1. U.S. Department of Energy, National Energy Technology Laboratory. Cost and Performance Baseline for Fossil Energy Plants; Volume 1: Bituminous Coal and Natural Gas to Electricity. Revision 2, November 2010.
2. U.S. Department of Energy, National Energy Technology Laboratory. Updated Costs (June 2011 Basis) for Selected Bituminous Baseline Cases. August 2012.
3. Kolb, G.J., S.A. Jones, M.W. Donnelly, D. Gorman, R. Thomas, R. Davenport and R. Lumia. 2007. Heliostat Cost Reduction Study. SAND2007-3293. Sandia National Laboratory. Albuquerque, New Mexico
4. U.S. Department of Energy, Energy Information Administration. Annual Energy Outlook 2013. April 2013.