On November 28th, 2018 Core TSOs informal survey on market participants hedging needs (Article 16(2)(a) of COMMISSION REGULATION (EU) 2016/1719 establishing a guideline on forward capacity allocation) has been opened on ENTSO-E web-page.
Survey has been launched on consultation hub of ENTSO-E:
https://consultations.entsoe.eu/markets/core-tsos-informal-survey-on-fca-art16-2-a/