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Home_Energy_Markets_Title
Electricity Markets
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Electricity Markets Messages
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Athens, 17/05/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1
with delivery date 18-05-2026 was cancelled.
Athens, 22/04/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA3
with delivery date 22-04-2026 was cancelled.
Athens, 21/04/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA2
with delivery date 22-04-2026 was cancelled.
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.
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Home_Gas_Markets_Title
Natural Gas Trading Platform
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Home_Market_Messages_GAS
Natural Gas Trading Platform Messages
Asset Publisher
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.
Call Auction on 04.05.2026 , 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]: | 05.05.2026 |
| Product Code: | GRGD260505 |
| Balancing Gas Quantity: | 4.000.000 kWh |
| Side: | Buy |
| Auction Date and Time: | 04.05.2026 , 21:00 EET |
The Order Book will remain open for thirty (30) minutes.
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Home_News_Announcements
News - Announcements
Asset Publisher
SIDC Nears 15-Minute Market Time Unit (MTU) Completion // Activation of Romanian Borders in Intraday Auctions
You can find more information here .
SDAC 15-Minute MTU Joint Member Testing Phase Information Package
We are excited to announce that the members’ testing phase of the 15-minute MTU will begin in April, marking a crucial step in our journey toward planned go-live on 11 June, with delivery date set for 12 June. During this phase, our focus will be on ensuring all systems are fully optimized and ready for seamless implementation. Testing will allow us to fine-tune processes, validate key scenarios and ensure everything is in place for a smooth launch.
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 € 17,150,453.31 for the calculation period February 2025.
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Exams/Seminars
Asset Publisher
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.
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Detailed information about the cookies we use, can be found in our cookies policy.