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Electricity Markets

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Electricity Markets Messages

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Athens, 15/07/2025
SIDC Intraday Auction: IDA Cancellation

Due to technical reasons or market issues, the auction IDA2 
with delivery date 16-07-2025 was cancelled.

Athens, 02/06/2025
SIDC Intraday Auction: IDA Cancellation

Due to technical reasons or market issues, the auction IDA1 
with delivery date 03-06-2025 was cancelled.

Athens, 16/05/2025
SIDC Intraday Auction: IDA Cancellation

Due to technical reasons or market issues, the auction IDA2 
with delivery date 17-05-2025 was cancelled.

Athens, 20/04/2025
SIDC Intraday Auction: IDA Cancellation

Due to technical reasons or market issues, the auction IDA1 
with delivery date 21-04-2025 was cancelled.   

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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

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Call Auction on 20.09.2025 , 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]: 21.09.2025
Product Code: GRGD250921
Balancing Gas Quantity: 3.000.000 kWh
Side: Sell
Auction Date and Time: 20.09.2025 , 20:00 EET

The Order Book will remain open for thirty (30) minutes.

Call Auction on 20.09.2025 , 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]: 20.09.2025
Product Code: GRGD250920
Balancing Gas Quantity: 3.000.000 kWh
Side: Sell
Auction Date and Time: 20.09.2025 , 20:00 EET

The Order Book will remain open for thirty (30) minutes.

Call Auction on 19.09.2025 , 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]: 19.09.2025
Product Code: GRGD250919
Balancing Gas Quantity: 2.000.000 kWh
Side: Sell
Auction Date and Time: 19.09.2025 , 20:00 EET

The Order Book will remain open for thirty (30) minutes.

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News - Announcements

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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

Successful implementation of 15-Minute MTU in the Greek Bidding Zone and on its Border in SIDC

The Single Intraday Coupling (SIDC) parties are pleased to announce the successful extension of the 15-minute Market Time Unit (MTU) to the Greek bidding zone and its bidding zone border, effective as of 30 September 2025

SIDC Press release can be found 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 19th November 2025.

The registration form can be found here.

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Exams/Seminars

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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 19th November 2025.

The registration form can be found here.

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 26th November 2025.

Please find the registration form, here

HEnEx's "Energy Trader Certification - Gas (ETC-G)" Exam Invitation

HEnEx invites all the interested parties to “Energy Trader Certification - Gas (ETC-G) Exam”, which will take place on 18th September 2025. The registration form can be found here

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Cookies Policy

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Detailed information about the cookies we use, can be found in our cookies policy.