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  • Proposal for Amendment of RCC Procurement Proposal​

    On 19 July 2023, ACER published its Decision No 13/2023 regarding the proposal for regional procurement of balancing capacity in accordance with Article 37(1)(k) of Regulation (EU) 2019/943, where ACER stated (Article 3(7)), that to apply the methodology in the SOR, the relevant TSOs, supported by relevant RCC(s), shall determine in a coordinated manner the parameters referred to in this methodology. Following the TSOs and RCCs coordination, ENTSO-E developed an amendment to this... More
    Opened 2 July 2025

  • Proposal for Amendment of the mFRR and aFRR Implementation Frameworks, including Annex with T&Cs Common Harmonisation Proposal

    This consultation concerns the Proposal for Amendment of the mFRR and aFRR Implementation Frameworks (IFs), which includes an Annex with the Terms and Conditions (T&Cs) Common Harmonisation Proposal, according to Article 18 of Regulation (EU) 2017/2195 establishing a guideline on electricity balancing. Transmission System Operators (TSOs) developed the amendments to the IFs to improve the process established for the harmonisation of T&Cs, as well as to include a new Annex with the Common... More
    Opened 2 July 2025

  • Consultation on the ENTSO-E Annual Work Programme 2026

    ENTSO-E publishes every year an Annual Work Programme as required under REGULATION (EU) 2019/943 on the internal market for electricity. The priorities outlined in the Work Programme reflect the legal mandates given to ENTSO-E by REGULATION (EU) 2019/943 as amended by REGULATION (EU) 2024/1747 on the internal market for electricity, REGULATION (EU) 2019/941 on risk-preparedness in the electricity sector, REGULATION (EU) 2022/869 on guidelines for trans-European energy infrastructure,... More
    Opened 1 July 2025

  • ENTSO-E and ENTSOG TYNDP 2026 Scenarios Economic Variants Development Methodology – Draft for public consultation

    ENTSO-E and ENTSOG invite all interested stakeholders to take part in the public consultation on the Draft 2026 TYNDP Scenarios’ Economic Variants’ methodology from 1 July until 29 July. Important note: This is a separate consultation running in parallel to the ongoing public consultation on the input data and other methodologies on the Draft 2026 TYNDP Scenarios, which is open from 16 June until 14 July. ENTSOG and ENTSO-E welcome stakeholders' input on both consultations,... More
    Opened 1 July 2025

  • Capacity Calculation Methodology for the day-ahead and intraday market timeframe for the Italy-Montenegro Capacity Calculation Region.

    This consultation concerns the regional TSO proposal for the establishment of a methodology for coordinated capacity calculation for the day-ahead and intraday markets timeframes within the Montenegro-Italy Capacity Calculation Region as defined in accordance with Article 15(1) of the Regulation (EU) 2015/1222 on Capacity Allocation and Congestion Management (CACM Regulation). This methodology is developed in accordance with Articles 20(2) and 21 of the CACM Regulation. More
    Opened 30 June 2025

  • Italy North TSOs proposal for amendment of the Methodology for long-term cross-zonal capacity calculation for Italy North CCR

    This consultation concerns the Italy North CCR TSOs’ proposal for an amendment of the Methodology for long-term cross-zonal capacity calculation for Italy North CCR in accordance with Article 10 of the Commission Regulation (EU) 2016/1719 of 26 September 2016 establishing a Guideline on Forward Capacity Allocation. Italy North TSOs plan to amend the LT CCM for the Italy North CCR in order to allow the possibility of considering, in the statistical calculation, the NTC samples calculated... More
    Opened 26 June 2025

  • 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 into account the latest available data at the time. In previous cycles, the Scenario framework included a bottom-up Central Scenario (NT+) alongside two top-down Scenarios—Distributed Energy... More
    Opened 16 June 2025

  • 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 allocation and congestion management. More
    Opened 22 May 2025

  • 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 amended Algorithm Methodology requires NEMOs, in cooperation with TSOs to carry out R&D to enable the implementation of co-optimisation in the SDAC algorithm within defined areas, starting in... More
    Opened 19 May 2025

  • 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. More
    Opened 15 May 2025

  • 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 the Energy Community (EnC) Contracting parties and the neighbouring EU countries. ACER considers that the inclusion of the EnC CCRs in the determination of CCRs in accordance with Article... More
    Opened 14 May 2025

  • 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 within ERAA that aims to assess the likelihood and conditions under which generation, storage, or demand-side resources may exit or enter the market over a 10-year horizon. The latest EVA results from... More
    Opened 7 May 2025

  • 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 management. More
    Opened 6 May 2025

  • Pre-consultation on the ENTSO-E Annual Work Programme list of tasks 2026

    ENTSO-E publishes an Annual Work Programme as required under REGULATION (EU) 2019/943 on the internal market for electricity. The priorities outlined in the Work Programme reflect the legal mandates given to ENTSO-E by REGULATION (EU) 2019/943 as amended by REGULATION (EU) 2024/1747 on the internal market for electricity, REGULATION (EU) 2019/941 on risk-preparedness in the electricity sector, REGULATION (EU) 2022/869 on guidelines for trans-European energy infrastructure, REGULATION (EU)... More
    Opened 6 May 2025

  • ERAA Market survey - Test file upload

    test More
    Opened 2 May 2025

  • 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 July 2015 establishing a Guideline on Capacity Allocation and Congestion Management (CACM), the “IDCZGOCT Methodology”. The proposal for amendment of the IDCZGOCT Methodology... More
    Opened 24 April 2025

  • European Resource Adequacy Assessment 2024 Report

    Will demand for power in Europe be covered in the next decade by adequate supply? What could be the impact of climate on the European power system? Why is interdependency between European countries essential in assessing security of supply? Why is coordination at all levels necessary? These are some of the questions addressed in the fourth edition of ENTSO-E’s European Resource Adequacy Assessment (ERAA): a state-of-the-art pan-European monitoring assessment of power system resource... More
    Opened 7 April 2025

  • Amendments to the Manual of Procedures (MoP v3r5) of the Transparency Platform

    This consultation concerns the Manual of Procedures (MoP) of the Transparency Platform (TP). T he new release (MoP v3r5) includes amendments to the existing documents (Detailed Data Descriptions (DDD) and Implementation Guides (IG)) to better reflect the new requirements of the Transparency Platform. This iteration v3r5 of the MoP has been developed mainly in response to the adoption of methodologies in the CORE and Nordic regions for long-term flow-based allocations. The MoP... More
    Opened 3 April 2025

  • ERAA 2025 Call-for-Evidence on Preliminary Input Data

    Thank you for participating in this call for evidence. We welcome your comments on input data with supporting evidences to your comments. You may fill the form more than once. Resource adequacy has become increasingly important due to the evolving energy landscape to support the clean energy transition. This requires a large scale integration of renewable energy sources (RES) capacity, increased electrification of demand, and continuous integration of energy markets. The European... More
    Opened 31 March 2025

  • Core TSOs' proposal for the first amendment of the Long-term capacity calculation methodology of the Core capacity calculation region

    This consultation concerns the Core TSOs’ proposal for an amendment of the Long-term Capacity Calculation Methodology of the Core Capacity Calculation Region in accordance with Article 10 of Commission Regulation (EU) 2016/1719 of 26 September 2016 establishing a guideline on forward capacity allocation. More
    Opened 28 February 2025

  • TYNDP 2026 Guidance for promoters

    The TYNDP 2026 Guidance for Applicants sets the rules, criteria, and procedure for a valid submission of an electricity transmission, energy storage facility, radial or hybrid project in the TYNDP 2026. The projects collection process to TYNDP 2026 will take place in two windows, in Spring and Autumn 2025 respectively. To allow project promoters to prepare in advance of the submission periods, ENTSO-E released a draft Guidance document and invites projects promoters and interested... More
    Opened 7 February 2025

  • Give your feedback on TYNDP 2024

    ENTSO-E’s 10-year network development plan (TYNDP) is the pan-European electricity infrastructure development plan. It looks at the future power system in its entirety and at how power links and storage can be used to make the energy transition happen in a cost-effective and secure way. With this consultation, ENTSO-E asks for feedback on: - the TYNDP 2024 Infrastructure Gaps Report : the reports introduces the reader to the TYNDP and presents the results of the power system... More
    Opened 31 January 2025

  • Public Consultation on Cyber-attack Classification Scale Methodology

    Under Article 37(8) of the Network Code for Cybersecurity (NCCS), the European Network of Transmission System Operators for Electricity (ENTSO-E) in cooperation with the EU DSO entity (DSO Entity) has developed a proposal for methodology for the cyber-attack classification scale. The document will help high-impact and critical-impact entities to assess whether a cyber-attack is reportable according to the NCCS by understanding the gravity level of a cyber-attack. The gravity of a... More
    Opened 14 January 2025

  • Public consultation on TYNDP 2026 scope and stakeholders engagement plan

    Scope of this public consultation This public consultation covers the following studies that are part of the TYNDP 2026: the system needs study, including offshore network development plans per sea basin, and the cost-benefit analysis of projects. It also covers the stakeholder engagement plan for each study. Not in the scope of this consultation are scenarios, which follow a separate consultation process and for which the stakeholder engagement plan was published in July 2024. ... More
    Opened 13 December 2024

  • Core TSOs' proposal for the 4th amendment of the Intraday Flow-based Capacity Calculation Methodology

    This consultation concerns the Core CCR TSOs’ proposal for the fourth amendment of the Intraday Capacity Calculation Methodology of the Core Capacity Calculation Region 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. More
    Opened 13 December 2024

  • All TSOs proposal for amending the determination of LFC blocks for the Synchronous Area Continental Europe with regard to the additional Baltic LFC block

    Baltic TSOs are in the process of preparing the synchronization of Baltic States Power System with Synchronous Area Continental Europe . Since the current applicable document “Determination of LFC blocks for the Synchronous Area Continental Europe, in amended version of 11 February 2022” does not cover the Baltic TSOs, LFC areas and LFC block(s), the current version needs to be amended to reflect the situation as of date of synchronization, i.e. 9 February 2025. The... More
    Opened 9 December 2024

  • Public Consultation on identified harmonisation options concerning terms and conditions related to the aFRR and mFRR Platforms

    With this survey Transmission System Operators (TSOs) ask stakeholders for input/response to evaluate the identified harmonisation options concerning the terms and conditions according to Article 18 of Regulation (EU) 2017/2195 establishing a guideline on electricity balancing. Following the feedback received in the annual surveys of 2023 and 2024, All TSOs identified possible harmonisation options for each prioritised need on the short list, and developed such shortlist. More
    Opened 1 December 2024

  • Italy North CCR – Amendment of the Methodology for a common D-2 capacity calculation in accordance with Article 21 of Commision Regulation (EU) 2015/1222 of 24 July 2015 establishing a guideline on capacity allocation and congestion management within Italy North CCR

    This consultation concerns the Italy North CCR TSOs’ proposal for an amendment to the methodology of a common D-2 capacity calculation in accordance with Article 21 of Commision Regulation (EU) 2015/1222 of 24 July 2015 establishing a guideline on capacity allocation and congestion management within Italy North CCR (hereinafter “D-2 CCM”). Italy North TSOs plan to amend the D-2 CCM for the Italy North CCR in order to align the CCM with the current day-ahead operational process and the... More
    Opened 22 November 2024

  • Italy North CCR – Amendment of the Methodology for an intraday common capacity calculation in accordance with Article 21 of Commision Regulation (EU) 2015/1222 of 24 July 2015 establishing a guideline on capacity allocation and congestion management within Italy North CCR.

    This consultation concerns the Italy North CCR TSOs’ proposal for an amendment to the methodology for an intraday common capacity calculation in accordance with Article 21 of Commision Regulation (EU) 2015/1222 of 24 July 2015 establishing a guideline on capacity allocation and congestion management within Italy North CCR (hereinafter “ID CCM”). Italy North TSOs plan to amend the ID CCM for the Italy North CCR in order to align the CCM with the current intraday operational process and... More
    Opened 22 November 2024

  • Proposal for Amendment of Finnish, Estonian, and Latvian TSOs of Baltic CCR TSOs’ Common Methodology for Splitting Long-Term Cross-Zonal Capacity

    This consultation concerns the regional TSO proposal for the Finnish, Estonian, and Latvian TSOs of Baltic CCR TSOs’ Common Methodology for Splitting Long-Term Cross-Zonal Capacity in Accordance with Article 16 of Commission Regulation (EU) 2016/1719 of 26 September 2016 Establishing a Guideline on Forward Capacity Allocation (FCA Regulation). This proposal will only be applied on the bidding zone border between Estonia and Latvia and Finland and Estonia, as long as there is an exemption... More
    Opened 14 November 2024
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