Allison Leahy World’s Largest Solar Bridge Crosses The River Thames in London

London's largest solar roof is now under construction -- and it's set on a bridge! The massive 6,000 square meter array photovoltaic array is currently being installed by Solarcentury on the Victorian-era Blackfriars Bridge in London. The project is on track to become the world's largest solar bridge - when completed, Blackfriar's roof will hold 4,400 individual photovoltaic panels and produce around 900,000 kilowatt hours of electricity every year. Renewable energy will account for half of the station's energy needs and reduce annual CO2 emissions by more than 500 tons -- the equivalent of 35 American households.

Read more: World's Largest Solar Bridge Crosses The River Thames in London | Inhabitat - Green Design Will Save the World