Constellation is a Fortune 200 company headquartered in Baltimore, Maryland. It is the nation’s largest producer of clean, emissions-free energy and a leading supplier of energy products and services to businesses, homes, community aggregations and public sector customers across the United States. With annual output that is nearly 90% carbon-free, our hydro, wind and solar facilities paired with the nation’s largest nuclear fleet have the generating capacity to power the equivalent of 16 million homes, providing about 10% of the nation’s clean energy. This includes the Conowingo Dam, Maryland’s largest source of renewable energy, and the Muddy Run Pumped Storage Facility, which is used to generate energy for peak demand. Both facilities are located on the lower Susquehanna River.
