Blackfriars bridge in the City of London is the world 's largest solar-powered bridge . A new roof was installed , housing solar panels over 6000 square meters , which is enough to cover 23 tennis courts . Over 4,400 photovoltaic cells occupy a roof area of 6000 square meters . Clean energy provides 50 percent of the requirements of Blackfriars railway station , located on the bridge . The solar panels are connected to an overhead power line that runs from the Thames Barrier at Battersea Power Station through central London and into Surrey.
Blackfriars bridge in the City of London is the world 's largest solar-powered bridge . Over 4,400 photovoltaic cells occupy a roof area of 6000 square meters . Clean energy provides 50 percent of the requirements of Blackfriars railway station , located on the bridge . The solar panels are connected to an overhead power line that runs from the Thames Barrier at Battersea Power Station through central London and into Surrey.