Two-thirds of the power on PJM's grid which serves 65 million people come from fossil fuels. Cities and attorney generals are calling for a priority on climate change.
The building actually generated 75 percent more energy than it consumed–thanks to more than 500 solar panels on the roof, a ground-mounted solar array, and 20 geothermal wells.
Marie Cusick is a reporter for StateImpact Pennsylvania, a collaboration between WITF and WHYY covering the fiscal and environmental impact of Pennsylvania’s booming energy economy.