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IEA SHC Task 69: Solar Hot Water for 2030
Solar water heating will play a crucial role in the decarbonization of the energy system for 2030 and beyond. IEA SHC Task 69 focuses on two technologies which are likely to play the biggest role in the global solar hot water market: thermosyphon and photovoltaic (PV) hot water systems. For these technologies global market surveys, systems and component optimizations, cost reduction analyses and revision of standards are being conducted to accelerate growth in target markets.
IEA Solar Heating and Cooling (SHC)
The IEA's Solar Heating and Cooling program has been carrying out joint research activities in the field of solar thermal energy since 1977. The focus is on the active and passive use of solar energy for heating and cooling of buildings, solar district heating and solar heat for industrial applications.
IEA SHC Task 73: PVT Heating Systems (Working period 2025 - 2028)
IEA SHC Task 73 accelerates the development and market uptake of photovoltaic-thermal (PVT) heating systems. Across four subtasks – liquid and air systems, awareness & policy, and modeling & monitoring – the task unites industry and research partners to consolidate KPIs, test and design approaches, standards, digital tools and monitoring data, remove barriers and speed up scalable building applications.
IEA-SHC Task 65: Solar Cooling for the Sunbelt Regions
IEA SHC Task 65 focuses on cost-efficient, safe, and reliable solar cooling systems optimized for hot climates. This requires cost reductions, system simplifications, life-cycle cost-benefit assessments and supportive policies. Austria plays a key role in Task 65, particularly in the assessment of technologies (Subtask C). Through scientific analyses, pilot projects, and workshops, market barriers are to be overcome, and solar cooling is to be established as a viable solution.