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This study focused on homeowner decision-making in response to home energy assessments, combined with the quality of the recommendations, the home energy assessment, and home energy labels. This report analyzes what assessments provide and what homeowners seem to want. It presents the results of a study of an existing home energy audit program pilot offered by Seattle City Light. From mid-2010 to late 2011, approximately 1,350 home energy assessments were completed in Seattle as part of Seattle City Light's program.
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.
The benefits of energy efficiency extend beyond energy savings. Homes, commercial buildings, and industrial facilities gain comfort, health, and safety benefits from energy efficiency programs. Additional benefits for businesses include savings on maintenance, materials, and the costs of regulatory compliance. On the supply side, electric utilities enjoy reduced system costs. Focusing on the residential, business, and utility sectors, this report examines each of these multiple benefits, their role in program marketing, and current best practices for including them in cost-effectiveness testing.