London has numerous iconic bridges that span the River Thames. Now the city can add another to the list.
The Blackfriars Railway Bridge, which houses the London Underground's Blackfriars station, opened recently and is covered end-to-end with solar panels, making it the largest solar bridge in the world.
The bridge is covered with 4,400 solar panels which will produce about 900,000 kWh of electricity annually, or about 50 percent of the station's annual electricity output.
In Australia there's the Kurilpa Bridge, a pedestrian bridge that uses solar panels to power its LED lighting system. But London's new bridge is on another level and there isn't anything like it in the world.
While a bridge is a smart place to put solar panels because it offers a continuous stretch of square footage that's rare in a dense city like London without taking up valuable land, don't be surprised if it retains the title of "largest solar bridge" for some time.
That's because building a bridge with a roof covered in solar panels poses some challenges. According to Eurosafe UK, the company that installed the safety systems required to do maintenance on the solar panels, "this was, logistically speaking, the most challenging project Eurosafe has ever worked on." And for Solarcentury, the company that installed the solar panels, the project posed much bigger challenges than adding solar panels to a warehouse or green belt, according to BusinessGreen.
"The dramatic transformation of Blackfriars station from a small and cramped station to a modern landmark is typical of how we are enhancing one of Europe’s busiest rail routes – using smart, sustainable technology to reduce the cost of running the railway at the same time as giving passengers the longer, more frequent trains that are so desperately needed," said Simon Kirby, managing director of Network Rail Infrastructure Projects.
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