This report provides a summary of the proceedings of the North American regional PEPDEE workshop on April 18-19 2012. The workshop was held in co-operation with US Department of Energy (DOE), hosted by the American Gas Association, and co-sponsored by the American Public Power Association, Edison Foundation/Institute for Electric Efficiency, National Association of Regulatory Utility Commissioners, and the National Rural Electric Cooperative Association. The workshop included presentations by energy providers, energy regulators, consumer advocates, the energy efficiency industry, and governments, as well as the IEA and RAP.