BALTIMORE, Jul 28, 2015 (BUSINESS WIRE) --Constellation, a leading competitive retail energy supplier, and the BaltimoreRavens today announced an agreement to construct a 375-kilowatt (DC) solar generation project at the team’s headquarters and training facility in Owings Mills, Md. Constellation, a longtime sponsor of the Baltimore Ravens, provides energy services to the team and is the “Official Energy Services Sponsor of the Baltimore Ravens.” The roof-mounted solar power system expands the current energy services relationship.