2025

• 20 February 2025: OnSeminar 31
  Guidelines for Thermal Energy Storage Evaluation 2
  Watch here.
  
• 17 April 2025: OnSeminar 32
  Barriers and Levers to Heat Storage Deployment
  Watch here.
  
• 26 June 2025: OnSeminar 33
  Long Duration Energy Storage
  Watch here.
  
• 18 September 2025: OnSeminar 34
  Task 38: Ground Source De-Icing and Snow Melting Systems for Infrastructure
  Watch here.
  
• 16 October 2025, 9:30 CEST: OnSeminar 35
  Task 43: Building Mass Energy Storage
  Find the presentations here.
  

2024

• 24 January 2024: OnSeminar 20
  Thermal Energy Storage above 700°C and below 32°C
  Watch here.
  
• 22 February 2024: OnSeminar 21
  Grid Congestion and Energy Storages
  Watch here.
  Download the presentation here:

C_vanSomeren_Grid_Congestion_Household_Batteries_OnSem_02_24

• 18 April 2024: OnSeminar 23
  cancelled
  
• 23 May 2024: OnSeminar 24
  Decarbonizing
  Watch here.
  
• 20 June 2024: OnSeminar 25
  Roadmaps for Energy Storage
  Watch here.
  
• 18 July 2024: OnSeminar 26
  Power-to-X
  Watch here.
  
• 19 September 2024: OnSeminar 27
  Roadmaps for Energy Storage 2
  Watch here.
  Download the presentation here.
  
• 17 October 2024: OnSeminar 28
  Energy storage of the future – How 2nd-life battery storage is driving the energy transition
  Watch here.
  
• 21 November 2024: OnSeminar 29
  Balancing Electricity Networks
  Watch here.
  
• 4 December 2024: OnSeminar 30
  Guidelines for thermal energy storage evaluation
  Watch here.