Central European Winter Time Change
On Sunday October 26th, 2025, 3 AM CEST will change into 2 AM CET. ISOT On the trading day Sunday, 26 October 2025, there will be 25 trading periods for 60-minute products and 100 periods for ...
News
Commencement of the public consultation on change to the OKTE, a.s. Operation Order
OKTE, a.s. announces that on October 14th, 2025, a public consultation began, concerning the upcoming changes to the operational order of the short-term electricity market operator. Reason for changes ...
Successful Implementation of the 15MTU Project
OKTE, a.s., as a participating entity in the Single Day-Ahead Coupling (SDAC) project, is pleased to announce the successful implementation of the 15-minute market time unit within the framework of ...
Announcement of the MCCG Meeting – October 23, 2025
OKTE, a.s. would like to inform market participants about the upcoming online webinar of the Market Coupling Consultative Group (MCCG), which will take place on October 23, 2025. The aim of the MCCG ...
Change to the OKTE, a.s. Operation Order
On 07. 10. 2025, a change to the Operation Order of OKTE, a.s. was approved in proceeding initiated by Regulatory Office for Network Industries the on 01. 10. 2025, will take effect. The decision on ...
15-Minute MTU in SDAC was Implemented
The 15-minute Market Time Unit (MTU) in the Single Day-Ahead Coupling (SDAC) has been implemented across all European bidding zones and bidding zone borders on trading day 30th September 2025 for ...
Change in Publication of Day-Ahead Market Results
OKTE, a.s. announces that in connection with the introduction of the 15’ MTU project, the following changes will apply to the publication of day-ahead market results: What is changing? Number of ...
SDAC Fallback Manual
OKTE, a.s. informs market participants that the SDAC Fallback Manual (Single Day-Ahead Coupling) was recently published on OKTE website and is available here . Applicable as of September 30th, the ...
Information on the deployment of the 15MTU Project and new IDM functionalities
OKTE, a.s. informs about the upcoming deployment of the 15MTU project and the introduction of new products and functionalities in the VDT system. As of 30 September 2025, after 00:01 AM, the ISOT ...
Evaluation of the public consultation on Technical specification of the external interface v1.22
OKTE, a.s. announces that from September 12, 2025 to September 22, 2025 a public consultation was held concerning the Technical specification of the external interface v1.22. No market participant ...
Announcement of Extraordinary ISOT System Maintenance
OKTE, a.s. announces that on 25 September 2025 from 17:00 to 21:00 (CEST) an extraordinary maintenance of the ISOT system will take place. During this maintenance, intraday continuous trading will be ...
New OKTE, a.s. Operation Order (effective from September 30th 2025)
On 30. 09. 2025, new change to the Operation Order of OKTE, a.s., which was approved as by the Regulatory Office for Network Industries on 16. 09. 2025, will take effect. The decision on the new ...
Commencement of the public consultation on change to the Technical specification of the external interface ISOT
OKTE, a.s. announces that on September 12, 2025, a public consultation began, concerning the upcoming changes to the technical specification of external interface. The change is related to the ...
MCSC confirms the Go-Live of 15-Minute MTU in SDAC on Trading Day 30 September 2025
Following the announcement made on 14 May 2025 regarding the revised go-live date for the 15-minute Market Time Unit (MTU) in the Single Day-Ahead Coupling (SDAC), project parties are pleased to ...
Unscheduled extension of XBID system outage
On Saturday, 6 September 2025, the intraday continuous market experienced unscheduled unavailability of the central XBID system used for cross-border intraday continuous trading. The XBID system was ...
Launch of trial days for testing new products on the intraday market
OKTE, a.s. informs market participants that from 08 September 2025 to 29 September 2025, trial days will be launched in the TEST environment for testing new products on the intraday market. The ...
Evaluation of the public consultation on change to the OKTE, a.s. Operation Order
OKTE, a.s. announces that from 04. 08. 2025 to 18. 08. 2025 a public consultation was held concerning the proposed changes to the operational order of the short-term electricity market ...
Change to the OKTE, a.s. Operation Order (effective from September 1st 2025)
On 01. 09. 2025, change to the Operation Order of OKTE, a.s., which was approved in proceeding initiated by the Regulatory Office for Network Industries on 15. 08. 2025, will take effect. The ...
New Products and Functionalities in the Day-Ahead and Intraday Markets
OKTE, a.s. is introducing new products in the day-ahead and intraday electricity markets to enhance trading flexibility, discretion, and efficiency. The day-ahead market will see the launch of a new ...
Commencement of the public consultation on change to the OKTE, a.s. Operation Order
OKTE, a.s. announces that on August 4th, 2025, a public consultation began, concerning the upcoming changes to the operational order of the short-term electricity market operator. Reason for changes ...