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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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      • Market Data

        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
  • Training
      • 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
Spreadsheet Provisional Auction Results T-4 2024- 2025 10/02/2021 10/02/2021
Spreadsheet Final Qualification-Decisions T-4 2024-2025 10/02/2021 10/02/2021
Portable Document Format (PDF) 2223T-4 Capacity Market_Capacity Termination Notice_PY_000030 ESB 04/02/2021 18/02/2021
Portable Document Format (PDF) 2021T-1 Capacity Market_Capacity Termination Notice_PY_000088 EnerNoc 04/02/2021 05/02/2021
Portable Document Format (PDF) 2021T-1 Capacity Market_Capacity Termination Notice_PY_000194 Ronaver 04/02/2021 05/02/2021
Portable Document Format (PDF) Manual Offer Guide 15/01/2021 15/01/2021
Spreadsheet Manual Offer Form 15/01/2021 15/01/2021
Portable Document Format (PDF) CAT2223T-1 - 2022 2023 T-1 Capacity Auction Timetable 22/12/2020 22/12/2020
Portable Document Format (PDF) PLFF Methodology and Values 2021 17/12/2020 17/12/2020
Portable Document Format (PDF) Auction QA Session T-4 24_25 15/12/2020 15/12/2020
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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