1. Green power marketing in the United States: a status report (2009 data);Bird,2010
2. Status and trends in U.S. compliance and voluntary renewable energy certificate markets (2010 data);Heeter,2011
3. Redefining RECs – part 1: untangling attributes and offsets;Gillenwater;Energy Policy,2008
4. Using renewable energy purchases to achieve institutional carbon goals: a review of current practices and considerations;Bird,2011
5. The role of renewable energy certificates in developing new renewable energy projects;Holt,2011