checking the effectiveness of the FRR, and if relevant RR, performance criteria (with particular attention to a proper activation and deactivation) adopted in each LFC block
checking possible improvements in forecast quality; 5. rerunning the CBA with updated information on the FCR costs2 and with a prospected LLFDs dataset derived by taking into account the improvements the FRR and RR performances and dimensioning criteria, and other mitigating measures regarding other causes of LLFDs such as data errors or mismatched communication. The CE TSOs shall provide full transparency to the CE NRAs on the methodologies and data used to carry out the comprehensive study mentioned by keeping the CE NRAs informed on a regular (ideally monthly) basis when carrying out the study. Dedicated workshops on interim results would also be much appreciated. The study shall be completed and sent to CE NRAs along with the amended proposal for the Tmin LER definition and the outcome shall be illustrated to the CE NRAs shortly after. In the meanwhile, each CE TSO and NRA can adopt all the measures that it deems useful at national level to ensure the operational security of its system. This includes, but is not limited to: i. ii. iii. iv. v. 2 increasing FRR (and RR where applicable) to be procured; improving the performance of FRR in line with performance criteria; adopting specific products for FRR at national level (e.g. with shorter FRR activation time); increasing the FCR to be procured at national level above the quota assigned pursuant to SAFA; while a harmonized value at CE SA level is pending, setting an interim Tmin LER value between 15 and 30min at national level (requiring NRA approval) or - if no other Tmin was/is set – apply the default value of 15min according to Article 156
SOGL, and if relevant Article 160 SOGL; o check the effectiveness of the FRR, and if relevant RR, performance criteria (with particular attention to a proper activation and deactivation) adopted in each LFC block
SOGL, and if relevant Article 143 SOGL; o check possible improvements in forecast quality; o re-run the CBA with updated information on the FCR costs3 and with a prospected LLFDs dataset derived by taking into account the improvements the FRR and RR performances and dimensioning criteria, and other mitigating measures regarding other causes of LLFDs such as data errors or mismatched communication; Amend the proposal for Tmin LER definition based on the outcome of the study. A new inquiry on the state of play would be much appreciated. 15
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