‘Smart City’ knows who needs power, and when

In 1882 on Pearl Street, New York City, Thomas Edison opened the world’s first commercial electric grid, lighting up local homes and businesses with cables connected to his power station.

Fast forward to the present day and although technology has changed immeasurably, the way we power our cities hasn’t. But what if we could bring the grid up to date? That’s exactly what they are doing in Mannheim, Germany.

Watch the video to find out more.

CNN