Temporary unavailability of the OTE system on 15 November 2023

Information on discontinuing support for Internet Explorer 11

Temporary unavailability of the Sandbox test environment

Termination of SANDBOX-15min test environment on 27th of September2024

Temporary Unavailability of the Sandbox Testing Environment

Only commercial certificates will be supported by web services under TLS.

S/MIME Certificate renewal and web services security certificate renewal for test environment

Information Webinar - Testing the transition to a 15-minute settlement period

As a reminder, only commercial certificates will be supported under TLS for web services.

Final Version XML Message Formats, XSD Templates

Update of the Documents Related to the Implementation of 15-min. Imbalance Settlement and Trading Periods

XML message formats, XSD templates for suggestions

Temporary unavailability of OTE on 14 November 2023

Current version of the manual of message formats XML, XSD and WSDL templates for electricity valid from 07 June 2022

Thawte SSL/TLS certificate renewal information