By when must two adjacent Balancing Authorities agree on values regarding inadvertent interchange after actual operation?

Two adjacent Balancing Authorities must agree on values regarding inadvertent interchange by the end of the business day following actual operation. This requirement is set to ensure timely and efficient reconciliation of energy imbalances resulting from inadvertent interchange. It establishes a clear timeframe that allows the Balancing Authorities to review, assess, and negotiate any discrepancies in the energy exchanged during operations.

This timeline is crucial because it helps maintain operational reliability and accountability between Balancing Authorities. By reaching an agreement by the end of the business day, both parties can promptly address any issues related to inadvertent interchange, facilitating accurate reporting and minimizing the potential for disputes.

In contrast, the other options do not align with the established protocol for resolving inadvertent interchange discrepancies. Longer timeframes, such as 24 hours or a week, could lead to delays in resolving issues and could affect overall system stability and coordination between Balancing Authorities. Immediate resolution might be impractical, considering the need for thorough data analysis and communication before reaching an agreement.