 Between 2001 and 2013, the district more than tripled its total property value, from $600 million to over $2 billion.The amount of new office space added to the Energy Corridor between 2005 and 2015 is equivalent to the amount added during the preceding three decades.However, the 2010s oil glut put a damper on this growth, causing office and apartment vacancy rates in the area to rise significantly.