7.

Each coordinated capacity calculator applying the flow-based approach shall: use data on operational security limits to calculate the maximum flows on critical network elements; use the common grid model, generation shift keys and contingencies to calculate the power transfer distribution factors; use power transfer distribution factors to calculate the flows resulting from previously allocated cross-zonal capacity in the capacity calculation region; calculate flows on critical network elements for each scenario (taking into account contingencies), and adjust them by assuming no cross-zonal power exchanges within the capacity calculation region, applying the rules for avoiding undue discrimination between internal and cross-zonal power exchanges established in accordance with Article 21(1)(b)(ii); calculate the available margins on critical network elements, taking into account contingencies, which shall equal the maximum flows reduced by adjusted flows referred to in point (d), reliability margins, and flows resulting from previously allocated cross-zonal capacity; adjust the available margins on critical network elements or power transfer distribution factors using available remedial actions to be considered in capacity calculation in accordance with Article 25.

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Source: EUR-Lex (Cellar) · retrieved 2026-11-01 · Text as adopted (Official Journal); later amendments are not incorporated in this text.