Because solar and wind power generators depend on time of day and the weather, we need ways to combine power sources and storage systems to assure reliable service. We also need to integrate new technologies with the existing power grid. Part five of a five-part series.
Almost 40 percent of the energy we use goes to heat, cool, light, and power appliances in the buildings where we live and work. Penn State is a global leader in making its buildings more energy efficient through green design and sustainable construction practices. Part four of a five-part series.