Energy efficiency savings have grown substantially in the past ten years, and national leaders in program administration have emerged as savings levels have increased. This report reviews annual program performance for 14 leading energy efficiency program administrators, with a focus on costs, electricity savings, cost effectiveness, and portfolio design.

In 2011 the City of Boulder, Colorado enacted its “SmartRegs” ordinances that require all single family and multifamily rental properties to meet a minimum energy efficiency standard by January 2019. The SmartRegs initiative is designed to help the city achieve its ambitious carbon emissions reduction goals and to improve the quality, safety, and marketability of Boulder’s rental housing stock.