System Margins Outlook Report 19.06

19 June 2023

The System Margins Outlook Report will be published every Monday and Friday, excluding bank holidays. The report will provide market participants with information on the anticipated availability of dispatchable generation capacity to meet peak demand each day over the week ahead; the average and lower confidence renewables forecast; and the availability of the East-West Interconnector and the Moyle Interconnector with Great Britain to support trades - should these be required to meet power system requirements when renewable and dispatchable generation are inadequate.

Historical Monthly & Quarterly DD Summary Report

19 June 2023

Historical Monthly & Quarterly DD Summary Report

Wind Dispatch Down 2011 to Date

19 June 2023

Historical Wind Dispatch Down (Constraint and Curtailment) Percentages in Northern Ireland and Ireland

SONI Transmission Outage Summary 2023 (Week 25/26)

16 June 2023

Summary of the SONI Transmission Outages over the next two weeks

Proposed 2023/24 Transmission Loss Adjustment Factors (TLAFs) Accompanying Note

16 June 2023

This explanatory paper has been prepared by the Transmission System Operators (TSOs) to accompany the proposed Transmission Loss Adjustment Factors (TLAFs) which have been calculated by the TSOs, based on the approved TLAF methodology (SEM-12-049), for 2023/24 (1st October 2023 to 30th September 2024). TLAFs for interconnectors under the revised SEM arrangements are detailed in the I-SEM Interconnector Losses Information Paper published 2nd June 2017.

2023/24 Proposed TLAFs Excel Version

16 June 2023

Proposed Transmission Loss Adjustment Factors (TLAFs) which have been calculated by the TSOs, based on the approved TLAF methodology (SEM-12-049), for 2023/24 (1st October 2023 to 30th September 2024). TLAFs for interconnectors under the revised SEM arrangements are detailed in the I-SEM Interconnector Losses Information Paper published 2nd June 2017.

2023/24 Proposed TLAFs PDF Version

16 June 2023

Proposed Transmission Loss Adjustment Factors (TLAFs) which have been calculated by the TSOs, based on the approved TLAF methodology (SEM-12-049), for 2023/24 (1st October 2023 to 30th September 2024). TLAFs for interconnectors under the revised SEM arrangements are detailed in the I-SEM Interconnector Losses Information Paper published 2nd June 2017.

System Margins Outlook Report 16.06

16 June 2023

The System Margins Outlook Report will be published every Monday and Friday, excluding bank holidays. The report will provide market participants with information on the anticipated availability of dispatchable generation capacity to meet peak demand each day over the week ahead; the average and lower confidence renewables forecast; and the availability of the East-West Interconnector and the Moyle Interconnector with Great Britain to support trades - should these be required to meet power system requirements when renewable and dispatchable generation are inadequate.

System Margins Outlook Report 12.06.23

12 June 2023

The System Margins Outlook Report will be published every Monday and Friday, excluding bank holidays. The report will provide market participants with information on the anticipated availability of dispatchable generation capacity to meet peak demand each day over the week ahead; the average and lower confidence renewables forecast; and the availability of the East-West Interconnector and the Moyle Interconnector with Great Britain to support trades - should these be required to meet power system requirements when renewable and dispatchable generation are inadequate.

SONI Transmission Outage Summary 2023 (Week 24-25)

09 June 2023

The next two weeks of transmission outages