Home_Energy_Markets_Title
Electricity Markets
Home_Market_Messages
Electricity Markets Messages
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.
Athens, 04/08/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1
with delivery date 05-08-2026 was cancelled.
Athens, 03/08/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1
with delivery date 04-08-2026 was cancelled.
Athens, 15/07/2026
SIDC Intraday Auction: IDA Cancellation
Due to technical reasons or market issues, the auction IDA1
with delivery date 16-07-2026 was cancelled.
Showing 1 to 4 of 67 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 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.
Showing 1 to 2 of 811 entries.
Home_News_Announcements
News - Announcements
MCSC - SDAC Fallback manual available
The Market Coupling Steering Committee (MCSC) published the Single Day-Ahead Coupling (SDAC) fallback manual, including Normal Day and Delay Situations, applicable as of 30 September 2025.
MCSC - SDAC Fallback manual can be found here.
Market Coupling Steering Committee confirms go-live of 15-Minute MTU in SDAC on trading day 30 September 2025 for delivery day 1 October 2025
Following the announcement made on 14 May 2025 regarding the revised go-live date for the 15-minute Market Time Unit (MTU) in the Single Day-Ahead Coupling (SDAC), project parties are pleased to confirm that full readiness has now been successfully achieved. Go-live is therefore scheduled for 30 September 2025 (trading day) for delivery day 1 October 2025.
SDAC press release can be found here.
XBID system: completion of extended maintenance
Unscheduled downtime on the XBID system, Saturday 6 September 2025 temporarily affecting system availability due to XBID service provider issues.
SIDC Press release can be found here.
Showing 55 to 57 of 341 entries.
Home_Events
Exams/Seminars
Registration for “HEnEx Energy Traders - Gas Seminar: Natural Gas Trading Platform”
The Hellenic Energy Exchange invites all the interested parties to “HEnEx Energy Traders - Gas Seminar: Natural Gas Trading Platform”, which will take place on 15th September 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.
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.
Showing 1 to 3 of 71 entries.