Home_Energy_Markets_Title
Electricity Markets
Home_Market_Messages
Electricity Markets Messages
Athens, 07/10/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1
with delivery date 08-10-2026 was cancelled.
Athens, 26/08/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA2
with delivery date 27-08-2026 was cancelled.
Athens, 18/08/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1
with delivery date 19-08-2026 was cancelled.
Athens, 06/08/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1
with delivery date 07-08-2026 was cancelled.
Showing 1 to 4 of 70 entries.
historic_charts_link
Historical Figures, can be found here.
Home_Gas_Markets_Title
Natural Gas Trading Platform
Home_Market_Messages_GAS
Natural Gas Trading Platform Messages
Call Auction on 08.10.2026 , 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]: | 08.10.2026 |
| Product Code: | GRGD261008 |
| Balancing Gas Quantity: | 3.750.000 kWh |
| Side: | Buy |
| Auction Date and Time: | 08.10.2026 , 20:00 EET |
The Order Book will remain open for thirty (30) minutes.
Call Auction on 24.07.2026 , 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]: | 24.07.2026 |
| Product Code: | GRGD260724 |
| Balancing Gas Quantity: | 2.626.000 kWh |
| Side: | Sell |
| Auction Date and Time: | 24.07.2026 , 21:00 EET |
The Order Book will remain open for thirty (30) minutes.
Showing 1 to 2 of 814 entries.
Home_News_Announcements
News - Announcements
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 € 1,337,985.65 for the calculation period October 2025.
Access of Independent Software Vendors (ISVs) to HEnEx’s ETSS Test Environment
HEnEx hereby grants Independent Software Vendors (ISVs) the ability to access the ETSS test environment using the API of an existing Market Participant for the development and configuration of algorithmic trading solutions.
Press release can be found here
Successful Implementation of 15-Minute Market Time Unit (MTU) in SDAC
The SDAC parties are pleased to confirm that the 15-minute MTU in the Single Day-Ahead Coupling (SDAC) has successfully gone live on 30 September 2025, for delivery day 1 October 2025.
SDAC Press release can be found here
Showing 52 to 54 of 349 entries.
Home_Events
Exams/Seminars
EnExClear, Energy Clearer Certificate (ECC) Exam Invitation
The EnExClear S.A. invites all the interested parties to “Energy Clearer Certificate (ECC) Exam”, which will take place on 18th November 2026.
Please find the registration form, here.
Energy Spot Markets Clearing & Risk Management Seminar
EnExClear invites all interested parties to “Energy Spot Markets Clearing, Risk Management Seminar”, which will take place on 11th November 2026.
The registration form can be found here.
Energy Trader Certificate - Gas (ETCG) Exam Invitation
Τhe Hellenic Energy Exchange invites all the interested parties to “Energy Trader Certificate - Gas (ETCG) Exam”, which will take place on 17th September 2026.
Please find the registration form, here.
Showing 1 to 3 of 72 entries.