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Electricity Markets
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Electricity Markets Messages
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Athens, 03/02/2025
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA2 was cancelled.
Athens, 22/01/2025
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA3 was cancelled.
Athens, 09/12/2024
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1 was cancelled.
Athens, 29/11/2024
Waiver for Market Maker obligations
HEnEx informs the Members of the Derivatives Market, that it will waive the market making obligations for submitting quotes for trading series GREPM 0125 due to technical issues.
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Home_Gas_Markets_Title
Natural Gas Trading Platform
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Home_Market_Messages_GAS
Natural Gas Trading Platform Messages
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Call Auction on 10.03.2025 , 20:00 EET
HEnEx would like to inform Market Participants about the Auction of Natural Gas Trading Platform with the following details:
| Delivery Date [Gas Day]: | 10.03.2025 |
| Product Code: | GRGD250310 |
| Balancing Gas Quantity: | 4.000.000 kWh |
| Side: | Sell |
| Auction Date and Time: | 10.03.2025 , 20:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 09.03.2025 , 23:00 EET
HEnEx would like to inform Market Participants about the Auction of Natural Gas Trading Platform with the following details:
| Delivery Date [Gas Day]: | 10.03.2025 |
| Product Code: | GRGD250310 |
| Balancing Gas Quantity: | 8.000.000 kWh |
| Side: | Sell |
| Auction Date and Time: | 09.03.2025 , 23:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 09.03.2025 , 20:00 EET
HEnEx would like to inform Market Participants about the Auction of Natural Gas Trading Platform with the following details:
| Delivery Date [Gas Day]: | 09.03.2025 |
| Product Code: | GRGD250309 |
| Balancing Gas Quantity: | 8.000.000 kWh |
| Side: | Sell |
| Auction Date and Time: | 09.03.2025 , 20:00 EET |
The Order Book will remain open for thirty (30) minutes.
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Home_News_Announcements
News - Announcements
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26, 27 and 30 November: HEnEx member tests for Single Day Ahead Coupling (SDAC)
HEnEx organizes member tests for Single Day-Ahead Coupling (SDAC).
Detailed information can be found, here.
Registration for “HEnEx Energy Traders Seminar: Day-Ahead & Intra-Day Markets”
The Hellenic Energy Exchange invites all the interested parties to “HEnEx Energy Traders Seminar: Day-Ahead & Intra-Day Markets”, which will take place on 25th November 2020. The registration form can be found here.
Study material for training seminars and exams for the “Energy Trader Certificate (ETC)"
According to the relevant provisions of the Day-Ahead & Intra-Day Markets Trading Rulebook and Decision 2 "Professional competence of Participants’ Certified Energy Traders participating in the Day-Ahead & Intra-Day Market of HEnEx", and following the relevant approval of the Examination Committee, the Hellenic Energy Exchange announces the following:
Study material for training seminars and exams for the “Energy Trader Certificate (ETC)”
- Day-Ahead & Intra-Day Markets Trading Rulebook
- Decision 1, "Procedure for Acquiring the Participant capacity, Participant resignation and other issues regarding Participants in HEnEx Day-Ahead and Intra-Day Market"
- Decision 2, "Professional competence of Participants’ Certified Energy Traders participating in the Day-Ahead & Intra-Day Market of HEnEx"
- Decision 3, "Special Terms on Cancellation of Orders and/or Trades in the the DayAhead Market and Intra-Day Market Auctions"
- Decision 4,"Registration of Energy Financial Instruments and other energy wholesale products with physical delivery obligation"
- Decision 5, "Transforming the quantities and information of the HTS Operator in a Market Time Unit of the HEnEx's Markets"
- Decision 6,"Calculation, pricing and settlement procedures concerning the fees and charges of section 3.12, as well as the Non-Compliance Charges of the sections and sub-sections 4.4.2 and 6.8"
- Decision 7, "Emergency trading procedures in HEnEx Day-Ahead and Intra-Day Markets"
- Decision 8,"Maximum and Minimum Day-Ahead and Intra-Day Market Order Prices"
- Decision 9,"Technical issues on conversation files"
- Decision 10, "Timeline Procedures for the Day-Ahead and Intra-Day Market"
- RAE Decision - 867/2020
- RAE Decision - 868/2020
- RAE Decision - 1229/2020
- RAE Decision - 1456/2020
- RAE Decision - 945/2020
- RAE Decision - 947/2020
- RAE Decision - 949/2020
- RAE Decision - 1008Α/2020
The Rulebook and the relevant Decisions can be found, here.
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Exams/Seminars
Asset Publisher
HEnEx's “Energy Trader Certification - Electricity (ETC-E)” Exam Invitation
HEnEx invites all interested parties to “Energy Trader Certification - Electricity (ETC-E)” Exam, which will take place on 20th March 2025. The registration form can be found here.
Registration for “HEnEx Energy Traders Seminar: Day-Ahead & Intra-Day Markets”
The Hellenic Energy Exchange invites all the interested parties to “HEnEx Energy Traders Seminar: Day-Ahead & Intra-Day Markets”, which will take place on 18th March 2025. The registration form can be found here.
EnExClear, "Energy Clearer Certificate (ECC)" Exam Invitation
The EnExClear S.A. invites all the interested parties to “Energy Clearer Certificate (ECC)” Exam, which will take place on December 5, 2024.
Please find the registration form, here.
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Detailed information about the cookies we use, can be found in our cookies policy.