Renewable Energy in Thanjavur Sri Saravanas Agencies Renewable energy refers to energy derived from natural sources that replenish themselves at a higher rate than they are consumed. Major Type of Renewable Energy is Solar Energy: How it works: Harnesses sunlight using photovoltaic (PV) panels to convert light directly into electricity, or through solar thermal systems to generate heat. Advantages: Abundant, versatile (can be used for electricity, heating, cooling), rapidly decreasing costs, suitable for both large-scale and residential applications. Considerations: Intermittent (depends on sunshine), requires storage solutions for continuous power.