The Nominated Electricity Market Operators (NEMOs) and Transmission System Operators (TSOs) participating in the Single Intraday Coupling (SIDC) have jointly published this framework for the application of Corrective Measures (CMs) in the SIDC Continuous Trading (XBID) environment when system performance begins to deteriorate. Its main purpose is to ensure that the intraday market coupling algorithm remains stable, scalable, and operational as trading volumes, market complexity, and the number of participating bidding zones continue to grow.

The document establishes a formal framework for identifying performance degradation through predefined monitoring indicators. When these thresholds are breached, NEMOs and TSOs can initiate an assessment process to determine whether intervention is required.

A key principle is that mitigation measures should be attempted first, such as technical optimizations and configuration changes, before introducing formal Corrective Measures. If performance cannot be restored, Corrective Measures may be applied to reduce system stress while preserving market functionality as much as possible.

The document explicitly states that measures affecting mandatory CACM functionalities should be used only as a last resort.

The governance process defines clear roles for monitoring, assessment, decision-making, escalation, communication, and regulatory oversight. Corrective Measures must be evidence-based, transparent, publicly communicated in advance, and regularly reviewed.

Overall, the document serves as the operational safeguard framework for SIDC Continuous Trading, providing a structured mechanism to detect, manage, and temporarily mitigate performance issues in the market coupling system while permanent technical solutions are developed.

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