1. American Council on Renewable Energy (ACORE), 2007. The outlook on renewable energy in America. Joint Summary Report, vol. II, March, 〈www.acore.org〉.
2. American Wind Energy Association, 1991. Pacific Northwest Laboratory, An Assessment of the Available Windy Land Area and Wind Energy Potential in the Contiguous United States. Wind capacity constraints (1.2TW is the availability of Class 4 and higher wind resource in US).
3. Blair, N., Mehos, M., Short, W., Heimiller, D., 2006. Concentrating Solar Deployment System (CSDS)—A New Model for Estimating US Concentrating Solar Power (CSP) Market Potential: Preprint. 10 pp. NREL Report No. CP-620-39682. 〈http://webmail.bnl.gov/exchweb/bin/redir.asp?URL=http://www.nrel.gov/docs/fy06osti/39682.pdf〉.
4. BrightSource Energy, 2008. 〈http://www.brightsourceenergy.com/〉.
5. Bullough, C., Gatzen, C., Jakiel, C., Koller, M., Nowi, A., Zunft, S., 2005. Advanced adiabatic compressed air energy storage for the integration of wind energy. In: Proceedings of the European Wind Energy Conference, EWEC 2004, 22–25 November 2004, London, UK.