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Energy for social development plays an important role, since the 19th century, mankind’s excessive use of fossil energy, resulting in a sharp reduction of fossil resources while continuing to enlarge greenhouse, global warming become a consensus. Wind energy resources is a clean, renewable energy, can be a good solution as a result of depletion of fossil resources, energy supply bottlenecks, but also conducive to environmental protection, consistent with sustainable development.To accelerate efforts to develop wind power and speed of wind power projects must be carried out technical and economic analysis, which in theory on the strong development of wind power projects to support. This article is 49.5MW Wind Farm, Xinjiang Altay project as the carrier, on the wind farm project from the wind resource analysis, fan arrangement, power generation estimates, geological evaluation, budget preparation, various aspects of economic evaluation carried out a detailed study through technical and economic analysis of the project, demonstrated the feasibility of the project.Altay 49.5MW wind project sites in the area of Xinjiang, one of nine wind Irtysh River Valley Scenic Area, located in the Altai Mountains and Sawuer valley between mountains, sand according to Canton Mountain piedmont alluvial fan on, is the cold air into the channel in Xinjiang, mainly due to the formation of wind energy resources, "the narrow tube effect." Wind energy resources are very rich field area without adverse geological conditions, suitable for building large wind farms.The results show that wind power in the factory 118 600 000 kW.h, equivalent full load hours for the 2396h. Construction of only 1 year. The wind farm project as part of the static total investment of 432.19 million yuan, construction period interest 10.27 million yuan, total investment is 442.46 million yuan, total capital investment of 20% of the total investment of financial internal rate of return 9.04%, the project capital Kim financial internal rate of return 17.21%, investment recovery period 9.74 years; financial net present value of 62.3193 million yuan total investment, capital of the financial net present value of 85.0533 million yuan; total investment return (ROI) 6.88%, investment profit and tax rate of 4.86 %, 19.16% of capital profits. The project has good profitability. Altay 49.5MW wind farm on the project feasibility study, the better wind farm project at this stage that the technical and economic indicators superior technology is mature, with a large-scale development of the condition.
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