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

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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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        Modifications to the SEMOpx Rules.

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  1. SEMOpx information ETS 3.6.5

    10/01/2023

    Portable Document Format (PDF) pdf 531.3 kB

     Download
  2. December 2022 Market Report

    03/01/2023

    Portable Document Format (PDF) pdf 192.0 kB

     Download
  3. SEMOpx ETS 3.6.5 API Package

    03/01/2023

    XML Document zip 3.9 MB

     Download
  4. SEM-GB Decoupling training session with Market Participant 16th January 2023 Information package V0.1

    21/12/2022

    Portable Document Format (PDF) pdf 697.6 kB

     Download
  5. SEM-GB procedural changes

    20/12/2022

    Portable Document Format (PDF) pdf 243.9 kB

     Download
  6. SEM GB Decoupling training session with Market Participant January 16th 2023 Common invitation

    06/12/2022

    Portable Document Format (PDF) pdf 159.5 kB

     Download
  7. November 2022 Market Report

    02/12/2022

    Portable Document Format (PDF) pdf 165.7 kB

     Download
  8. SEMOpx Auction Timings and Market-Messages v4.0

    29/11/2022

    Portable Document Format (PDF) pdf 521.1 kB

     Download
  9. 28.11.2022-ECC Clearing Circular No.45 Emission Expiry DEC22 and End of Year 2022 Processes

    28/11/2022

    Portable Document Format (PDF) pdf 116.4 kB

     Download
  10. SEMOpx Auction Timings and Market Messages v3.0

    25/11/2022

    Portable Document Format (PDF) pdf 520.4 kB

     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