Arizona State University’s Wells Fargo Arena is the first LED-lit NCAA Football Bowl Subdivision facility in the nation. ASU's recent sustainability partner, Ameresco, joined Musco Sports Lighting, ASU Facilities Development and Management, and University Sustainable Practices to remove the stadium's previous 109.20 kW lighting system with the new 27.74 kW LED system. Now, the stadium's lighting uses 75 percent less energy without compromising lighting levels. LED lighting (light-emitting diode) is a high-efficiency, low-temperature lighting source that is known for lasting 25 times longer than traditional incandescent light bulbs. It is estimated that the new LED installation will save ASU $357,000 over 10 years. This past summer, Sun Devil Athletics made the Natural Resource Defense Council's list of top 10 sustainable athletic departments.