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Electricity Markets
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Electricity Markets Messages
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.
Athens, 18/11/2024
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 all trading series due to technical issues.
Athens, 29/10/2024
DAY-AHEAD: Delay in publication of market coupling results
Please be aware that publication of market coupling results is delayed. Results will be published as soon as they are available.
We apologise for any inconvenience this may cause.
Athens, 29/10/2024
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1 was cancelled.
Showing 21 to 24 of 62 entries.
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Historical Figures, can be found here.
Home_Gas_Markets_Title
Natural Gas Trading Platform
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Natural Gas Trading Platform Messages
Call Auction on 21.05.2026 , 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]: | 21.05.2026 |
| Product Code: | GRGD260521 |
| Balancing Gas Quantity: | 2.600.000 kWh |
| Side: | Sell |
| Auction Date and Time: | 21.05.2026 , 20:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 07.05.2026 , 24:00 EET
HEnEx would like to inform Market Participants about the Auction of Natural Gas Trading Platform with the following details:
| Delivery Date [Gas Day]: | 07.05.2026 |
| Product Code: | GRGD260507 |
| Balancing Gas Quantity: | 4.000.000 kWh |
| Side: | Buy |
| Auction Date and Time: | 07.05.2026 , 24:00 EET |
The Order Book will remain open for thirty (30) minutes.
Showing 1 to 2 of 811 entries.
Home_News_Announcements
News - Announcements
EnExClear S.A. shareholders Annual Ordinary General Meeting
Invitation to the shareholders of the societe anonyme "EnEx CLEARING HOUSE SINGLE MEMBER S.A." to Annual Ordinary General Meeting.
HEnEx S.A. shareholders Annual Ordinary General Meeting
Invitation to the shareholders of the Societe Anonyme “Hellenic Energy Exchange S.A.” to Annual Ordinary General Meeting.
Clearing Fund amount for HEnEx's Natural Gas Trading Platform
EnExClear, as the Clearing Fund Administrator, in accordance with Part 8, Section 2.27, of Clearing Rulebook for Transactions on HEnEx’s Natural Gas Trading Platform, announces that the Natural Gas Trading Platform Clearing Fund is set at € 2,571,621.70 for the calculation period May 2026.
Showing 1 to 3 of 332 entries.
Home_Events
Exams/Seminars
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 18th June 2026. The registration form can be found here.
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 16th June 2026. 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 19th March 2026. The registration form can be found here.
Showing 1 to 3 of 69 entries.