1. AWEA, 2010. U.S. Wind Energy Projects Database, American Wind Energy Association. 〈http://archive.awea.org/projects/〉.
2. Barbose, G., 2012. Electricity Markets and Policy Group at Lawrence Berkeley National Laboratory. Personal communications.
3. The renewable portfolio standard: design considerations and an implementation survey;Berry;Energy Policy,2001
4. Brower, M., Corbus, D., 2010. Development of Eastern Regional Wind Resource and Wind Plant Output Datasets, NREL. 〈http://www.nrel.gov/docs/fy10osti/46764.pdf〉, SR-550-46764.
5. California Public Utilities Commission, 2012. Renewables Portfolio Standard Quarterly Report. 〈http://www.cpuc.ca.gov/NR/rdonlyres/3B3FE98B-D833-428A-B606-47C9B64B7A89/0/Q4RPSReporttotheLegislatureFINAL3.pdf〉.