Open Consultations
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Third amendment of the SEE CCR common capacity calculation methodology for the day-ahead and intraday market time-frame
This consultation concerns the SEE TSO’s proposal for amendment of the SEE CCR common capacity calculation methodology for the day-ahead and intraday market time-frame in accordance with Article 21 of the Commission Regulation (EU) 2015/1222 of 24 July 2015 establishing a guideline on capacity...
Closes 22 June 2025
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Public Consultation of NEMOs and TSOs on the Co-optimisation R0
On 23 September 2024, ACER issued its decision No 11-2024 on amendments to the price coupling algorithm and the continuous trading matching algorithm, including the common sets of requirements (the “Algorithm Methodology”). Subsequently, Article 4.15 of the...
Closes 30 June 2025
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ENTSO-E and ENTSOG public consultation on the TYNDP 2026 Scenarios’ input assumptions, data, parameters and methodologies
The TYNDP 2026 Scenarios aim at providing a sound basis to develop a European infrastructure that is fit for purpose. The Scenarios will be built in line with European Union policy targets, reflecting the latest updated national energy and climate plans (NECPs), national and EU policies and taking...
Closes 14 July 2025
Closed Consultations
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HANSA CCR – Amended Day-Ahead Fallback Procedures (CACM Art. 44)
This consultation concerns the 2nd amendment of the Hansa CCR Fallback procedures in accordance with Article 44 of Commission Regulation (EU) 2015/1222 of 24 July 2015 establishing a guideline on capacity allocation and congestion management.
Closed 15 June 2025
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All TSOs’ proposal for amendment of the Determination of capacity calculation regions methodology in accordance with Article 15(1) of the CACM
With its letter from 30 January 2025 ACER requests, in accordance with Article 9(6)(b) and 9(13) of the CACM Regulation, that all TSOs develop a proposal for an amendment of the determination of CCRs under Article 15 of the EU CACM Regulation which incorporates the capacity calculation regions of...
Closed 14 June 2025
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CCR Nordic TSOs’ proposal for the 6 months’ testing period of the Intraday Flow-Based Capacity Calculation Methodology
This survey concerns the Nordic TSOs’ proposal for the 6 months’ testing period of the Intraday Flow-Based Capacity Calculation Methodology, in accordance with Article 20(8) of COMMISSION REGULATION (EU) 2015/1222of 24 July 2015, establishing a guideline on capacity allocation and congestion...
Closed 6 June 2025
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Investor Survey: How can ERAA better reflect real investment behaviour?
ENTSO-E is currently preparing to propose amendments to the ERAA methodology, drawing on the recommendations from the Commission, ACER, as well its experience in conducting the previous four editions of the ERAA. One key aspect under review is the Economic Viability Assessment (EVA), the step...
Closed 28 May 2025
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Intraday cross-zonal gate closure time (IDCZGOCT) Methodology - 2025
This consultation concerns a common proposal for amendment to the Methodology developed by all Transmission System Operators (TSOs) regarding the intraday cross-zonal gate opening and gate closure times (IDCZGOCT) in accordance with Article 59(1) of the Commission Regulation (EU) No 2015/1222 of 24...
Closed 24 May 2025