-take and supply balance for the trading day (28.11.2025 - 28.11.2025) was published on the ISZO portal.
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| ISZO | 11/27/2025 | Registration closure of daily diagrams | Daily diagram reception | |
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Registration of daily diagrams for the trading day 28.11.2025 - 28.11.2025 was closed.
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| ISOT | 11/27/2025 | 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 | 11/27/2025 | 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 | 11/27/2025 | Evaluation of imbalance and RE was published | Supply/Demand balance | |
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Final evaluation of imbalance and RE for the time (01.09.2025 - 30.09.2025) was published on the ISZO portal.
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| ISZO | 11/27/2025 | Evaluation of imbalance and RE was published for 26.11.2025 - 26.11.2025 | Supply/Demand balance | |
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Preliminary daily evaluation of imbalance and RE for the time (26.11.2025 - 26.11.2025) was published on the ISZO portal.
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| ISOT | 11/27/2025 | IDM: (IDCT_NEMO_07): Maintenance on XBID System | Market participants | |
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Please be aware that a maintenance on XBID is planned from 01.12.2025 11:00 CET until 01.12.2025 12:00 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. Only local matching will be available for Slovak market area during this period. |
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| ISOT | 11/26/2025 | (IDA_JOINT_08): Delay in IDA Results publication | Market participants | |
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Please be aware that the publication of the IDA Results for IDA 2 auction DD20251127 is delayed until further notice.
The IDA Results will be published as soon as they are available. |
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