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        An overview of how the SEMOpx electricity markets operate and the timelines they work on.

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        Market related documentation and Trading & Technical documentation.

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        SEMOpx is governed by a set of rules and operating procedures that set out the obligations on Exchange Members and process for trading on the exchange.

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        Latest approved SEMOpx Rules, Procedures and any approved Modifications.

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        Modifications to the SEMOpx Rules.

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        To trade on SEMOpx Day-Ahead and Intraday Markets you need to complete the application process

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  1. SEMOpx-Operating-Procedures-Glossary.pdf

    19/10/2022

    Portable Document Format (PDF) pdf 94.7 kB

     Download
  2. SEMOpx-Operating-Procedures_IDADecouplingchanges.pdf

    19/10/2022

    Portable Document Format (PDF) pdf 669.1 kB

     Download
  3. SPX_06_22IDAFullDecouplingScenariosChanges.pdf

    13/10/2022

    Portable Document Format (PDF) pdf 292.1 kB

     Download
  4. SEMOpx SCO Simulation Runsheet - Contingency

    11/10/2022

    Portable Document Format (PDF) pdf 194.9 kB

     Download
  5. SCO Project Closure Report

    07/10/2022

    Portable Document Format (PDF) pdf 365.3 kB

     Download
  6. SCO Analysis Summary

    07/10/2022

    Spreadsheet xlsx 34.4 kB

     Download
  7. SEMOpx ETS (3.6.5) API Package

    06/10/2022

    XML Document zip 4.0 MB

     Download
  8. ETS Trader Client Guide for SEMOpx (3.6.5)

    06/10/2022

    Portable Document Format (PDF) pdf 6.3 MB

     Download
  9. SEMOpx ETS client (3.6.5)

    06/10/2022

    XML Document zip 31.6 MB

     Download
  10. SEMOpx Client Installation (3.6.5)

    06/10/2022

    Portable Document Format (PDF) pdf 4.4 MB

     Download
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Semo Logo

SEMOpx Power Exchange 2023

Republic of Ireland

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

Northern Ireland

Castlereagh House, 12 Manse Road, Belfast, BT6 9RT.
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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
  • News
  • Glossary
  • About SEMOpx
  • Privacy Statement
  • Cookies
  • Disclaimer
  • Web Accessibility
  • Site Map