Think closing power plants is less risky than opening them? That’s a mistakeNews Think closing power plants is less risky than opening them? That’s a mistakeThe following is a contributed article by William Riggins, President and CEO of Pegasus-Global Holdings, a management consulting firm specializing in megaprojects. A major misconception about power plant retirements threatens to burn plant owners. It’s the assumptio n that plant decommissioning and dismantling (D&D) is easier and less-risky than plant construction.