Solar technologies are becoming more efficient and affordable, and a number of Better Buildings Challenge Partners are incorporating solar into their portfolio energy strategy. Dysart Unified School District in Arizona is nearing their goal of powering their buildings with 100% solar energy. MGM Resorts International is beginning the implementation of a significant solar installation at the famous Mandalay Bay Hotel. The Denver Housing Authority is incorporating solar into their multifamily housing portfolio. These Partners shared lessons learned, best practices and their perspectives on the future of solar as a tool in the portfolio energy efficiency arsenal.