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Electricity Markets
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Electricity Markets Messages
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Athens, 30/12/2025
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1
with delivery date 31-12-2025 was cancelled.
Athens, 09/12/2025
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1
with delivery date 10-12-2025 was cancelled.
Athens, 29/11/2025
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1
with delivery date 30-11-2025 was cancelled.
Athens, 24/11/2025
Waiver for Market Maker obligations
HEnEx informs the Members of the Derivatives Market that, following a relevant request by the Market Maker PPC S.A. due to technical issues, it is lifting the obligations for the provision of order pairs for all Series for which there was an obligation to provide binding bid–ask quotes for the Trading Day 24/11/2025.
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Natural Gas Trading Platform
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Natural Gas Trading Platform Messages
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Call Auction on 14.01.2026 , 22:00 EET
HEnEx would like to inform Market Participants about the Auction of Natural Gas Trading Platform with the following details:
| Delivery Date [Gas Day]: | 14.01.2026 |
| Product Code: | GRGD260114 |
| Balancing Gas Quantity: | 3.000.000 kWh |
| Side: | Buy |
| Auction Date and Time: | 14.01.2026 , 22:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 13.01.2026 , 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]: | 13.01.2026 |
| Product Code: | GRGD260113 |
| Balancing Gas Quantity: | 3.000.000 kWh |
| Side: | Buy |
| Auction Date and Time: | 13.01.2026 , 21:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 07.01.2026 , 19:00 EET
HEnEx would like to inform Market Participants about the Auction of Natural Gas Trading Platform with the following details:
| Delivery Date [Gas Day]: | 07.01.2026 |
| Product Code: | GRGD260107 |
| Balancing Gas Quantity: | 2.200.000 kWh |
| Side: | Sell |
| Auction Date and Time: | 07.01.2026 , 19:00 EET |
The Order Book will remain open for thirty (30) minutes.
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Home_News_Announcements
News - Announcements
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Clearing Fund amount for Balancing Market
EnExClear, as the Clearing Fund Administrator, in accordance with Part 8, Section 2.27, of Clearing Rulebook for Balancing Market Positions, announces that the Balancing Market Clearing Fund is set at € 53,426,111.52 for the calculation period October - December 2025.
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 €11,404,508.80 for the calculation period December 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 € 1,764,174.21 for the calculation period December 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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