Renewable energy systems encompass solar, wind, hydro, geothermal, and biomass technologies that deliver sustainable power without depleting natural resources. This highlight focuses on the design, performance, and integration of renewable energy into national and regional power grids. Studies include grid stability, hybrid renewable systems, and advancements in turbine and panel efficiency. Research also examines policy frameworks, cost reduction strategies, and large-scale deployment models. As energy demand rises, renewable systems play a crucial role in mitigating greenhouse gas emissions and reducing reliance on conventional fuels. The journal emphasizes breakthroughs that strengthen global renewable adoption.