Initially created in 2010 to address the Photovoltaic market for private individuals, Refasol is now positioning itself as an expert in multi-technical energy engineering (GE). Through its "Study & Design" activity, Refasol builds relationships of trust with its clients in the Ile-de-France (Paris), Lorraine and Benelux (Belgium, Nederlands and luxembourg) regions, offering comprehensive consulting services and customised solutions tailored to each situation. HotRiver is a range of innovative products designed by Refasol to efficiently capture the energy available in water (Hydrothermia, hydrolien, etc.). Thus, in addition to addressing the traditional GE market, HotRiver enables Refasol to offer innovative, unique and optimized solutions for the market of structures near or on the water (peniches, floating houses, locks, mills, structures along the seaside, river, lake, etc.).