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The U.S. Department of Energy’s (DOE) Weatherization Assistance Program (WAP) completed two national evaluations, the Retrospective and the American Recovery and Reinvestment Act of 2009 (ARRA) evaluation in 2015.

Led by Oak Ridge National Laboratory, these evaluations were multi-year, peer-reviewed, statistically robust efforts, and the most comprehensive, detailed analysis of the WAP and its operations ever conducted.

This is an image of the front page of the WAP National Evaluation fact sheet.