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Start of AHC (Advanced Hybrid Coupling) implementation in the CORE region for day-ahead

Today, 10 June 2026, for the trading day of 11 June 2026, ELES together with partners in the CORE region has started the implementation of cross-zonal capacity calculations for the day-ahead timeframe based on AHC (Advanced Hybrid Coupling).
With the introduction of the new process, cross-zonal capacities on the borders between the CORE region and neighbouring regions are determined dynamically within a common optimisation process, enabling more efficient use of the transmission network, a more accurate representation of the actual system conditions, and ensuring secure and reliable system operation.

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