In recent years, there has been significant interest in renewable energy sources, such as solar and wind energy, as sustainable and environmentally friendly alternatives to fossil fuels. The efficiency of these sources play a crucial role in determining their viability as replacements for the traditional energy sources. This review aims to investigate the efficiency of solar and wind energy, considering their current utilization, technological advancements, and future prospects. The analysis also assesses the financial and ecological implications of renewable energy and explores potential strategies for enhancing its efficiency. The findings of this study will contribute to future efforts to establish a sustainable and environmentally conscious energy landscape.