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Electricity Markets

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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.

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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

Gradual Phase-Out and Permanent Cessation of Trading of HEnEx Energy Financial Market Products

The Hellenic Energy Exchange (HEnEx), in its capacity as the operator of the Energy Financial Market (Derivatives Market), would like to inform its Members that it has been decided to gradually phase out the existing products of the Derivatives Market and permanently cease their trading. According to the current planning, this process is expected to be completed by the end of 2026.

Press release can be found here.

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

Showing 1 to 3 of 341 entries.

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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.