IBEX Day-Ahead: Publication of the updated Fallback Manual – go‑live on 20 May

Dear Market Participants,

Please be informed that a new version of the SDAC Fallback Manual was published on 7 May and is available on the NEMO Committee and ENTSO‑E websites:

• https://www.nemo-committee.eu/assets/files/sdac-fallback-manual.pdf
• https://www.entsoe.eu/documents/nc/NC%20CACM/SDAC%202025/SDAC_Fallback_Manual.pdf

Both the current and new versions of the Fallback Manual are available for your review until 19 May.

The new version introduces several significant changes and improvements, including:

• Updates to message codes SDAC_ExC_02a and SDAC_ExC_02b (currently SDAC_UMM_01a)
• Enhancements to the content of existing messages
• Introduction of a new message: SDAC_ExC_07