Regional

Plunkett, John. "Building Pennsylvania's Energy Future: Efficiency Means Real Gains for Security, the Economy, and the Environment" Green Energy Ecomonics Group, September 12, 2007.

Brattle Group, The. "Quantifying Demand Response Benefits in PJM", January 29, 2007.

American Council for an Energy-Efficient Economy. "Energy Efficiency: The First Fuel for a Clean Energy Resource - Resources for Meeting Maryland's Energy Needs (Executive Summary)", February 2008.

American Council for an Energy-Efficient Economy. "Energy Efficiency: The First Fuel for a Clean Energy Resource - Resources for Meeting Maryland's Energy Needs (Key Facts from the Report)", February 2008.

Summitt Blue Consulting Report, 2007. (Piedmont Environmental Council)

National

Prindle, William, Anna Monis Shipley and R. Neal Elliott. "Energy Efficiency's Role in a Carbon Cap-and-Trade System: Modeling Results from the Regional Greenhouse Gas Initiative", 2006.

Environmental Protection Agency. "National Action Plan for Energy Efficiency".

U.S. Department of State/ Bureau of International Information Programs. Economic Perspectives: Clean Energy Solutions , July 2006.