Core TSOs' proposal for the 3rd amendment of the Day-Ahead Flow-based Capacity Calculation Methodology on multiple technical aspects

Closed 25 Oct 2023

Opened 22 Sep 2023


This consultation concerns the Core CCR TSOs’ proposal for the third amendment of the Day-Ahead Capacity Calculation Methodology of the Core Capacity Calculation Region (Core DA CCM) in accordance with article 20ff. of the Commission Regulation (EU) 2015/1222 of 24th July 2015 establishing a guideline on Capacity Allocation and Congestion Management (CACM).
Based on Article 5 (5), Article 7 (4), Article 8 (7), Article 9 (6) and Article 20 (4) of the currently effective Core DA CCM, the Core TSOs must no later than eighteen months after the implementation of this methodology, and in accordance with Article 28 (3), develop a proposal detailing the methodology for coordinated validation, a list of internal network elements (combined with the relevant contingencies) to be defined as CNECs, further harmonization of the generation shift key methodology, an approach and justification for selecting FRM, and an approach for using allocation constraints, and submit them by the same deadline to all Core regulatory authorities as a proposal for amendment of said methodology in accordance with Article 9 (13) of the CACM Regulation.

Why your views matter

We are seeking input and feedback from Core stakeholders, market participants, NRAs and NEMOs on our proposal for third amendment of the Core DA CCM.
TSOs of the Core Capacity Calculation Region (50HERTZ, AMPRION, APG, CREOS, ČEPS, ELES, ELIA, HOPS, MAVIR, PSE, RTE, SEPS, TENNET GMBH, TENNET BV, TRANSELECTRICA, TRANSNETBW) are initiating this open online consultation on a draft of the third amendment Proposal in accordance with Article 12 of the Commission Regulation (EU) No 2015/1222 of 24 July 2015 establishing a Guideline on Capacity Allocation and Congestion Management.
For information on the background, an Explanatory Note describing in more detail the proposed amendment to the day-ahead methodology, is added to the proposal.


  • ENTSO-E stakeholders


  • Market Network Codes