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      • Markets

        Learn how the different electricity markets operate and timelines they work on.

      • Balancing Market

        The Balancing Market determines the imbalance settlement price for settlement of the TSO’s balancing actions.

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        • Joining the Balancing Market
      • Capacity Market

        The Capacity Market ensures there is adequate supply or load-management capacity on the grid.

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        • Joining the Capacity Market
        • Capacity Auction Timetable
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        View the full range of static and dynamic reports available to download.

      • Static Reports

        See libraries of flat file outputs created by the SEMO Central Market Systems.

      • Dynamic Reports

        View market data in online charts or download the data

      • Settlement Calendar

        Publication dates for settlement statements and documents, and due dates for payments in and out.

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  • Publications
      • Publications

        See market related documentation such as monthly and quarterly external reports, generator outages and meeting minutes.

      • General Publications
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  • Rules & Modifications
      • Rules & Modifications

        View all the information you might need on rules and modifications for the Balancing and Capacity Markets.

      • Balancing Market Modifications

        Modifications to the Balancing Market Trading and Settlement Code.

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        • Balancing Market Rules
        • Balancing Market Committee Members
        • Balancing Market Elections
        • Submit a Balancing Market Modification Proposal
      • Capacity Market Modifications

        Modifications to the Capacity Market Code.

        • Read More
        • Capacity Market Rules
        • Submit a Capacity Market Modification Proposal
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      • Training

        Training is intended to provide the learning materials that will help participants fulfil their role in the Markets.

      • Modules

        View the courses that you can currently take to learn about fulfilling your market obligations.

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        The library provides access to all of the self-learning and instructor-led training materials.

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  1. Home
  2. Publications
  3. General Publications

General Publications

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  • Capacity Market
  • Balancing Market
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  • Capacity Market
  • Balancing Market
TypeNameUploaded Amended CommentsStatus
Portable Document Format (PDF) T-4 2024-2025 Final Capacity Auction Results Report 12/03/2021 21/04/2022
Portable Document Format (PDF) T-4 2025-2026 Final Capacity Auction Results Report 06/05/2022 06/05/2022
Portable Document Format (PDF) Final Auction Information Pack FAIP2526T-4 v1.2 24/05/2022 24/05/2022 FAIP2526T-4 v1.2
Portable Document Format (PDF) AuctionReport_T-4_2526_REDACTED 23/05/2022 23/05/2022
Portable Document Format (PDF) Capacity Market - Final Capacity Auction Results Report_FCAR1819T-1 11/12/2018 23/06/2022
Portable Document Format (PDF) 24245T-3 Capacity Market Termination Notice PY_034111 Rhode Energy Storage 02/06/2022 02/06/2022
Spreadsheet Implementation Progress Report Template 20/04/2022 27/05/2022
Portable Document Format (PDF) T-4 2025-2026 Capacity Market Auction Overview 06/05/2022 06/05/2022
Portable Document Format (PDF) CAT2627T-4 - 2026 2027 T-4 Capacity Auction Timetable v2.0 03/05/2022 01/09/2022
Portable Document Format (PDF) Qualification-2026-2027 T-4 Capacity Auction Information Session 22/09/2022 22/09/2022
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Republic of Ireland

The Oval, 160 Shelbourne Road, Ballsbridge, Dublin 4, D04 FW28.

Northern Ireland

Castlereagh House, 12 Manse Road, Belfast, BT6 9RT.
  • Subscribe
  • Market Messages
  • Events
  • Links
  • About SEMO
  • Privacy Statement
  • Cookies
  • Disclaimer
  • Web Accessibility
  • Site Map