Reminder! Invitation to Participate in Open Test Session for Adria borders - November 5-6, 2025

Dear Market Participants,

We would like to remind you to register for our upcoming open test session, scheduled to take place on November 5th and 6th, 2025.

This session provides an excellent opportunity to:

Participate in dummy auctions

Thoroughly test your bid files

Seamlessly integrate eCAT output files into your internal systems

The main objective of the session is to test the new borders planned to go live with the 2026 yearly auctions in December:

RS-ME; ME-RS

IT-ME; ME-IT

MK-RS; RS-MK

BG-MK; MK-BG

To register, please reply to this message or send email with the following information to helpdesk@jao.eu:

Company name (registered companies only)

EIC code

Username (if already registered in eCAT) or full name

Email address

Please note that registration will close on October 31st, 2025 by EOD.

Further details regarding timing, access, and specific testing scenarios will be shared in a follow-up communication.

If you have any questions or feedback, feel free to reach out. Your participation and insights are highly appreciated.

Best regards,

JAO Operations Team