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Electricity Markets

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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.

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Historical Figures, can be found here.

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Natural Gas Trading Platform

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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.

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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 € 2,503,435.81 for the calculation period June 2025.

New Functionalities in the Natural Gas Trading Platform (NGTP)

Following the announcement by RAEWW, HEnEx announces the integration of two new functionalities into the Natural Gas Trading Platform (NGTP). Specifically:

  1. Introduction of a Special Participant in the NGTP
    A new category of Participant is now eligible to participate in the NGTP. This Participant is not a Transmission User but is contractually linked with a Transmission User.
  2. Procurement of Offsetting Gas by DESFA via the NGTP
    The functionality enabling the procurement of offsetting gas for the National Natural Gas Transmission System, as well as for the operational needs of the Liquefied Natural Gas (LNG) Facility, by the Hellenic Gas Transmission System Operator (DESFA) through the NGTP, is now activated. This new feature serves the need for more efficient coverage of the System’s operational gas requirements through the organized market.
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 17th June 2025. The registration form can be found here.

Showing 58 to 60 of 332 entries.

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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.