✴ Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat. Renewable energy often provides energy in four important areas: electricity generation, air and water heating/cooling, transportation, and rural (off-grid) energy services.✴ ► This App is meant for all those readers who want to learn the basic concepts of renewable energy, its sources, production, and utilization.✦ 【Topics Covered in this App are Listed Below】 ⇢ Introduction ⇢ Photovoltaic Effect ⇢ Developing a Solar Panel ⇢ Cell Efficiency ⇢ Types of Photovoltaics ⇢ Energy Extraction ⇢ Geophysics ⇢ Turbine Types ⇢ Hydroelectric Systems ⇢ Hydraulic Ram Pump ⇢ Basic Theory ⇢ Wind Turbine Types ⇢ Biomass Production