BALTIMORE; April 22, 2008 – Baltimore Gas and Electric (BGE), a subsidiary of Constellation Energy (NYSE: CEG), has selected Accenture (NYSE: ACN) to help implement BGE’s Smart Energy Savers ProgramSM, which includes a series of initiatives designed to improve customer service, enable customers to better manage their energy costs, provide environmental benefits through energy-conservation incentives, and help avoid electric supply capacity constraints.