Chapter I Objectives and tasks

issue opinions and recommendations addressed to transmission system operators, the ENTSO for Electricity, the ENTSO for Gas, the European Network of Network Operators for Hydrogen (ENNOH), the EU DSO entity, regional coordination centres, nominated electricity market operators, and entities established by transmission system operators for natural gas, LNG system operators, natural gas storage system operators or hydrogen storage operators or hydrogen network operators;

issue opinions and recommendations addressed to the single allocation platform established in accordance with Commission Regulation (EU) 2016/1719 ( 1 );

issue opinions and recommendations addressed to regulatory authorities;

issue opinions and recommendations addressed to the European Parliament, the Council, or the Commission;

issue individual decisions on the provision of information in accordance with Article 3(2), Article 7(2), point (b), and Article 8, point (c); on approving the methodologies, terms and conditions in accordance with Article 4(4), Article 5(2), (3) and (4); on bidding zones reviews as referred to in Article 5(7); on technical issues as referred to in Article 6(1); on arbitration between regulators in accordance with Article 6(10); related to regional coordination centres as referred to in Article 7(2), point (a); on approving and amending methodologies and calculations and technical specifications as referred to in Article 9(1); on approving and amending methodologies as referred to in Article 9(3); on exemptions as referred to in Article 10; on infrastructure as referred to in Article 11, point (d); on matters related to wholesale market integrity and transparency pursuant to Article 12; and on approving and amending the joint proposal from the ENTSO for Electricity and the EU DSO entity regarding the type of data and format and the methodology related to the analysis to be provided as regards the flexibility needs pursuant to Article 5(9);

submit non-binding framework guidelines to the Commission in accordance with Article 59 of Regulation (EU) 2019/943 of the European Parliament and of the Council ( 2 ) and Article 6 of Regulation (EC) No 715/2009 of the European Parliament and of the Council ( 3 ).

monitor the nominated electricity market operators' progress in establishing the functions under Regulation (EU) 2015/1222;

issue recommendations to the Commission in accordance with Article 7(5) of Regulation (EU) 2015/1222;

request information from nominated electricity market operators where appropriate.

monitor progress as regards the implementation of projects to create new interconnector capacity;

monitor the implementation of the Union-wide network-development plans. If ACER identifies inconsistencies between those plans and their implementation, it shall investigate the reasons for those inconsistencies and make recommendations to the transmission system operators, regulatory authorities or other competent bodies concerned with a view to implementing the investments in accordance with the Union-wide network-development plans;

carry out the obligations laid out in Article 5, Article 11(3), Article 11(6) to (9), Articles 12, 13 and 17 and in Section 2, point (12), of Annex III to Regulation (EU) 2022/869 of the European Parliament and the Council ( 8 );

take decisions on investment requests including cross-border cost allocation pursuant to Article 16(7) of Regulation (EU) 2022/869.

monitor wholesale markets, collect and share data and establish a European register of market participants in accordance with Articles 7 to 12 of Regulation (EU) No 1227/2011;

issue recommendations to the Commission in accordance with Article 7 of Regulation (EU) No 1227/2011;

pursue and coordinate investigations pursuant to Articles 13 to 13c and Article 16 of Regulation (EU) No 1227/2011;

authorise and supervise inside information platforms and registered reporting mechanisms pursuant to Articles 4a and 9a of Regulation (EU) No 1227/2011;

have the power to impose periodic penalty payments in the cases referred to in Article 13g of Regulation (EU) No 1227/2011.