Energy Star, a joint program of the EPA and the U.S. Department of Energy, has released its 2015 rankings for cities with Energy Star–rated buildings, and Louisville takes fourth place among mid-sized cities. Nationally, Louisville comes in at number 24 for total number of buildings that carry the rating (tied with Tampa). The Energy Star program helps to promote energy efficiency and sustainability in the built environment.
Last time we checked in with these rankings in 2010, Louisville was ranked at number 25 nationally with 35 rated buildings covering 4.2 million square feet. In the last five years, the city has increased that number to 59 buildings covering 5 million square feet. Louisville had dropped off the top-25 list between 2011–2013 and resurfaced last year at number 25.
In the mid-size city listings, the city took the number four spot behind Austin, San Jose, and Virginia Beach. Nashville took 8th place, Indianapolis took 9th, and Columbus, OH was 10th. Washington, DC took the top spot nationally with 480 buildings, followed by Los Angeles, Atlanta, and New York.