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Electricity Markets
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Electricity Markets Messages
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Athens, 15/04/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA2
with delivery date 16-04-2026 was cancelled.
Athens, 15/04/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1
with delivery date 16-04-2026 was cancelled.
Athens, 01/04/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA3
with delivery date 01-04-2026 was cancelled.
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.
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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 18.04.2026 , 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]: | 19.04.2026 |
| Product Code: | GRGD260419 |
| Balancing Gas Quantity: | 3.000.000 kWh |
| Side: | Sell |
| Auction Date and Time: | 18.04.2026 , 19:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 18.04.2026 , 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]: | 18.04.2026 |
| Product Code: | GRGD260418 |
| Balancing Gas Quantity: | 5.000.000 kWh |
| Side: | Sell |
| Auction Date and Time: | 18.04.2026 , 19:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 17.04.2026 , 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]: | 18.04.2026 |
| Product Code: | GRGD260418 |
| Balancing Gas Quantity: | 3.000.000 kWh |
| Side: | Sell |
| Auction Date and Time: | 17.04.2026 , 19:00 EET |
The Order Book will remain open for thirty (30) minutes.
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Home_News_Announcements
News - Announcements
Asset Publisher
The Hellenic Energy Exchange in the Single European Electricity Market
Athens, 03 January 2022 – EnExGroup's CEO Prof. George Ioannou answers the questions of bankingnews.gr, clarifying the role of the Energy Exchange in shaping the daily picture of the energy market, recognizing the emergence of rising costs in the wholesale and retail markets. Check the full interview here.
Amendment of Decision 5 “Electricity Futures Contract Specifications in the Financial Energy Market (Derivatives Market) of HEnEx”.
Athens, 27 December 2021 – HEnEx announces the modification of the Daily Price Fluctuation Limits, which are now set to ±60% of the Starting Price for all Contacts and Delivery Durations of the Derivatives Market, effective from Trading Day 28/12/2021. For more details, please refer to Decision 5 that can be found here.
Achievements of 2021 and the next steps for EnExGroup for 2022
Athens, 23 December 2021 – EnExGroup's CEO Prof. George Ioannou presents the achievemens of 2021 and the next steps for 2022 concentrating on the start-up of the EnExGroup GAS Trading Platform. Check the full article in the energypress tribute for the challenges, fears and expectations for 2022 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 19th March 2026. 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 17th March 2026. The registration form can be found here.
Introduction of Energy Storage in HEnEx Day Ahead & Intra-Day Markets
The Hellenic Energy Exchange invites all interested parties to a workshop, which will take place online on 19th February 2026. The scope of the workshop is to present integration of Energy Storage into the HEnEx Day Ahead & Intra-Day Markets.
The registration form can be found here.
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