References
- AWEA . 2007 . Wind Power Outlook 2007 May 2007
- NREL . 2007 . Presentation on “The National Wind Collaborative—Draft Results.” February 19, 2007
- DOE . 2007 . “ Wind Vision Report—DRAFT ” . In Chapter 3: Technology Required to Achieve 20% Wind Energy May 2007
- DOE . 2008 . 20% Wind Energy by 2030, Increasing Wind Energy's Contribution to U.S. Electricity Supply , Washington, DC : U.S. Department of Energy . DOE/GO-102008-2567. May 2008