E nergy, which can be defined as the ability to do work in its basic form, is in an indispensable position to sustain human life, meet their needs, and increase the quality of life. Over time, there is a serious increase in the total energy consumed in the world due to many reasons such as the increase in the human population, changes in people's lifestyle, increase in production, and technological developments. Energy production should be increased in order to meet the energy needs. Approximately 80% of the energy produced in the world is produced in power plants where natural gas and coal are used as the main energy source [1]. It is thought that toxic gases such as carbon, sulfur, heavy metals mixed into the soil and many other wastes released into the atmosphere during energy production from these limited fossil resources on earth will have negative effects on nature and living things over the years. Renewable energy sources, especially solar energy, are seen as an important alternative here. Because the sun sends more than the energy consumed in the world as clean energy every day. Solar energy has gained a place as a serious choice with its advantages such as very low operating and maintenance costs and being the most Article History:
Global energy crises, limited energy resources and damage to nature in energy production have pushed humanity to use energy more efficiently and renewable energy sources. In this context, the importance of implementing energy efficiency and sustainable strategies in buildings which consumes high energy, has increased. In this study, the effect of luminaires substition with more efficient ones and electricity production by renewable energy sources on efficiency, sustainability and environment was examined on a sample education building.The calculations were made according to standards and equipment supplier data. As a result of this study, it has been found that the use of high-efficiency LED lighting instead of halogen or fluorescence luminaires in the engineering faculty building and laboratory of Hitit University, will reduce the electricity consumption by 68.2%. In addition, it has been deduced that the solar energy system to be installed on the faculty’s roof, will significantly reduce CO2 emission, and has a payback period of 5.5 years. In terms of gas emissions, a roof-mounted solar energy system is 21, 45, and 32 times less hazardous to the environment than natural gas, lignite, and fuel oil, respectively.
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