Announcements

Regarding STP Upgrades

Dear Valued Participants;

Many improvements and upgrades have been made on the STP based on your feedback. Details regarding three of them are presented below for your information.

Notification of STP Announcements via SMS and E-MAIL

Our Market Participants will be able to receive notifications regarding the announcements we make on STP via SMS (only subject header) and E-MAIL (subject header and content text). For this, they are simply required to tick the relevant box in the EKYS Participant Communication Preferences menu.

SMS Matching Notification

After the inclusion of Weekly Contracts to the market products, for the purpose of facilitating the monitoring of our participants and preventing any possible confusion, it was ensured that the Matching Notifications (SMS) contain more information. New notifications will be based on the template “The ……  quantity of your order in the  ……  direction with the code …… in the  ……  contract owned by your organization was matched with the price of  …… .”

Order CANCELLATION After the Session in Weekly Contracts

Orders given by the Users in Weekly Contracts, which could not find a match until the closing time of the session, can now be CANCELLED during the period where the session is “pending” (after 16:00). For this, the order selected from the table on Home Page \ My Orders or My Orders & Matches \ List can now be switched to CANCEL status.

ELECTRICITY MARKET ANNOUNCEMENTS

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Date Title Category
12.05.2026 Kurban Bayramı Holiday Collateral Calculation Announcements Collateral Electricity Market
11.05.2026 April 2026 Electricity Market Settlement Notification Control Announcements Electricity Market Registration and Settlement
08.05.2026 April 2026 Organized YEK-G Settlement Notice Announcements Environmental Market Registration and Settlement YEK-G
06.05.2026 May 19 Commemoration of Atatürk, Youth and Sports Day Holiday Colleteral Calculation Announcements Collateral Market
05.05.2026 The Prices To Be Applied For The Power Plants Commissioned Between 01.07.2021 And 31.12.2030 That Rely On Renewable Energy Sources With RES Certificate Announcements Electricity Market Registration and Settlement
21.04.2026 1 May Labor and Solidarity Day Holiday Collateral Calculation Announcements Collateral Market
16.04.2026 April 23 National Sovereignty and Children’s Day Collateral Calculation Announcements Collateral Market
15.04.2026 March 2026 Electricity Market Settlement Notice Announcements Electricity Market Registration and Settlement
15.04.2026 March 2026 Futures Electricity Market Settlement Notice Announcements EFM Electricity Market
11.04.2026 March 2026 Electricity Market Meter Data Uploads and Pre-Settlement Notification Announcements Electricity Market Registration and Settlement
16.03.2026 February 2026 Electricity Market Settlement Notice Announcements Electricity Registration and Settlement
16.03.2026 February 2026 Futures Electricity Market Settlement Notice Announcements EFM Electricity Kayıt ve Uzlaştırma Market
10.03.2026 Ramazan Bayramı (Feast of Ramadan) Holiday Collateral Calculation Collateral Electricity
06.03.2026 February 2026 Organized YEK-G Settlement Notice Announcements Electricity Environmental Kayıt ve Uzlaştırma Market
04.03.2026 The Prices To Be Applied For The Power Plants Commissioned Between 01.07.2021 And 31.12.2030 That Rely On Renewable Energy Sources With RES Certificate Announcements Electricity Market Registration and Settlement
16.02.2026 January 2026 Electricity Market Settlement Notice Electricity Market Registration and Settlement
16.02.2026 January 2026 Futures Electricity Market Settlement Notice Electricity Market Registration and Settlement
06.02.2026 January 2026 Organized YEK-G Settlement Notice Electricity Environmental Registration and Settlement YEK-G
02.02.2026 The Prices To Be Applied For The Power Plants Commissioned Between 01.07.2021 And 31.12.2030 That Rely On Renewable Energy Sources With RES Certificate Electricity Environmental Registration and Settlement
15.01.2026 December 2025 Ancillary Services Market Settlement Notice Ancillary Services Market Electricity Market Registration and Settlement
15.01.2026 December 2025 Electricity Market Settlement Notice Electricity Market Registration and Settlement
15.01.2026 December 2025 Futures Electricity Market Settlement Notice EFM Electricity Market Registration and Settlement
11.01.2026 December 2025 Electricity Market Settlement Notification Control Electricity Market Registration and Settlement
08.01.2026 December 2025 Organized YEK-G Settlement Notice Electricity Environmental Market Registration and Settlement YEK-G
02.01.2026 The Prices To Be Applied For The Power Plants Commissioned Between 01.07.2021 And 31.12.2030 That Rely On Renewable Energy Sources With RES Certificate Electricity Environmental Market
18.12.2025 Regional Seasonality Coefficients (January – June 2026) Electricity Market
16.12.2025 November 2025 Ancillary Services Market Settlement Notice Ancillary Services Market Electricity Market Registration and Settlement
15.12.2025 November 2025 Electricity Market Settlement Notice Electricity Market Registration and Settlement
15.12.2025 November 2025 Futures Electricity Market Settlement Notice EFM Electricity Market Registration and Settlement
12.12.2025 January 1 Holiday Collateral Calculation Collateral Electricity Market

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