Generating power from waste materials is an innovative and increasingly essential solution to both global energy demands and growing environmental concerns. This process, known as Waste-to-Energy (WtE), converts various types of waste—municipal solid waste, industrial refuse, agricultural residues, and even sewage—into usable energy through methods such as incineration, gasification, anaerobic digestion, and landfill gas recovery. These processes produce electricity, heat, or fuels like biogas, thereby transforming what would otherwise be an environmental burden into a valuable energy source. The advantages of WtE are substantial. It reduces the volume of waste that ends up in landfills, mitigates methane emissions, lowers dependence on fossil fuels, and provides a consistent, local energy supply. Additionally, it supports the circular economy model by recovering energy from materials that are otherwise difficult to recycle. Pioneer countries like Sweden, Germany, Japan, and the Netherlands have successfully implemented WtE technologies, integrating them into their national waste and energy management systems. However, there are disadvantages. High capital costs, air pollution from incineration, and complex waste sorting requirements can be significant hurdles. Environmental concerns arise from emissions of dioxins and other pollutants, though modern systems have adopted advanced filtering and treatment technologies to minimize these effects. If waste is not used for energy generation, it typically ends up in landfills, where it contributes to land degradation, groundwater contamination, and greenhouse gas emissions. Alternative waste usage includes composting, recycling, and producing construction materials from waste. Each method has its merits and limitations, but WtE offers a powerful complement to these strategies, especially in regions with limited landfill space or high energy demands. In conclusion, generating power from waste materials is a practical and sustainable approach that aligns environmental stewardship with energy security, offering a crucial pathway for countries striving toward a greener future.