Home_Energy_Markets_Title
Electricity Markets
Home_Market_Messages
Electricity Markets Messages
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.
Showing 1 to 4 of 62 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
HEnEx S.A. shareholders Annual Ordinary General Meeting (Financial year 2024)
Invitation to the shareholders of the Societe Anonyme "HEnEx S.A." to Annual Ordinary General Meeting (Financial year 2024)
Market Coupling Steering Committee Aligns on Revised Go-live Date for 15-minute MTU in SDAC
Go-Live Rescheduled from 11 June to 30 September 2025
You can find more information here .
Commitment to timely implementation of 15-minute Market Time Unit in Single Day-Ahead Coupling on 11th June 2025
The NEMOs subscribing to this note affirm their full readiness and commitment to proceed with the scheduled go-live of the 15-minute Market Time Unit (MTU) in the Single Day-Ahead Coupling (SDAC) on 11 June 2025 as jointly agreed among all participating Transmission System Operators and NEMOs.
You can find more information here .
Showing 64 to 66 of 332 entries.
Home_Events
Exams/Seminars
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.
Showing 1 to 3 of 69 entries.