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This chapter aims to identify new perspectives of geothermal energy investments. For this purpose, all studies in the Web of Science regarding the geothermal energy are taken into consideration. These studies are evaluated with the help of text-mining approach. In this framework, most frequently stated words, two words, and three words are identified. It is concluded that technological development with respect to the geothermal energy is an important issue in this framework. After that, it is also determined that risk is another important factor in this regard. Finally, new implications regarding the geothermal energy are also considered by the researchers. Geothermal energy has a positive contribution to solve many different problems, such as energy dependency, current account deficit problem, and carbon emission. Hence, this study generated the significant issues to improve these investments. While considering the results, it is understood that technological developments related to the geothermal energy projects should be followed effectively. In addition, an effective risk evaluation should be conducted before implementing these projects.

Today, the demand for renewable energy investments is increasing due to the increase in the world population and the rapid depletion of resources. Renewable energy investments are seen as an area that requires more technical knowledge and experience than nonrenewable energy investments. For this reason, qualified workforce is important in this field. The aim of our study is to reveal the criteria by which renewable energy investments are effective on qualified labor supply. According to the results of our study, in which the analytic hierarchy process method was used, the criterion with the highest weight was determined as “harmonizing universities with undergraduate and graduate level education and internship opportunities.” When this criterion is taken into account, the implementation of policies toward university education in this field together with the renewable energy investments of the countries will positively affect the qualified labor supply.