A solar panel system is under construction on the roof of the Research Drive Parking Garage. The panels, which will sit on a canopy above the deck’s top level, will provide 1.3 million kilowatt hours of electricity annually. Not only will that easily cover the needs of the garage, thus putting excess energy back into the grid to power other buildings, it will also knock off 430 metric tons of carbon from Duke’s footprint. That’s equivalent to 92 passenger cars being taken off the road.