Information about the Implementation of Flexibility and Accumulation in the OTE System from 1 August 2026

Message formats and XSD templates valid in the CS OTE after the introduction of flexibility and accumulation (expected to be effective in CS OTE from August 1, 2026; in the Sandbox test environment will be deployed from April 1, 2026.)
DESCRIPTION	FILES FOR DOWNLOAD
XML message formats Electricity (Updated 18.3.2026)	XML message formats Electricity 8_2026
XML and CIM specifications (XSD templates) (Updated 18.3.2026)	XSD templates 8_2026