The development and use of renewable energy is the undeniable necessity of societies to achieve sustainable development and economic-environmental goals. Considering Iran's strategic position and the possibility of exploiting all kinds of sustainable energy sources, the above research seeks to investigate and provide strategies to reduce the obstacles to the development of renewable energy in conditions of uncertainty. In the qualitative part, after identifying the obstacles and strategies to reduce those obstacles in the direction of the development of renewable energy, customization of options has been done through interviews with experts. The quantitative part in the first step includes the use of the Best-Worst Method for weighting the obstacles, and the second step of the quantitative method includes the ranking of strategies with the grey TOPSIS technique. Based on the results of adjusting the structures, trade and foreign direct investment and the allocation of subsidies and tax support are of higher priority to reduce the political-legal, industrial, etc. obstacles.