Accelerating the Uptake of Large Thermal Energy Storages
- Task 45
- Currently running
- Energy storage in energy systems
Webinars
Recordings & presentations from the webinar series of IEA-ES Task 45
First webinar “Planning, regulatory, societal & financial aspects of LTES implementation”
- Introduction webinar 1 & brief technical overview of LTES technologies, PlanEnergi
- Medium and high-temperature ATES (Aquifer) implementation, dtess
- Seasonal crystalline BTES (Borehole), TU Darmstadt
- Stakeholder engagement & public perception in LTES projects, Fenix TNT
- Planning, regulatory, societal & financial aspects of PTES (Pit) implementation, PlanEnergi
- European framework, Hamburg Institut
- LTES financing methods, PlanEnergi
- Wrap-up & open discussion, PlanEnergi
- Introduction webinar 2 & techno-economic aspects of LTES, PlanEnergi
- ATES Technical case study: Middenmeer (NL), dtess
- Optimised integration of ATES in district heating systems, Öko-Institut
- BTES Technical case study: Emmaboda (SE), Lund University
- TTES Technical case study: Berlin (DE), BEW
- PTES Technical case study: Høje Taastrup (DK), PlanEnergi
Third webinar “Practical experiences, developments and numerical simulation with LTES”
- Introduction to IEA ES Task 45, AEE INTEC
- Mine Thermal Energy Storage – Utilisation underground mines, Fraunhofer IEG
- High-Temperature Aquifer Thermal Energy Storage with Buoyancy Flow as a System Model in Modelica, Hamburg University of Technology
- Cavern TES for the Fribourg District Heating, ECCUS
- Borehole Thermal Energy Storage developments at KTH, KTH
- High-temperature Borehole Thermal Energy Storage in Switzerland: early lessons learned from pilots, EMPA
- Solar District Heating with a Seasonal Pit Thermal Energy Storage in Bracht (DE), University of Kassel
- Efficient-PIT project, Solmax
Upcoming fourth webinar (December 2026): Results from IEA-ES Task 45 studies & work