 It also houses the largest array of solar panels on any building in New York City.When The Octagon opened its doors, many young, affluent tenants started to occupy the studios and one-, two-, and three-bedroom units; 100 of the units therein are set aside for middle-income residents.In 2006, ENYA (Emerging New York Architects) made the island's abandoned southern end the subject of one of its annual competitions.