11.1. Calculation of the N – 1 at the level of the risk group if so agreed by the competent authorities of the risk group

the identification of the single largest gas infrastructure of common interest for the risk group; the calculation of the N – 1 formula at the level of the risk group; a description of the values used for all elements in the N – 1 formula, including intermediate figures used for the calculation (e.g. for EP_(m) indicate the capacity of all entry points considered under this parameter); an indication of the methodologies and assumptions used, if any, for the calculation of parameters in the N – 1 formula (e.g. D_(max)) (use annexes for detailed explanations).

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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.