Judgment of the General Court (Third Chamber, Extended Composition) of 1 October 2025.#Bundesnetzagentur für Elektrizität, Gas, Telekommunikation, Post und Eisenbahnen (BNetzA) v European Union Agency for the Cooperation of Energy Regulators.#Energy – Internal market for electricity – Regulation (EU) 2015/1222 – Regulation (EU) 2019/943 – Allocation of cross-zonal capacity between bidding zones and congestion management – Determination of common regional methodologies for the calculation of daily and intraday capacity – Proposals from the transmission system operators of the ‘Core’ capacity calculation region – Internal critical network elements – Economic efficiency – Power transfer distribution factor (PTDF) – Decision of the Board of Appeal of ACER.#Case T-600/23.