Todays, attention to renewable energies and decrease the use of fossil fuels is priority for countries. With the help of economics criteria, studied Economic evaluation of projects and then several financing scenarios are reviewed for these projects based on levelising the cost. In economic evaluation, both wind projects were economical, and based on the four scenarios in this study that include feed in tariff, Investments, R&D, and revenue-to-expenditure ratios for decrease emissions, the best scenario is based on reduction in the levelising cost is associated to the financial instrument of production or feed in tariff. To determine the most appropriate financial channels we used The AHP hierarchical approach which Based on that he best channels are obtained by foreign monetary institutions, foreign finance, stock exchange, National Development Fund, Bank and Pension Fund.