Since the beginning of the XXI century, humanity has entered in a period of global energy challenges. Energy occupies a strong place in global challenges. The biggest issue is represented by meeting the growing demand for energy and the impact of energy on nature and resources in the interest of achieving sustainable development. Energy challenges require the development of energy policy and the sharing of advanced experience and technologies. Longterm energy forecast - is a strong task that has been facing researchers for some time. Recent events increase the uncertainty of energy development, creating demand for new treatments in the foresight of the energy future. Presently, almost all world analytical centers have presented their vision of the long-term energy future by 2030 and 2050. The investigation aims to investigate and eliminate the misbalances and foster economic and political thinking towards a global energy dialogue.