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.

This report provides results, lessons learned and recommendations for driving energy efficiency in existing building on an urban scale based on the second year of the Energize Phoenix energy efficiency program.

This report provides results, lessons learned and recommendations for driving energy efficiency in existing building on an urban scale based on the first year of the Energize Phoenix energy efficiency program.

This guide provides background on the home improvement market in the U.S. and Canada and end users and systems in existing homes, as well as a description of energy efficiency program approaches and strategies.