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The Wind Power Production Incentive, or WPPI, was a program of the Canadian Government that promoted the generation of electricity from wind power in Canada to reduce the amount of greenhouse gas that would otherwise enter the atmosphere from burning fossil fuels. 〔 http://www.iea.org/textbase/pm/?mode=re&action=detail&id=846 IEA Global Renewable Energy Policies, retrieved 2010 Nov 23 〕 The government paid about half the excess cost of producing electricity from wind, compared to conventional sources, for the first 10 years of a project. The Canadian WPPI Program started in 2002 and ended on 31 March, 2007 after a change of government. A different program partly replaced it. A wind farm costs about the same to build per watt of nameplate capacity as a coal-fired power station of similar rating, but the economies of scale are fewer for a wind farm due to the lower quantity of power produced over the life of a station. Depending on location, wind farms may produce nearly full power output only about 28% of the time, whereas a base-loaded coal-fired station runs at full output more than 85% of the time. The WPPI provided a direct subsidy per kilowatthour of wind energy produced, from 1.2 cents down to 0.8 cents depending on the startup date of a project. Measures were taken to distribute the incentive across the country. The total estimated cost of the program was (CDN) $260 million. An internal audit in 2006 observed that capacity factors were overestimated by applicants, so less capacity was actually supplied than intended. 〔http://www.nrcan.gc.ca/audit/reprap/2006/a06004-eng.php Audit 2006 〕 ==References== 〔 * (Environment News Service ''Big Production Incentive Energizes Canada's Wind Industry'', retrieved 2010 Nov 23 ) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Wind Power Production Incentive」の詳細全文を読む スポンサード リンク
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