Renewable energy research focuses on finding and developing methods to generate electricity, heat, and fuel from sustainable sources that can be replenished naturally. This includes solar, wind, geothermal, hydroelectric, and biomass energy sources. The goal of renewable energy research is to reduce reliance on fossil fuels and mitigate the negative environmental impacts associated with their extraction and use. Researchers in this field study various aspects of renewable energy technologies, such as improving efficiency, reducing costs, and addressing challenges related to energy storage and grid integration. Overall, renewable energy research plays a crucial role in transitioning towards a more sustainable and environmentally friendly energy system.