Jurnal Teknik Energi, Volume 13, Issue 2, November 2024, contains 6 scientific articles from two different universities. Each of these articles discusses the development of technologies that can enhance the effectiveness of organic waste management, a study of the electricity consumption profile in a building followed by the formulation of conservation efforts and efficiency improvements, as well as the development of energy conversion technologies related to the utilization of renewable primary energy sources, such as a study on the use of cooling water from geothermal power plants, a study on selecting the appropriate technology for cooling systems in hydro power plants, and the development of wind and solar energy conversion technologies.