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Eleventh Five-Year period, China wind power capacity from 1,265,900 to 42,287,000 kW grow kW, the average annual growth rate of over 100% ; 2010 additions, cumulative installed capacity volume ranks first in the world , including the world's total installed capacity was added in 2010 additional 46.1% of the total installed capacity . Rapid expansion project at the same time , how to choose the right quality investment opportunities to achieve profitability, wind power companies to become major problems currently facing . August 1, 2009 , the State divided the country into four wind power tariff areas, so that the expected return on investment enterprises clearer . In this context, the proposed tariff within different boundary conditions for the profitability of the project to guide enterprises to avoid blind investment are of great significance. The main research tasks: ( 1 ) presents impact of wind power projects revenues of the main factors , namely full fat number of hours per kW investment , unit prices and long-term lending rates ; ( 2 ) systematic analysis of China 120 actual operation of the wind power project feasibility reported data , to identify these factors on the impact of wind power projects income level ; ( 3 ) to establish a wind power project technical and economic calculation model and the preparation of the corresponding calculation software, quantitative estimation of the region out of the four main factors tariff for wind power project benefits the degree of influence , and to find the wind power projects profitable boundary conditions . The main conclusions : Ⅰ class tariff zone resources, although the best, but not all investment projects earnings are good. To wind power project capital gains above 8% , Ⅰ class tariff area full number of hours required to send more than 2200h , Ⅱ type tariff area full number of hours required to send more than 2100h , Ⅲ class tariff area full number of hours you want to send more than 1900h , Ⅳ class tariff area full of hair above number of hours required to 1800h . For resource better Ⅰ, Ⅱ class tariff area, in order to obtain better returns , need to focus on the control from the investment ; For relatively poor resources Ⅲ, Ⅳ class tariff area , because of the investment is relatively insensitive , while generating capacity the sensitivity of a larger perspective should begin to improve power generation , improve project profitability.
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