Learn from past winners

In 2010, when EPA launched the first-ever ENERGY STAR National Building Competition, 14 competitors went head-to-head for the title of Biggest Energy Loser. Since then, more competitors join the race every year, and the energy savings – and positive environmental impacts – multiply with every competition. While one building emerges as the winner of the Battle of the Buildings, hundreds of buildings have reduced their energy waste with help from ENERGY STAR.

Download the wrap-up reports below to learn the best practices that led them to victory!

Demarest Elementary School
Reduced energy use by: 52%
Est. cost savings: $75,900
Greenhouse gas emissions prevented: 267 metric tons
Download the full 2012 report or the 2012 list of competitors

University of Florida, Parking Garage C
Reduced energy use by: 62.7%
Cost savings: $34,907
Greenhouse gas emissions prevented: 258 metric tons
Download the full 2011 report

Morrison Hall, UNC at Chapel Hill
Reduced energy use by: 35.7%
Energy saved: 11.7 million kBTU
Greenhouse gas emissions prevented: 733 metric tons
Download the full 2010 report