 The European Union's Horizon Europe Program has assigned EMEA and its partners the responsibility of designing steam generators for the demo WCLL balance of plant system. These steam generators will transfer heat from the first wall and breeding zone blankets to the power conversion system, which converts it into electricity. To ensure the stability and control of the system, the steam generators must be designed to operate under a low power level while remaining stable. This paper discusses the design of the steam generators, including their thermal hydraulics and mechanical designs, as well as the results of stability analysis and control strategies. This article was authored by Amelia Tinkani, Cristiano Sirloini, Alessandro Del Nivo, and others.