Santiago's Subway Will Soon Be The First To Run On Mostly Solar And Wind Power
Santiago's Subway Will Soon Be The First To Run On Mostly Solar And Wind Power
A solar system will pump electricity directly from Chile's Atacama desert to the city, 400 miles away.
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Photo: Flickr user Osmar Valdebenito
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Adele Peters 06.03.16 1:28 PM
The Atacama region in Chilewhere it essentially never rainsis the sunniest place on the planet. By 2017, some of the solar power produced there will be sent hundreds of miles away to the subway in Santiago, the first metro system in the world that will get most of its power from renewable energy.
The subway, which serves 2.5 million commuters every day, will get up to 60% of its energy from a new solar installation and up to 18% from the nearby San Juan wind farm.
Though Chile is particularly sunny, the fact that a massive, power-hungry subway will be powered in large part by the sun is a testament to the rapid rise of solar as the cost of the technology keeps falling. "I think this is a sign of the mainstreaming of solar," says Tom Werner, CEO of SunPower, the California-based solar company that is designing and building the system.
The 100-megawatt solar system will be mounted nearly 400 miles away, just south of the Atacama Desert, and then the power will be transmitted directly to the Metro. While some organizations that claim to run on renewable power are actually tapping into a standard gridand just offsetting the amount of energy they usethe Metro is an example of a new trend in direct connections. SunPower is installing similar systems that will connect to Stanford University and some Apple data centers.
More:
http://www.fastcoexist.com/3060276/santiagos-subway-will-soon-be-the-first-to-run-on-mostly-solar-and-wind-power