http://www.edie.net/news/10/London-set-for-Europes-largest-floating-solar-system/29768/
Europe's biggest ever floating solar array is being installed on the Queen Elizabeth II Reservoir, to the south of the River Thames. More than 23,000 solar PV panels will be floated on the 317-acre reservoir near Walton-on-Thames, following an agreement between Thames Water, Ennoviga Solar and Lightsource Renewable Energy.