Like the onetime industrial facilities that have become Dia: Beacon, Mass MoCA and the Tate Modern, among other factory conversions, Berlin's Rummelsberg electric plant is characterized by wide expanses of brick, glass and, most importantly, space. Today, the huge power station with its extraordinary, light-filled hall can be rented for events and film production, but its future is not secure. Power and Energy's reutilization plans, which were conceived for a contest sponsored by Vattenfall Europe AG, come from architects, planners and conservationists alike, and are full of creative...