Notifications

System Date Subject Category
ISOT 9/23/2026 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 24.09.2026 17:15 CEST due to system maintenance until 24.09.2026 21:00 CEST. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISOT 9/23/2026 (IDA_JOINT_07): IDA Partial Decoupling Others
Due to technical reasons or market issues, the following VB are decoupled from the IDA 1 auction:

EPEX – IDA (NL, BE, FR, DE/LU, AT, PL, NO, SE, FI, DK, EE, LI, LT)
EPEX – BSP – CORE IDA (SI)
EPEX – HUPX – CORE IDA (HU)
OTE (CZ)
EMCO – Nord Pool IDA Nordic Baltic (NO, SE, FL, DK, LT, LI, EE)
EMCO – Nord Pool IDA Core (NL, BE, FR, DE/LU, AT, PL)
EMCO – IBEX – IDA (BG)
EMCO – CROPEX – IDA (HR)
EMCO – BRM IDA (RO)
OKTE (SK)
OPCOM (RO)
TGE – Poland – IDA (PL)
OMIE (ES, PT)
ISZO 9/23/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (24.09.2026 - 24.09.2026) was published on the ISZO portal.
ISZO 9/23/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 24.09.2026 - 24.09.2026 was closed.
ISOT 9/23/2026 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 9/23/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/23/2026 Evaluation of imbalance and RE was published for 22.09.2026 - 22.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (22.09.2026 - 22.09.2026) was published on the ISZO portal.
ISOT 9/23/2026 IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) Administration
The ČEPS–SEPS Interconnector will be (re)opened at 01:00 CEST on 23 september 2026.
ISOT 9/22/2026 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 9/22/2026 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 22.09.2026 21:30 CET.
ISOT 9/22/2026 IDM: (SIDC_TSO_01): XBID Delay in opening of Interconnector(s) Market participants
Please be aware that the opening of the SEPS (SEPS-CEPS, SEPS-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.
ISOT 9/22/2026 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 22.09.2026 17:15 CET due to system maintenance until 22.09.2026 21:00 CET. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISZO 9/22/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (23.09.2026 - 23.09.2026) was published on the ISZO portal.
ISZO 9/22/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 23.09.2026 - 23.09.2026 was closed.
ISOT 9/22/2026 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 9/22/2026 IDM: (IDCT_NEMO_07): Maintenance on XBID System Administration
Please be aware that a maintenance on XBID is planned from 29.09.2026 11:00 CEST until 29.09.2026 13:30 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 9/22/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/22/2026 Evaluation of imbalance and RE was published for 21.09.2026 - 21.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (21.09.2026 - 21.09.2026) was published on the ISZO portal.
ISOT 9/22/2026 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 22.9.2026 18:15 CET due to system maintenance until 22.9.2026 21:30 CET. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISOT 9/21/2026 (IDA_JOINT_08): Delay in IDA Results publication Market participants
Please be aware that the publication of the IDA Results for IDA 2 auction is delayed until further notice.
The IDA Results will be published as soon as they are available.
ISZO 9/21/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (22.09.2026 - 22.09.2026) was published on the ISZO portal.
ISZO 9/21/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 22.09.2026 - 22.09.2026 was closed.
ISOT 9/21/2026 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 9/21/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISOT 9/21/2026 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 22.09.2026 17:15 CET due to system maintenance until 22.09.2026 21:00 CET. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISZO 9/21/2026 Evaluation of imbalance and RE was published for 20.09.2026 - 20.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (20.09.2026 - 20.09.2026) was published on the ISZO portal.
ISZO 9/20/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (21.09.2026 - 21.09.2026) was published on the ISZO portal.
ISZO 9/20/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 21.09.2026 - 21.09.2026 was closed.
ISOT 9/20/2026 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 9/20/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/20/2026 Evaluation of imbalance and RE was published for 19.09.2026 - 19.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (19.09.2026 - 19.09.2026) was published on the ISZO portal.
ISZO 9/19/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (20.09.2026 - 21.09.2026) was published on the ISZO portal.
ISZO 9/19/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 20.09.2026 - 21.09.2026 was closed.
ISOT 9/19/2026 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 9/19/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/19/2026 Evaluation of imbalance and RE was published for 18.09.2026 - 18.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (18.09.2026 - 18.09.2026) was published on the ISZO portal.
ISZO 9/18/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (19.09.2026 - 21.09.2026) was published on the ISZO portal.
ISZO 9/18/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 19.09.2026 - 21.09.2026 was closed.
ISOT 9/18/2026 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 9/18/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.
ISZO 9/18/2026 Evaluation of imbalance and RE was published for 17.09.2026 - 17.09.2026 Supply/Demand balance
Preliminary daily evaluation of imbalance and RE for the time (17.09.2026 - 17.09.2026) was published on the ISZO portal.
ISOT 9/17/2026 IDM: (SIDC_TSO_02): XBID (Re)Opening of Interconnector(s) Administration
The maintenance has finished. The MAVIR (MAVIR-APG, MAVIR-SEPS, MAVIR-TEL, MAVIR-HOPS, MAVIR-ELES) Interconnector is (re)opened at 17.09.2026 20:03 CEST.
ISOT 9/17/2026 IDM: (SIDC_TSO_03): XBID Ex ante information on closing of Interconnector(s) Administration
The MAVIR (MAVIR-APG, MAVIR-SEPS, MAVIR-TEL, MAVIR-HOPS, MAVIR-ELES) Interconnector WILL BE CLOSED from 17.09.2026 19:15 CEST due to system maintenance. No capacity allocation will be possible.
Another message will be sent before re-opening.
ISZO 9/17/2026 Off-take and supply balance was published Others
Off-take and supply balance for the trading day (18.09.2026 - 18.09.2026) was published on the ISZO portal.
ISOT 9/17/2026 (IDA_JOINT_07): IDA Partial Decoupling Others
Due to technical reasons or market issues, the following VB are decoupled from the IDA auction 17.9.2026:
EPEX – IDA (NL, BE, FR, DE/LU, AT, PL, NO, SE, FI, DK, EE, LI, LT)
EPEX – BSP – CORE IDA (SI)
EPEX – HUPX – CORE IDA (HU)
OTE (CZ)
EMCO – Nord Pool IDA Nordic Baltic (NO, SE, FL, DK, LT, LI, EE)
EMCO – Nord Pool IDA Core (NL, BE, FR, DE/LU, AT, PL)
EMCO – IBEX – IDA (BG)
EMCO – CROPEX – IDA (HR)
EMCO – BRM IDA (RO)
OKTE (SK)
OPCOM (RO)
TGE – Poland – IDA (PL)
OMIE (ES, PT)
ISZO 9/17/2026 Registration closure of daily diagrams Daily diagram reception
Registration of daily diagrams for the trading day 18.09.2026 - 18.09.2026 was closed.
ISOT 9/17/2026 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 9/17/2026 SDAC_ExC_02a: Delay in preliminary Market Coupling Results publication Short term market results
Please be aware that the publication of the preliminary 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.

Further information can be found in the Fallback Manual that is published on the websites of NEMO Committee(https://www.nemo-committee.eu/assets/files/sdac-fallback-manual.pdf) and ENTSO-E(https://eepublicdownloads.blob.core.windows.net/public-cdn-container/clean-documents/Network%20codes%20documents/NC%20CACM/SDAC%202025/SDAC_Fallback_Manual.pdf).
ISOT 9/17/2026 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 24.09.2026 17:15 CET due to system maintenance until 24.09.2026 21:00 CET.
No capacity allocation will be possible.
Another message will be sent before re-opening.
ISOT 9/17/2026 Deadline for orders to the Short Term Market
Was performed Deadline for orders for next business day.