IEA Hydro TCP has organised two sessions at HYDRO 2019 in Porto, Portugal. Session 9, Future Trends in Hydropower, on Monday 14 October, will focus on developing hidden hydro opportunities globally. Session 27, Valuing Hydropower Flexibility, on Wednesday 16 October, will include the launch of the Annex IX White Paper.  Read more about the group's work on Hidden Hydro and Valuing Hydropower Services.