 In 2009 a local community group initiated a feasibility study for exploiting Teddington's weir for electricity generation, inspired by similar community-led generation schemes; Torrs Hydro and Settle Hydro.The study was encouraging and the "Ham Hydro" project now proposes using three reverse-Archimedean screws with a total output of .Environmental concerns, notably those raised by anglers about the potential effect on fish populations, prompted further environmental surveys during 2012.