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Electricity Markets
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Electricity Markets Messages
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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.
Athens, 17/03/2025
Technical Issue Notification - Energy Derivatives
Please be informed that due to a technical malfunction the HEnEx Trading System in Financial Energy Market (Energy Derivatives) will be suspended. A new announcement will be sent as soon as the problem is resolved.
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Natural Gas Trading Platform
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Natural Gas Trading Platform Messages
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Call Auction on 11.05.2025 , 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]: | 11.05.2025 |
| Product Code: | GRGD250511 |
| Balancing Gas Quantity: | 4.000.000 kWh |
| Side: | Sell |
| Auction Date and Time: | 11.05.2025 , 20:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 05.05.2025 , 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]: | 05.05.2025 |
| Product Code: | GRGD250505 |
| Balancing Gas Quantity: | 4.000.000 kWh |
| Side: | Buy |
| Auction Date and Time: | 05.05.2025 , 20:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 23.04.2025 , 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]: | 23.04.2025 |
| Product Code: | GRGD250423 |
| Balancing Gas Quantity: | 3.300.000 kWh |
| Side: | Sell |
| Auction Date and Time: | 23.04.2025 , 20:00 EET |
The Order Book will remain open for thirty (30) minutes.
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News - Announcements
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Market Coupling Steering Committee Aligns on Revised Go-live Date for 15-minute MTU in SDAC
Go-Live Rescheduled from 11 June to 30 September 2025
You can find more information 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 € 12,701,284.24 for the calculation period April 2025.
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 € 1,448,236.33 for the calculation period April 2025.
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Energy Traders Certification (ETC) Exam Invitation
Τhe Hellenic Energy Exchange invites all the interested parties to “Energy Traders Certification (ETC) Exam”, which will take place on Thursday 25th Feb 2021.
Please find the registration form, 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.
Extension of Single Day-Ahead Coupling (SDAC) to Greece – Go-live planned for 15 December 2020
A further step towards an integrated European power market.
Press release PDF
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