CityStream: New Denny Substation

The Denny Substation's metallic design and clean lines grab your attention. It looks more like a space station than Seattle City Light's first new substation in 30 years. Soon it will energize the bustling Denny Triangle and South Lake Union neighborhoods. Aside from its unique appearance, project amenities have neighbors excited. The complex includes a dog park, event space and pedestrian walkways. But what exactly does a substation do? And how do Seattleites get their power? Dennis Bounds explains.