$30 million was competitively awarded to 16 grantees under the Weatherization Innovation Pilot Program (WIPP) to demonstrate innovative approaches to weatherizing income-eligible single-family and multifamily homes that were relatable to and in compliance with the WAP mission and guidelines. The WIPP grant resulted in a better understanding of the challenges associated with innovative energy efficiency technologies, the use of volunteers, financing mechanisms and incentives, and combining weatherization with a “green and healthy homes” focus to be considered for adoption by WAP, and the importance of piloting these innovations to ensure compatibility and alignment with WAP goals and mission.

Results from the evaluation are documented in a report entitled Evaluation of the US Department of Energy Weatherization Innovation Pilot Program (2010-2014) [ORNL/TM-2017/245].


We want to thank the many people who helped make these evaluations possible, including: the grantees and local weatherization agencies that completed surveys, hosted site visits of their projects, and engaged in informative discussions throughout the grant cycles; the utility companies that provided billing histories; and the weatherization recipients who participated in interviews and provided invaluable feedback

Project Team

ORNL performed the evaluations using data collected by APPRISE, the Energy Center of Wisconsin, Illinois Sustainable Technology Center, and Howard Katzman Building Performance Consulting.