The multiobjective optimization (MOO) software package of modeFrontier has recently become popular within industries, academics and research communities. Today, universities as well as research institutes are using modeFrontier optimization toolboxes for teaching and research proposes around the world. One of the reason behind the popularity of the package, is the way it utilizes the available resources in an efficient and integrated manner and providing multidimensional post-processing tools. The user-friendly design optimization environment of modeFrontier integrates various optimization methods with the major computer aided engineering codes and commercial numerical analysis tools. Among the wide range of applications of modeFrontier, the energy sector, particularly, has been highly benefiting from the advancements in design optimization. This article presents the state of the art survey of the novel applications of modeFrontier in this realm.