We would like to inform participants that the test environment "SANDBOX-15min" (https://portal.isotetest.ote-cr.cz/) will be shut down on September 27, 2024, at 12:00 PM. Participants with test systems connected to "SANDBOX-15min" are requested to transition their communication to the "SANDBOX" test environment (https://portal.sand.ote-cr.cz/) by this deadline.

Starting in October 2024, the "SANDBOX-15min" environment will be renamed to "SANDBOX2" and will be used exclusively for development testing of new market functionalities. Please note that "SANDBOX2" will no longer receive updates related to measured data processing and imbalance settlement.

Communication endpoints for "SANDBOX" can be found in the automatic communication test form available at the following link: http://www.ote-cr.cz/registration-and-agreements/access-to-cs-ote/files-pc-configuration/Form_to_set_up_test_automatic_communication_EN.doc

Thank you for your cooperation.