1. Atlas of global wave energy from 10 years of reanalysis and hindcast data;Arinaga;Renew Energy,2012
2. Current developments and future prospects of off shore wind and ocean energy;Esteban;Appl Energy,2011
3. Bonneville Power Administration, 2015. Website: www.bpa.gov. Wind and load data are available at: http://transmission.bpa.gov/Business/Operations/Wind/ Maps of the wind farms are available at: http://www.bpa.gov/transmission/Projects/wind-projects/Documents/bpa-wind-map.pdf and at http://www.bpa.gov/transmission/Projects/wind-projects/Pages/default.aspx.
4. University of Oregon, Solar Radiation Laboratory, 2015. http://solardata.uoregon.edu.
5. Mapping and assessment of the United States ocean wave energy resource;Electric Power Research Institute (EPRI),2011