Participation in the IEA Task 69 on Solar Hot Water for 2030

The project deals with participation in the IEA Solar Heating & Cooling (SHC) Task 69 on ‘Solar Hot Wa-ter for 2030’. The Technical University of Denmark will carry out a technological analysis and contribute to the task with a survey of the state-of-the-art technologies, identification of operating environments and evaluation of existing standards and certification networks for solar water heating. The training needs for installers and designers and the revision needs of standards and certification will be identified. The pro-ject will identify opportunities to improve the performance, cost, and reliability of solar water heaters, aim-ing to accelerate the rollout of best practices for these technologies.
The project also concerns DTU’s leadership of the subtask D: training and standards. The IEA task con-sists of 4 subtasks. Jianhua Fan is a core member of the group initiating the task and act as the leader of the subtask D. Successful implementation of the project will achieve an important influence on the task. The project will promote the integration of Danish research institutes and companies in the world devel-opment of new solar heating market.

he project will define the market status, core technical issues for development, and the train-ings/standards needs for cost-effective and reliable solar water heater technologies (mostly PV solar hot water heating systems). The project will rely heavily on international collaborations among participants from the different IEA SHC member country regions, to consider differ-ences in economic development, solar resources, regulations, and other factors (i.e., GN SEC vs. Europe). A key part of the scope is to investigate ‘smart’ systems and how to overcome barriers to further deployment in different climates and markets. As such, the project will identi-fy opportunities to improve the performance, cost, and reliability of solar water heaters, aiming to accelerate the rollout of best practices for these technologies.
Technical University of Denmark, Department of Civil and Mechanical Engineering (DTU Con-struct) has carried out a number of research projects on development of highly efficient solar heating systems. In the proposed task, DTU Construct will review existing standards and certi-fication networks for solar water heating. The emerging new SWH technologies, for example, PV water heaters and smart control strategies, will be evaluated and their suitability and ap-plicability for different regions and operation conditions will be analysed. The carbon footprint calculation and evaluation methods will be evaluated. The training needs for installers and de-signers and the revision needs of standards and certification networks will be identified. Suc-cess stories will be collected and analysed and recommendations on the best SWH technolo-gies will be given for different application scenarios.