The 2015 Urbana-Champaign ENERGY STAR Challenge has recognized building owners and managers that have made the greatest gains in energy efficiency and greenhouse gas pollution reduction.
- Best ENERGY STAR Score- Unitarian Universalist Church
- Best ENERGY STAR Score Improvement- City of Urbana Public Works
- Best Energy Use Intensity Score- City of Champaign Parking Programs Office
- Best Energy Use Intensity Score Improvement- University of Illinois National Soybean Research Center