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Electricity Markets
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Electricity Markets Messages
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Athens, 02/06/2025
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1 was cancelled.
Athens, 16/05/2025
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA2 was cancelled.
Athens, 20/04/2025
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1 was cancelled.
Athens, 18/03/2025
Technical Issue Resolved - Energy Derivatives
Please be informed that the technical issue occurred on 17.03.2025 has been resolved. The trading session of Financial Energy Market (Energy Derivatives) on Tuesday, March 18, will proceed as scheduled.
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Home_Gas_Markets_Title
Natural Gas Trading Platform
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Natural Gas Trading Platform Messages
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Call Auction on 18.06.2025 , 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]: | 18.06.2025 |
Product Code: | GRGD250618 |
Balancing Gas Quantity: | 3.000.000 kWh |
Side: | Buy |
Auction Date and Time: | 18.06.2025 , 20:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 17.06.2025 , 21:00 EET
HEnEx would like to inform Market Participants about the Auction of Natural Gas Trading Platform with the following details:
Delivery Date [Gas Day]: | 17.06.2025 |
Product Code: | GRGD250617 |
Balancing Gas Quantity: | 2.500.000 kWh |
Side: | Buy |
Auction Date and Time: | 17.06.2025 , 21:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 14.06.2025 , 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]: | 14.06.2025 |
Product Code: | GRGD250614 |
Balancing Gas Quantity: | 3.000.000 kWh |
Side: | Buy |
Auction Date and Time: | 14.06.2025 , 20:00 EET |
The Order Book will remain open for thirty (30) minutes.
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News - Announcements
Asset Publisher
New Functionalities in the Natural Gas Trading Platform (NGTP)
Following the announcement by RAEWW, HEnEx announces the integration of two new functionalities into the Natural Gas Trading Platform (NGTP). Specifically:
- Introduction of a Special Participant in the NGTP
A new category of Participant is now eligible to participate in the NGTP. This Participant is not a Transmission User but is contractually linked with a Transmission User. - Procurement of Offsetting Gas by DESFA via the NGTP
The functionality enabling the procurement of offsetting gas for the National Natural Gas Transmission System, as well as for the operational needs of the Liquefied Natural Gas (LNG) Facility, by the Hellenic Gas Transmission System Operator (DESFA) through the NGTP, is now activated. This new feature serves the need for more efficient coverage of the System’s operational gas requirements through the organized market.
Registration for “HEnEx Energy Derivatives Traders Seminar: Derivatives Market”
The Hellenic Energy Exchange invites all the interested parties to “HEnEx Energy Derivatives Traders Seminar: Derivatives Market”, which will take place on 17th June 2025. The registration form can be found here.
Clearing Fund amount for Day-Ahead & Intraday Markets
EnExClear, as the Clearing Fund Administrator, in accordance with Part 8, Section 2.27, of Clearing Rulebook for Transactions on Day-Ahead & Intraday Markets, announces that the Day-Ahead & Intraday Markets Clearing Fund is set at € 9,428,044.03 for the calculation period May 2025.
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Exams/Seminars
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Registration for “HEnEx Energy Derivatives Traders Seminar: Derivatives Market”
The Hellenic Energy Exchange invites all the interested parties to “HEnEx Energy Derivatives Traders Seminar: Derivatives Market”, which will take place on 17th June 2025. The registration form can be found here.
HEnEx's “Energy Trader Certification - Derivatives (ETC-D)” Exam Invitation
HEnEx invites all interested parties to “Energy Trader Certification - Derivatives (ETC-D)” Exam, which will take place on 19th June 2025. The registration form can be found here.
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.
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